Document and Entity Information - shares	3 Months Ended
Document and Entity Information - shares	Mar. 31, 2016	May. 03, 2016
Document and Entity Information [Abstract]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Mar. 31, 2016
Document Fiscal Year Focus	2016
Document Fiscal Period Focus	Q1
Trading Symbol	MHLD
Entity Registrant Name	Maiden Holdings, Ltd.
Entity Central Index Key	0001412100
Current Fiscal Year End Data	--12-31
Entity Filer Category	Large Accelerated Filer
Entity Common Stock, Shares Outstanding		73,992,275

CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
ASSETS
Fixed maturities, available-for-sale, at fair value (amortized cost 2016: $3,657,447; 2015: $3,562,864)	$ 3,705,631	$ 3,508,088
Fixed maturities, held-to-maturity, at amortized cost (fair value 2016: $620,327; 2015: $598,975)	607,170	607,843
Other investments, at fair value (cost 2016: $10,619; 2015: $10,816)	13,065	11,812
Total investments	4,325,866	4,127,743
Cash and cash equivalents	85,240	89,641
Restricted cash and cash equivalents	145,501	242,859
Accrued investment income	33,775	32,288
Reinsurance balances receivable, net (includes $263,751 and $147,365 from related parties in 2016 and 2015, respectively)	598,302	377,318
Reinsurance recoverable on unpaid losses (includes $1,694 and $2,177 from related parties in 2016 and 2015, respectively)	83,515	71,248
Loan to related party	167,975	167,975
Deferred commission and other acquisition expenses, net (includes $369,039 and $341,025 from related parties in 2016 and 2015, respectively)	446,122	397,548
Goodwill and intangible assets, net	81,388	81,920
Other assets	151,989	115,038
Total assets	6,119,673	5,703,578
LIABILITIES
Reserve for loss and loss adjustment expenses (includes $1,495,788 and $1,443,639 from related parties in 2016 and 2015, respectively)	2,572,405	2,510,101
Unearned premiums (includes $1,165,078 and $1,077,460 from related parties in 2016 and 2015, respectively)	1,571,350	1,354,572
Accrued expenses and other liabilities	165,616	139,873
Senior notes
Principal amount	360,000	360,000
Less unamortized debt issuance costs	9,973	10,067
Senior notes, net	350,027	349,933
Total liabilities	$ 4,659,398	$ 4,354,479
Commitments and Contingencies
EQUITY
Preference shares	$ 480,000	$ 480,000
Common shares ($0.01 par value: 75,042,178 and 74,735,785 shares issued in 2016 and 2015, respectively; 73,992,275 and 73,721,140 shares outstanding in 2016 and 2015, respectively)	750	747
Additional paid-in capital	580,779	579,178
Accumulated other comprehensive income (loss)	69,470	(23,767)
Retained earnings	333,035	316,184
Treasury shares, at cost (1,049,903 and 1,014,645 shares in 2016 and 2015, respectively)	(4,991)	(4,521)
Total Maiden shareholders’ equity	1,459,043	1,347,821
Noncontrolling interest in subsidiaries	1,232	1,278
Total equity	1,460,275	1,349,099
Total liabilities and equity	$ 6,119,673	$ 5,703,578

CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Fixed Maturities, available-for-sale, Amortized cost	$ 3,657,447	$ 3,562,864
Fixed Maturities, held-to-maturity, Fair Value	620,327	598,975
Other Investments, Cost	10,619	10,816
Reinsurance balance receivable, net	598,302	377,318
Reinsurance recoverable on unpaid losses	83,515	71,248
Deferred commissions and other acquisition expenses	446,122	397,548
Reserve for loss and loss adjustment expenses	2,572,405	2,510,101
Unearned premiums	$ 1,571,350	$ 1,354,572
Common shares, par value (in USD per share)	$ 0.01	$ 0.01
Common shares, shares issued	75,042,178	74,735,785
Common shares, shares outstanding	73,992,275	73,721,140
Treasury shares, shares	1,049,903	1,014,645
Related Party Transactions
Reinsurance balance receivable, net	$ 263,751	$ 147,365
Reinsurance recoverable on unpaid losses	1,694	2,177
Deferred commissions and other acquisition expenses	369,039	341,025
Reserve for loss and loss adjustment expenses	1,495,788	1,443,639
Unearned premiums	$ 1,165,078	$ 1,077,460

CONDENSED CONSOLIDATED STATEMENTS OF INCOME (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Revenues:
Gross premiums written	$ 864,114	$ 834,266
Net premiums written	792,831	796,983
Change in unearned premiums	(176,822)	(219,664)
Net premiums earned	616,009	577,319
Other insurance revenue	4,826	4,979
Net investment income	36,302	28,260
Net realized gains on investment	2,277	869
Total revenues	659,414	611,427
Expenses:
Net loss and loss adjustment expenses	403,621	377,406
Commission and other acquisition expenses	195,068	178,342
General and administrative expenses	15,496	16,197
Interest and amortization expenses	7,265	7,264
Amortization of intangible assets	615	710
Foreign exchange and other gains	(267)	(7,826)
Total expenses	621,798	572,093
Income before income taxes	37,616	39,334
Income tax expense	787	800
Net income	36,829	38,534
Loss (income) attributable to noncontrolling interest	64	(45)
Net income attributable to Maiden shareholders	36,893	38,489
Dividends on preference shares	(9,677)	(6,084)
Net income attributable to Maiden common shareholders	$ 27,216	$ 32,405
Basic earnings per share attributable to Maiden common shareholders (in dollars per share)	$ 0.37	$ 0.44
Diluted earnings per share attributable to Maiden common shareholders (in dollars per share)	0.35	0.41
Dividends declared per common share (in dollars per share)	$ 0.14	$ 0.13

CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Comprehensive income:
Net income	$ 36,829	$ 38,534
Other comprehensive income, before tax
Net unrealized holding gains (losses) on available-for-sale fixed maturities arising during the period	103,404	(6,941)
Adjustment for reclassification of net realized losses recognized in net income	632	149
Foreign currency translation adjustment	(10,734)	18,935
Other comprehensive income, before tax	93,302	12,143
Income tax (expense) benefit related to components of other comprehensive income	(36)	7
Other comprehensive income, after tax	93,266	12,150
Comprehensive income	130,095	50,684
Net loss (income) attributable to noncontrolling interest	64	(45)
Other comprehensive (income) loss attributable to noncontrolling interest	(29)	55
Comprehensive loss attributable to noncontrolling interest	35	10
Comprehensive income attributable to Maiden shareholders	$ 130,130	$ 50,694

CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY (Unaudited) - USD ($) $ in Thousands	Total	Preference shares [Member]	Common shares [Member]	Additional paid-in capital [Member]	Accumulated other comprehensive income [Member]	Retained earnings [Member]	Treasury shares [Member]	Noncontrolling interest in subsidiaries [Member]
Beginning balance at Dec. 31, 2014		$ 315,000	$ 739	$ 578,445	$ 95,293	$ 255,084	$ (3,867)	$ 472
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Exercise of options and issuance of common shares			5	1,316
Share-based compensation expense				716
Change in net unrealized gains (losses) on investments, net of reclassification adjustment and deferred income tax expense					(6,785)
Foreign currency translation adjustments					18,990			(55)
Net income attributable to Maiden shareholders	$ 38,489					38,489
Dividends on preference shares						(6,084)
Dividends on common shares						(9,551)
Shares repurchased for treasury							(654)
Dividend paid to noncontrolling interest								(13)
(Loss) income attributable to noncontrolling interest	(45)							45
Ending balance at Mar. 31, 2015	1,277,585	315,000	744	580,477	107,498	277,938	(4,521)	449
Beginning balance at Dec. 31, 2015	1,349,099	480,000	747	579,178	(23,767)	316,184	(4,521)	1,278
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Exercise of options and issuance of common shares			3	345
Share-based compensation expense				1,256
Change in net unrealized gains (losses) on investments, net of reclassification adjustment and deferred income tax expense					104,000
Foreign currency translation adjustments					(10,763)			29
Net income attributable to Maiden shareholders	36,893					36,893
Dividends on preference shares						(9,677)
Dividends on common shares						(10,365)
Shares repurchased for treasury							(470)
Dividend paid to noncontrolling interest								(11)
(Loss) income attributable to noncontrolling interest	64							(64)
Ending balance at Mar. 31, 2016	$ 1,460,275	$ 480,000	$ 750	$ 580,779	$ 69,470	$ 333,035	$ (4,991)	$ 1,232

CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Cash flows from operating activities:
Net income	$ 36,829	$ 38,534
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	4,780	4,000
Net realized gains on investment	(2,277)	(869)
Foreign exchange and other gains	(267)	(7,826)
Changes in assets – (increase) decrease:
Reinsurance balances receivable, net	(218,880)	(131,943)
Reinsurance recoverable on unpaid losses	(12,392)	(3,471)
Accrued investment income	(1,373)	1,390
Deferred commission and other acquisition expenses	(44,002)	(59,701)
Other assets	(35,609)	(20,898)
Changes in liabilities – increase (decrease):
Reserve for loss and loss adjustment expenses	54,846	95,458
Unearned premiums	203,281	237,879
Accrued expenses and other liabilities	24,068	17,856
Net cash provided by operating activities	9,004	170,409
Cash flows from investing activities:
Purchases of fixed maturities – available-for-sale	(268,661)	(115,992)
Purchases of other investments	(46)	(97)
Proceeds from sales of fixed maturities – available-for-sale	67,837	56,639
Proceeds from maturities and calls of fixed maturities	106,168	158,078
Proceeds from redemption of other investments	307	29
Decrease (increase) in restricted cash and cash equivalents, net	97,701	(191,903)
Other, net	(178)	(240)
Net cash provided by (used in) investing activities	3,128	(93,486)
Cash flows from financing activities:
Common share issuance	348	1,321
Repurchase of common shares	(470)	(654)
Dividends paid to common shareholders	(10,328)	(9,492)
Dividends paid to preference shareholders	(9,677)	(6,084)
Net cash used in financing activities	(20,127)	(14,909)
Effect of exchange rate changes on foreign currency cash	3,594	(2,012)
Net (decrease) increase in cash and cash equivalents	(4,401)	60,002
Cash and cash equivalents, beginning of period	89,641	108,119
Cash and cash equivalents, end of period	$ 85,240	$ 168,121

Basis of Presentation	3 Months Ended
Basis of Presentation	Mar. 31, 2016
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Basis of Presentation	Basis of Presentation The accompanying unaudited Condensed Consolidated Financial Statements include the accounts of Maiden Holdings, Ltd. and its subsidiaries (the "Company" or "Maiden") and have been prepared in accordance with generally accepted accounting principles in the United States ("GAAP" or "U.S. GAAP") for interim financial statements and with the instructions to Form 10-Q and Article 10 of Regulation S-X as promulgated by the U.S. Securities and Exchange Commission ("SEC"). Accordingly, they do not include all of the information and footnotes required by GAAP for complete financial statements. All significant inter-company transactions and accounts have been eliminated. These interim unaudited Condensed Consolidated Financial Statements reflect all adjustments that are, in the opinion of management, necessary for a fair presentation of the results for the interim period and all such adjustments are of a normal recurring nature. The results of operations for the interim period are not necessarily indicative, if annualized, of those to be expected for the full year. The preparation of financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the amounts reported in the financial statements and accompanying notes. Actual results could differ from those estimates. These unaudited Condensed Consolidated Financial Statements, including these notes, should be read in conjunction with the Company's audited Consolidated Financial Statements, and related notes thereto, included in the Company's Annual Report on Form 10-K for the year ended December 31, 2015. Certain reclassifications have been made for 2015 to conform to the 2016 presentation and have no impact on net income and total equity previously reported.

Significant Accounting Policies	3 Months Ended
Significant Accounting Policies	Mar. 31, 2016
Accounting Policies [Abstract]
Significant Accounting Policies	Significant Accounting Policies There have been no material changes to our significant accounting policies as described in our Annual Report on Form 10-K for the year ended December 31, 2015 with the exception of the following: Transition related to Accounting Standards Update ("ASU") No. 2015-03: Simplifying the Presentation of Debt Issuance Costs Effective January 1, 2016, the Company adopted the new guidance under ASU 2015-03 which requires that debt issuance costs be presented as a direct deduction from the related debt liability rather than as an asset in the balance sheet. The amortization of such costs is reported as an interest expense. The Company applied this new guidance retrospectively to all prior periods presented. The adoption of this new guidance reduced the December 31, 2015 audited consolidated total assets and total liabilities by $10,067, respectively, representing the amount of unamortized issuance costs related to our Senior Notes which was previously presented as part of other assets. There was no impact on the net income, related per-share amounts or the retained earnings for the periods affected by the adoption of this guidance. Recently Issued Accounting Standards Not Yet Adopted Disclosures about Short-Duration Contracts In May 2015, the Financial Accounting Standards Board ("FASB") issued ASU 2015-09 which is aimed at providing users of financial statements with more transparent information about an insurance entity’s initial claim estimates and subsequent adjustments to those estimates, methodologies and judgments in estimating claims, and the timing, frequency and severity of claims. The new disclosures are required for short-duration insurance contracts issued by insurers. For public business entities, this guidance will be effective for annual periods beginning after December 15, 2015, and interim periods within annual periods beginning after December 15, 2016. Early adoption is permitted and should be applied retrospectively by providing comparative disclosures for each period presented. As this guidance is disclosure-related only, the adoption of this guidance is not expected to have a material impact on the Company’s statements of operations and financial position. Recognition and Measurement of Financial Assets and Financial Liabilities In January 2016, the FASB issued ASU 2016-01 that will change how entities measure certain equity investments and present changes in the fair value of financial liabilities measured under the fair value option that are attributable to their own credit. The new guidance also changes certain disclosure requirements and other aspects of current U.S. GAAP. It does not change the guidance for classifying and measuring investments in debt securities and loans. Under the new guidance, entities will have to measure many equity investments at fair value and recognize any changes in fair value in net income unless the investments qualify for the new practicability exception. This includes investments in partnerships, unincorporated joint ventures and limited liability companies that do not result in consolidation and are not accounted for under the equity method. Entities will no longer be able to recognize unrealized holding gains and losses on equity securities they classify today as available for sale ("AFS") in AOCI. They also will no longer be able to use the cost method of accounting for equity securities that do not have readily determinable fair values. The guidance is effective for annual periods beginning after December 15, 2017, including interim periods within those fiscal years. The Company is evaluating the impact of this new guidance on its consolidated results of operations and financial condition. 2. Significant Accounting Policies (continued) Accounting for Leases In February 2016, the FASB issued final Accounting Standards Codification ("ASC") 842 guidance that requires lessees to put most leases on their balance sheets but recognize expenses on their income statement in a manner similar to today's accounting. The guidance also eliminates today's real-estate-specific provisions for all entities. All entities classify leases to determine how to recognize lease-related revenue and expense. The U.S. GAAP standard is effective for public business entities and certain not-for-profit entities and employee benefit plans for annual periods beginning after December 15, 2018, and interim periods within those years. Early adoption is permitted for all entities. The Company is evaluating the impact of this new guidance on its consolidated results of operations and financial condition. Improvements to Employee Share-Based Payment Accounting In March 2016, the FASB issued ASU 2016-09 guidance that outlines changes for certain aspects of share-based payments to employees, such as accounting for forfeitures, which applies to the Company. Under the new guidance, the entities can elect to either estimate the number of awards that are expected to vest or account for forfeitures when they occur. The guidance is effective for public business entities for fiscal year beginning after December 15, 2016, and interim periods within those fiscal years. Early adoption is permitted for all entities, in any annual or interim period for which financial statements haven't been issued or made available for issuance, but all of the guidance must be adopted in the same period. The Company is evaluating the impact of this new guidance on its consolidated results of operations and financial condition.

Segment Reporting

3 Months Ended

Mar. 31, 2016

Segment Reporting [Abstract]

Segment Reporting

The Company currently has two reportable segments: Diversified Reinsurance and AmTrust Reinsurance. Our Diversified Reinsurance segment consists of a portfolio of predominantly property and casualty reinsurance business focusing on regional and specialty property and casualty insurance companies located, primarily in the U.S. and Europe. Our AmTrust Reinsurance segment includes all business ceded to Maiden Reinsurance Ltd. ("Maiden Bermuda") from AmTrust Financial Services, Inc. ("AmTrust"), primarily the AmTrust Quota Share and the European Hospital Liability Quota Share. Please refer to "Note 6. Related Party Transactions" for additional information. In addition to our reportable segments, the results of operations of the former NGHC Quota Share segment and the remnants of the U.S. excess and surplus business have been included in the "Other" category.

The Company evaluates segment performance based on segment profit separately from the results of our investment portfolio. General and administrative expenses are allocated to the segments on an actual basis except salaries and benefits where management’s judgment is applied. The Company does not allocate general corporate expenses to the segments. In determining total assets by reportable segment, the Company identifies those assets that are attributable to a particular segment such as reinsurance balances receivable, reinsurance recoverable on unpaid losses, deferred commission and other acquisition expenses, loans, goodwill and intangible assets, restricted cash and cash equivalents and investments and prepaid reinsurance premiums. All remaining assets are allocated to Corporate.

The following tables summarize our reporting segment's underwriting results and the reconciliation of our reportable segments and Other category's underwriting results to our consolidated net income:

3. Segment Reporting (continued)



For the Three Months Ended March 31, 2016	Diversified Reinsurance			AmTrust Reinsurance			Other			Total
Gross premiums written	$	315,804		$	548,310		$	—		$	864,114
Net premiums written	$	286,136		$	506,695		$	—		$	792,831
Net premiums earned	$	172,256		$	443,753		$	—		$	616,009
Other insurance revenue	4,826			—			—			4,826
Net loss and loss adjustment expenses ("LAE")	(119,076		)	(281,774		)	(2,771		)	(403,621		)
Commission and other acquisition expenses	(54,531		)	(140,538		)	1			(195,068		)
General and administrative expenses	(8,600		)	(586		)	—			(9,186		)
Underwriting income (loss)	$	(5,125	)	$	20,855		$	(2,770	)	$	12,960
Reconciliation to net income
Net investment income and realized gains on investment										38,579
Interest and amortization expenses										(7,265		)
Amortization of intangible assets										(615		)
Foreign exchange and other gains										267
Other general and administrative expenses										(6,310		)
Income tax expense										(787		)
Net income										$	36,829

Net loss and LAE ratio ⁽¹⁾	67.2		%	63.5		%				65.0		%
Commission and other acquisition expense ratio ⁽²⁾	30.8		%	31.7		%				31.4		%
General and administrative expense ratio⁽³⁾	4.9		%	0.1		%				2.5		%
Combined ratio⁽⁴⁾	102.9		%	95.3		%				98.9		%

3. Segment Reporting (continued)



For the Three Months Ended March 31, 2015	Diversified Reinsurance			AmTrust Reinsurance			Other			Total
Gross premiums written	$	305,341		$	528,926		$	(1	)	$	834,266
Net premiums written	$	294,198		$	502,784		$	1		$	796,983
Net premiums earned	$	192,684		$	384,633		$	2		$	577,319
Other insurance revenue	4,979			—			—			4,979
Net loss and LAE	(132,386		)	(243,094		)	(1,926		)	(377,406		)
Commission and other acquisition expenses	(58,206		)	(120,136		)	—			(178,342		)
General and administrative expenses	(9,320		)	(747		)	—			(10,067		)
Underwriting income (loss)	$	(2,249	)	$	20,656		$	(1,924	)	$	16,483
Reconciliation to net income
Net investment income and realized gains on investment										29,129
Interest and amortization expenses										(7,264		)
Amortization of intangible assets										(710		)
Foreign exchange and other gains										7,826
Other general and administrative expenses										(6,130		)
Income tax expense										(800		)
Net income										$	38,534

Net loss and LAE ratio ⁽¹⁾	67.0		%	63.2		%				64.8		%
Commission and other acquisition expense ratio ⁽²⁾	29.4		%	31.2		%				30.6		%
General and administrative expense ratio⁽³⁾	4.7		%	0.2		%				2.8		%
Combined ratio⁽⁴⁾	101.1		%	94.6		%				98.2		%



(1) Calculated by dividing net loss and LAE by net premiums earned and other insurance revenue.
(2) Calculated by dividing commission and other acquisition expenses by net premiums earned and other insurance revenue.
(3) Calculated by dividing general and administrative expenses by net premiums earned and other insurance revenue.
(4) Calculated by adding together the net loss and LAE ratio, commission and other acquisition expense ratio and general and administrative expense ratio.

The following tables summarize the total assets of our reportable segments including the reconciliation to our consolidated assets at March 31, 2016 and December 31, 2015:



March 31, 2016	Diversified Reinsurance		AmTrust Reinsurance		Total
Total assets - reportable segments	$	1,803,795	$	3,491,418	$	5,295,213
Corporate assets	—		—		824,460
Total Assets	$	1,803,795	$	3,491,418	$	6,119,673



December 31, 2015	Diversified Reinsurance		AmTrust Reinsurance		Total
Total assets - reportable segments	$	1,644,541	$	3,178,859	$	4,823,400
Corporate assets	—		—		880,178
Total Assets	$	1,644,541	$	3,178,859	$	5,703,578

3. Segment Reporting (continued)

The following tables set forth financial information relating to net premiums written and earned by major line of business and reportable segment for the three months ended March 31, 2016 and 2015:



For the Three Months Ended March 31,	2016				2015
Net premiums written	Total		% of Total		Total		% of Total
Diversified Reinsurance
Property	$	61,869	7.8	%	$	68,514	8.6	%
Casualty	155,280		19.6	%	171,531		21.5	%
Accident and Health	39,572		5.0	%	30,107		3.8	%
International	29,415		3.7	%	24,046		3.0	%
Total Diversified Reinsurance	286,136		36.1	%	294,198		36.9	%
AmTrust Reinsurance
Small Commercial Business	362,499		45.7	%	323,201		40.5	%
Specialty Program	76,791		9.7	%	74,580		9.4	%
Specialty Risk and Extended Warranty	67,405		8.5	%	105,003		13.2	%
Total AmTrust Reinsurance	506,695		63.9	%	502,784		63.1	%
Other	—		—	%	1		—	%
	$	792,831	100.0	%	$	796,983	100.0	%



For the Three Months Ended March 31,	2016				2015
Net premiums earned	Total		% of Total		Total		% of Total
Diversified Reinsurance
Property	$	32,710	5.3	%	$	40,623	7.0	%
Casualty	100,166		16.3	%	118,938		20.6	%
Accident and Health	17,804		2.9	%	12,201		2.1	%
International	21,576		3.5	%	20,922		3.6	%
Total Diversified Reinsurance	172,256		28.0	%	192,684		33.3	%
AmTrust Reinsurance
Small Commercial Business	264,491		42.9	%	224,991		39.0	%
Specialty Program	84,199		13.7	%	57,010		9.9	%
Specialty Risk and Extended Warranty	95,063		15.4	%	102,632		17.8	%
Total AmTrust Reinsurance	443,753		72.0	%	384,633		66.7	%
Other	—		—	%	2		—	%
	$	616,009	100.0	%	$	577,319	100.0	%

- Definition

The entire disclosure for reporting segments including data and tables. Reportable segments include those that meet any of the following quantitative thresholds a) it's reported revenue, including sales to external customers and intersegment sales or transfers is 10 percent or more of the combined revenue, internal and external, of all operating segments b) the absolute amount of its reported profit or loss is 10 percent or more of the greater, in absolute amount of 1) the combined reported profit of all operating segments that did not report a loss or 2) the combined reported loss of all operating segments that did report a loss c) its assets are 10 percent or more of the combined assets of all operating segments.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 34
-URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e8981-108599

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 41
-URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e9038-108599

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 33
-URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e8971-108599

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 12
-URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e8595-108599

Reference 5: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
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+ Details

Investments

3 Months Ended

Mar. 31, 2016

Schedule of Investments [Abstract]

Investments

(a) Fixed Maturities and Other Investments

The original or amortized cost, estimated fair value and gross unrealized gains and losses of investment in fixed maturities and other investments as of March 31, 2016 and December 31, 2015 are as follows:



March 31, 2016	Original or amortized cost		Gross unrealized gains		Gross unrealized losses			Fair value
AFS fixed maturities:
U.S. treasury bonds	$	5,715	$	365	$	(27	)	$	6,053
U.S. agency bonds – mortgage-backed	1,461,303		33,451		(2,600		)	1,492,154
U.S. agency bonds – other	34,032		525		—			34,557
Non-U.S. government and supranational bonds	36,185		265		(2,962		)	33,488
Asset-backed securities	173,894		4,742		(1,149		)	177,487
Corporate bonds	1,884,135		65,767		(54,374		)	1,895,528
Municipal bonds	62,183		4,181		—			66,364
Total AFS fixed maturities	3,657,447		109,296		(61,112		)	3,705,631
HTM fixed maturities:
Corporate bonds	607,170		19,310		(6,153		)	620,327
Total HTM fixed maturities	607,170		19,310		(6,153		)	620,327
Other investments	10,619		2,446		—			13,065
Total investments	$	4,275,236	$	131,052	$	(67,265	)	$	4,339,023



December 31, 2015	Original or amortized cost		Gross unrealized gains		Gross unrealized losses			Fair value
AFS fixed maturities:
U.S. treasury bonds	$	5,714	$	312	$	(16	)	$	6,010
U.S. agency bonds – mortgage-backed	1,471,782		15,399		(10,190		)	1,476,991
U.S. agency bonds – other	23,734		577		—			24,311
Non-U.S. government and supranational bonds	35,128		—		(4,584		)	30,544
Asset-backed securities	165,719		1,174		(1,089		)	165,804
Corporate bonds	1,798,610		38,070		(97,012		)	1,739,668
Municipal bonds	62,177		2,583		—			64,760
Total AFS fixed maturities	3,562,864		58,115		(112,891		)	3,508,088
HTM fixed maturities:
Corporate bonds	607,843		3,458		(12,326		)	598,975
Total HTM fixed maturities	607,843		3,458		(12,326		)	598,975
Other investments	10,816		1,091		(95		)	11,812
Total investments	$	4,181,523	$	62,664	$	(125,312	)	$	4,118,875

During the third quarter of 2015, we designated fixed maturities with a total fair value of $608,722 as HTM reflecting our intent to hold these securities to maturity. The net unrealized holding gain of $244 at the designation date continues to be reported in the carrying value of the HTM securities and is amortized through Other Comprehensive Income over the remaining life of the securities using the effective interest method in a manner consistent with the amortization of any premium or discount.

The contractual maturities of our fixed maturities are shown below. Actual maturities may differ from contractual maturities because borrowers may have the right to call or repay obligations with or without prepayment penalties.

4. Investments (continued)



	AFS fixed maturities				HTM fixed maturities
March 31, 2016	Amortized cost		Fair value		Amortized cost		Fair value
Maturity
Due in one year or less	$	190,369	$	189,390	$	—	$	—
Due after one year through five years	467,505		473,535		102,001		102,567
Due after five years through ten years	1,326,518		1,332,587		505,169		517,760
Due after ten years	37,858		40,478		—		—
	2,022,250		2,035,990		607,170		620,327
U.S. agency bonds – mortgage-backed	1,461,303		1,492,154		—		—
Asset-backed securities	173,894		177,487		—		—
Total fixed maturities	$	3,657,447	$	3,705,631	$	607,170	$	620,327

The following tables summarize fixed maturities and other investments in an unrealized loss position and the aggregate fair value and gross unrealized loss by length of time the security has continuously been in an unrealized loss position:



	Less than 12 Months					12 Months or more					Total
March 31, 2016	Fair value		Unrealized losses			Fair value		Unrealized losses			Fair value		Unrealized losses
Fixed maturities
U.S. treasury bonds	$	1,106	$	(27	)	$	—	$	—		$	1,106	$	(27	)
U.S. agency bonds – mortgage-backed	2,141		(6		)	145,087		(2,594		)	147,228		(2,600		)
Non–U.S. government and supranational bonds	947		(53		)	28,464		(2,909		)	29,411		(2,962		)
Asset-backed securities	40,630		(1,149		)	—		—			40,630		(1,149		)
Corporate bonds	232,453		(15,687		)	438,728		(44,840		)	671,181		(60,527		)
Total temporarily impaired fixed maturities	277,277		(16,922		)	612,279		(50,343		)	889,556		(67,265		)

As of March 31, 2016, there were approximately 168 securities in an unrealized loss position with a fair value of $889,556 and unrealized losses of $67,265. Of these securities, there are 98 securities that have been in an unrealized loss position for 12 months or greater with a fair value of $612,279 and unrealized losses of $50,343.



	Less than 12 Months					12 Months or more					Total
December 31, 2015	Fair value		Unrealized losses			Fair value		Unrealized losses			Fair value		Unrealized losses
Fixed maturities
U.S treasury bonds	$	1,119	$	(16	)	$	—	$	—		$	1,119	$	(16	)
U.S. agency bonds – mortgage-backed	443,331		(4,113		)	170,053		(6,077		)	613,384		(10,190		)
Non–U.S. government and supranational bonds	6,958		(365		)	22,586		(4,219		)	29,544		(4,584		)
Asset-backed securities	89,838		(1,089		)	—		—			89,838		(1,089		)
Corporate bonds	752,911		(41,352		)	399,779		(67,986		)	1,152,690		(109,338		)
Total temporarily impaired fixed maturities	$	1,294,157	$	(46,935	)	$	592,418	$	(78,282	)	$	1,886,575	$	(125,217	)
Other investments	4,905		(95		)	—		—			4,905		(95		)
Total temporarily impaired fixed maturities and other investments	$	1,299,062	$	(47,030	)	$	592,418	$	(78,282	)	$	1,891,480	$	(125,312	)

4. Investments (continued)

As of December 31, 2015, there were approximately 270 securities in an unrealized loss position with a fair value of $1,891,480 and unrealized losses of $125,312. Of these securities, there are 93 securities that have been in an unrealized loss position for 12 months or greater with a fair value of $592,418 and unrealized losses of $78,282.

Other-Than-Temporary Impairments ("OTTI")

The Company performs quarterly reviews of its investment portfolio in order to determine whether declines in fair value below the amortized cost basis were considered other-than-temporary in accordance with applicable guidance. At March 31, 2016, we have determined that the unrealized losses on fixed maturities were primarily due to widening of credit spreads since their date of purchase. Because we do not intend to sell these securities and it is not more likely than not that we will be required to do so until a recovery of fair value to amortized cost, we currently believe it is probable that we will collect all amounts due according to their respective contractual terms. Therefore, we do not consider these fixed maturities to be other-than-temporarily impaired at March 31, 2016. For the three months ended March 31, 2016 and 2015, the Company recognized no OTTI.

The following summarizes the credit ratings of our fixed maturities:



Ratings* as of March 31, 2016	Amortized cost		Fair value		% of Total fair value
Fixed maturities
U.S. treasury bonds	$	5,715	$	6,053	0.1	%
U.S. agency bonds	1,495,335		1,526,711		35.3	%
AAA	167,508		174,635		4.0	%
AA+, AA, AA-	234,347		243,111		5.6	%
A+, A, A-	1,236,029		1,266,768		29.3	%
BBB+, BBB, BBB-	963,115		967,726		22.4	%
BB+ or lower	162,568		140,954		3.3	%
Total	$	4,264,617	$	4,325,958	100.0	%



Ratings* as of December 31, 2015	Amortized cost		Fair value		% of Total fair value
Fixed maturities
U.S. treasury bonds	$	5,714	$	6,010	0.1	%
U.S. agency bonds	1,495,516		1,501,302		36.6	%
AAA	170,190		170,391		4.1	%
AA+, AA, AA-	222,506		223,084		5.4	%
A+, A, A-	1,075,550		1,066,794		26.0	%
BBB+, BBB, BBB-	1,077,064		1,039,228		25.3	%
BB+ or lower	124,167		100,254		2.5	%
Total	$	4,170,707	$	4,107,063	100.0	%

*Based on Standard & Poor’s ("S&P"), or equivalent, ratings

4. Investments (continued)

(b) Other Investments

The table below shows our portfolio of other investments:



	March 31, 2016				December 31, 2015
	Fair value		% of Total fair value		Fair value		% of Total fair value
Investment in quoted equity	$	6,300	48.2	%	$	4,905	41.5	%
Investments in limited partnerships	5,765		44.1	%	5,907		50.0	%
Other	1,000		7.7	%	1,000		8.5	%
Total other investments	$	13,065	100.0	%	$	11,812	100.0	%

The Company has an unfunded commitment on its investments in limited partnerships of approximately $593 at March 31, 2016.

Realized gains or losses on the sale of investments are determined on the basis of the first in first out cost method. The following provides an analysis of net realized gains on investment included in the unaudited Condensed Consolidated Statements of Income:



For the Three Months Ended March 31, 2016	Gross gains		Gross losses			Net
AFS fixed maturities	$	3,093	$	(879	)	$	2,214
Other investments	63		—			63
Net realized gains on investment	$	3,156	$	(879	)	$	2,277



For the Three Months Ended March 31, 2015	Gross gains		Gross losses		Net
AFS fixed maturities	$	845	$	—	$	845
Other investments	24		—		24
Net realized gains on investment	$	869	$	—	$	869

Proceeds from sales of AFS fixed maturities were $67,837 for the three months ended March 31, 2016 (March 31, 2015 - $56,639). Net unrealized gains were as follows:



	March 31, 2016			December 31, 2015
Fixed maturities	$	47,564		$	(55,024	)
Other investments	2,446			996
Total net unrealized gain (loss)	50,010			(54,028		)
Deferred income tax expense	(122		)	(84		)
Net unrealized gains, net of deferred income tax	$	49,888		$	(54,112	)
Change in net unrealized gains, net of deferred income tax	$	104,000

(d) Restricted Cash and Cash Equivalents and Investments

We are required to maintain assets to serve as collateral for our reinsurance liabilities under various reinsurance agreements. We also utilize trust accounts to collateralize business with our reinsurance counterparties. These trust accounts generally take the place of letter of credit requirements. The assets in trust as collateral are primarily cash and highly rated fixed maturity securities. The fair value of our restricted assets was as follows:

4. Investments (continued)



	March 31, 2016		December 31, 2015
Restricted cash and cash equivalents – third party agreements	$	48,672	$	102,837
Restricted cash and cash equivalents – related party agreements	96,758		139,944
Restricted cash and cash equivalents – U.S. state regulatory authorities	71		78
Total restricted cash and cash equivalents	145,501		242,859
Restricted investments AFS – in trust for third party agreements at fair value (Amortized cost: 2016 – $1,113,166; 2015 – $1,081,202)	1,130,246		1,067,602
Restricted investments AFS – in trust for related party agreements at fair value (Amortized cost: 2016 – $1,911,358; 2015 – $1,781,178)	1,937,527		1,754,705
Restricted investments HTM – in trust for related party agreements at fair value (Amortized cost: 2016 – $607,170; 2015 – $607,843)	620,327		598,975
Restricted investments AFS – in trust for U.S. state regulatory authorities (Amortized cost: 2016 – $4,077; 2015 – $4,071)	4,345		4,303
Total restricted investments	3,692,445		3,425,585
Total restricted cash and cash equivalents and investments	$	3,837,946	$	3,668,444

Fair Value of Financial Instruments

3 Months Ended

Mar. 31, 2016

Fair Value Disclosures [Abstract]

Fair Value of Financial Instruments

(a) Fair Values of Financial Instruments

FASB ASC Topic 820, "Fair Value Measurements and Disclosures" ("ASC 820") defines fair value as the price that would be received upon the sale of an asset or paid to transfer a liability (i.e. the "exit price") in an orderly transaction between open market participants at the measurement date. Additionally, ASC 820 establishes a hierarchy for inputs used in measuring fair value that maximizes the use of observable inputs and minimizes the use of unobservable inputs by requiring that the most observable inputs be used when available. The hierarchy is broken down into three levels based on the reliability of inputs as follows:

•

Level 1 — Valuations based on unadjusted quoted market prices for identical assets or liabilities that we have the ability to access. Valuation adjustments and block discounts are not applied to Level 1 instruments. Since valuations are based on quoted prices that are readily and regularly available in an active market, valuation of these products does not entail a significant degree of judgment. Examples of assets and liabilities utilizing Level 1 inputs include: exchange-traded equity securities and U.S. Treasury bonds;

•

Level 2 — Valuations based on quoted prices for similar assets or liabilities in active markets, quoted prices for identical assets or liabilities in inactive markets, or valuations based on models where the significant inputs are observable (e.g. interest rates, yield curves, prepayment speeds, default rates, loss severities, etc.) or can be corroborated by observable market data. Examples of assets and liabilities utilizing Level 2 inputs include: U.S. government-sponsored agency securities; non-U.S. government and supranational obligations; commercial mortgage-backed securities ("CMBS"); collateralized loan obligations ("CLO"); corporate and municipal bonds; and


•	Level 3 — Valuations based on models where significant inputs are not observable. The unobservable inputs reflect our own assumptions about assumptions that market participants would use. Examples of assets and liabilities utilizing Level 3 inputs include: insurance and reinsurance derivative contracts; and hedge and credit funds with partial transparency.

The availability of observable inputs can vary from financial instrument to financial instrument and is affected by a wide variety of factors, including, for example, the type of financial instrument, whether the financial instrument is new and not yet established in the marketplace, and other characteristics particular to the transaction. To the extent that valuation is based on models or inputs that are less observable or unobservable in the market, the determination of fair value requires significantly more judgment. Accordingly, the degree of judgment exercised by management in determining fair value is greatest for instruments categorized in Level 3. We use prices and inputs that are current at the measurement date. In periods of market dislocation, the observability of prices and inputs may be reduced for many instruments. This condition could cause an instrument to be reclassified between levels.

For investments that have quoted market prices in active markets, the Company uses the quoted market prices as fair value and includes these prices in the amounts disclosed in the Level 1 hierarchy. The Company receives the quoted market prices from a third party nationally recognized pricing service provider ("the Pricing Service"). When quoted market prices are unavailable, the Company utilizes the Pricing Service to determine an estimate of fair value. The fair value estimates are included in the Level 2

5. Fair Value of Financial Instruments (continued)

hierarchy. The Company will challenge any prices for its investments which are considered not to be representation of fair value. If quoted market prices and an estimate from the Pricing Service are unavailable, the Company produces an estimate of fair value based on dealer quotations for recent activity in positions with the same or similar characteristics to that being valued or through consensus pricing of a pricing service. The Company determines whether the fair value estimate is in the Level 2 or Level 3 hierarchy depending on the level of observable inputs available when estimating the fair value. The Company bases its estimates of fair values for assets on the bid price as it represents what a third party market participant would be willing to pay in an orderly transaction.

ASC 825, “Disclosure About Fair Value of Financial Instruments", requires all entities to disclose the fair value of their financial instruments, both assets and liabilities recognized and not recognized in the balance sheet, for which it is practicable to estimate fair value.

The following describes the valuation techniques used by the Company to determine the fair value of financial instruments held at March 31, 2016.

U.S. government and U.S. government agencies — Bonds issued by the U.S. Treasury, the Federal Home Loan Bank, the Federal Home Loan Mortgage Corporation, Government National Mortgage Association and the Federal National Mortgage Association. The fair values of U.S. treasury bonds are based on quoted market prices in active markets, and are included in the Level 1 fair value hierarchy. We believe the market for U.S. treasury bonds is an actively traded market given the high level of daily trading volume. The fair values of U.S. government agency bonds are determined using the spread above the risk-free yield curve. As the yields for the risk-free yield curve and the spreads for these securities are observable market inputs, the fair values of U.S. government agency bonds are included in the Level 2 fair value hierarchy.

Non-U.S. government and supranational bonds — These securities are generally priced by independent pricing services. The Pricing Service may use current market trades for securities with similar quality, maturity and coupon. If no such trades are available, the Pricing Service typically uses analytical models which may incorporate spreads, interest rate data and market/sector news. As the significant inputs used to price non-U.S. government and supranational bonds are observable market inputs, the fair values of non-U.S. government and supranational bonds are included in the Level 2 fair value hierarchy.

Asset-backed securities — These securities comprise CMBS and CLO originated by a variety of financial institutions that on acquisition are rated BBB-/Baa3 or higher. These securities are priced by independent pricing services and brokers. The pricing provider applies dealer quotes and other available trade information, prepayment speeds, yield curves and credit spreads to the valuation. As the significant inputs used to price the CMBS and CLO are observable market inputs, the fair value of the CMBS and CLO is included in the Level 2 fair value hierarchy.

Corporate bonds — Bonds issued by corporations that on acquisition are rated BBB-/Baa3 or higher. These securities are generally priced by independent pricing services. The spreads are sourced from broker/dealers, trade prices and the new issue market. Where pricing is unavailable from pricing services, we obtain non-binding quotes from broker-dealers. As the significant inputs used to price corporate bonds are observable market inputs, the fair values of corporate bonds are included in the Level 2 fair value hierarchy.

Municipal bonds — Bonds issued by U.S. state and municipality entities or agencies. The fair values of municipal bonds are generally priced by independent pricing services. The pricing services typically use spreads obtained from broker-dealers, trade prices and the new issue market. As the significant inputs used to price the municipal bonds are observable market inputs, municipal bonds are classified within Level 2.

Other investments — Includes both quoted and unquoted investments. The fair value of our quoted equity investment is obtained from the Pricing Service and is classified within Level 1. Unquoted other investments comprise investments in limited partnerships and an investment in preference shares of a start-up insurance producer. The fair values of the limited partnerships are determined by the fund manager based on recent filings, operating results, balance sheet stability, growth and other business and market sector fundamentals, and as such, the fair values are included in the Level 3 fair value hierarchy. The fair value of the investment in preference shares of a start-up insurance producer was determined using recent private market transactions and as such, the fair value is included in the Level 3 fair value hierarchy.

Reinsurance balances receivable — The carrying values reported in the accompanying condensed consolidated balance sheets for these financial instruments approximate their fair value due to short term nature of the assets.

Loan to related party — The carrying value reported in the accompanying condensed consolidated balance sheets for this financial instrument approximates its fair value.

Senior notes — The amount reported in the accompanying condensed consolidated balance sheets for these financial instruments represents the carrying value of the notes. The fair values are based on quoted prices of identical instruments in inactive markets and as such, are included in the Level 2 hierarchy.

5. Fair Value of Financial Instruments (continued)

(b) Fair Value Hierarchy

The Company’s estimates of fair value for financial assets and financial liabilities are based on the framework established in ASC 820. The framework is based on the inputs used in valuation and gives the highest priority to quoted prices in active markets and requires that observable inputs be used in the valuations when available. The disclosure of fair value estimates in the ASC 820 hierarchy is based on whether the significant inputs into the valuation are observable. In determining the level of the hierarchy in which the estimate is disclosed, the highest priority is given to unadjusted quoted prices in active markets and the lowest priority to unobservable inputs that reflect the Company’s significant market assumptions. We classified our financial instruments measured at fair value on a recurring basis in the following valuation hierarchy:



March 31, 2016	Quoted Prices in Active Markets for Identical Assets (Level 1)			Significant Other Observable Inputs (Level 2)			Significant Unobservable Inputs (Level 3)			Total Fair Value
AFS fixed maturities
U.S. treasury bonds	$	6,053		$	—		$	—		$	6,053
U.S. agency bonds – mortgage-backed	—			1,492,154			—			1,492,154
U.S. agency bonds – other	—			34,557			—			34,557
Non-U.S. government and supranational bonds	—			33,488			—			33,488
Asset-backed securities	—			177,487			—			177,487
Corporate bonds	—			1,895,528			—			1,895,528
Municipal bonds	—			66,364			—			66,364
Other investments	6,300			—			6,765			13,065
Total	$	12,353		$	3,699,578		$	6,765		$	3,718,696
As a percentage of total assets	0.2		%	60.5		%	0.1		%	60.8		%



December 31, 2015	Quoted Prices in Active Markets for Identical Assets (Level 1)			Significant Other Observable Inputs (Level 2)			Significant Unobservable Inputs (Level 3)			Total Fair Value
AFS fixed maturities
U.S. treasury bonds	$	6,010		$	—		$	—		$	6,010
U.S. agency bonds – mortgage-backed	—			1,476,991			—			1,476,991
U.S. agency bonds – other	—			24,311			—			24,311
Non-U.S. government and supranational bonds	—			30,544			—			30,544
Asset-backed securities	—			165,804			—			165,804
Corporate bonds	—			1,739,668			—			1,739,668
Municipal bonds	—			64,760			—			64,760
Other investments	4,905			—			6,907			11,812
Total	$	10,915		$	3,502,078		$	6,907		$	3,519,900
As a percentage of total assets	0.2		%	61.4		%	0.1		%	61.7		%

The Company utilized a Pricing Service to estimate fair value measurements for approximately 99.9% of its fixed maturities at March 31, 2016 and December 31, 2015, respectively. The Pricing Service utilizes market quotations for fixed maturity securities that have quoted market prices in active markets. Since fixed maturities other than U.S. treasury bonds generally do not trade on a daily basis, the Pricing Service prepares estimates of fair value measurements using relevant market data, benchmark curves, sector groupings and matrix pricing and these have been classified as Level 2. At March 31, 2016 and December 31, 2015, 0.1% of the fixed maturities are valued using the market approach. At those dates, a total of two securities, or approximately $4,711 and $4,943, respectively, of Level 2 fixed maturities, were priced using a quotation from a broker and/or custodian as opposed to the

5. Fair Value of Financial Instruments (continued)

Pricing Service due to lack of information available. At March 31, 2016 and December 31, 2015, we have not adjusted any pricing provided to us based on the review performed by our investment managers. There have not been any transfers between Level 1 and Level 2 during the periods represented by these unaudited Condensed Consolidated Financial Statements.

The Company has determined that its investments in Level 3 securities are not material to its financial position or results of operations. The following table presents changes in Level 3 for our financial instruments measured at fair value on a recurring basis:



	For the Three Months Ended
Other investments:	March 31, 2016			March 31, 2015
Balance at beginning of period	$	6,907		$	6,581
Total realized gains – included in net realized gains on investment	63			24
Change in total unrealized gains – included in other comprehensive income (loss)	56			82
Purchases	46			97
Sales and redemptions	(307		)	(29		)
Transfers into Level 3	—			—
Transfers out of Level 3	—			—
Balance at end of period	$	6,765		$	6,755
Level 3 gains (losses) included in net income attributable to the change in unrealized gains (losses) relating to assets held at the reporting date	$	—		$	—

(d) Financial Instruments not measured at Fair Value

The following table presents the fair value and carrying value of the financial instruments not measured at fair value:



	March 31, 2016				December 31, 2015
	Carrying Value		Fair Value		Carrying Value		Fair Value
Financial Assets
HTM - corporate bonds	$	607,170	$	620,327	$	607,843	$	598,975
Total financial assets	$	607,170	$	620,327	$	607,843	$	598,975
Financial Liabilities
MHNA - 8.25%	$	107,500	$	108,833	$	107,500	$	110,424
MHNB - 8.00%	100,000		103,976		100,000		105,328
MHNC - 7.75%	152,500		165,676		152,500		165,456
Total financial liabilities	$	360,000	$	378,485	$	360,000	$	381,208

- Definition

The entire disclosure for the fair value of financial instruments (as defined), including financial assets and financial liabilities (collectively, as defined), and the measurements of those instruments as well as disclosures related to the fair value of non-financial assets and liabilities. Such disclosures about the financial instruments, assets, and liabilities would include: (1) the fair value of the required items together with their carrying amounts (as appropriate); (2) for items for which it is not practicable to estimate fair value, disclosure would include: (a) information pertinent to estimating fair value (including, carrying amount, effective interest rate, and maturity, and (b) the reasons why it is not practicable to estimate fair value; (3) significant concentrations of credit risk including: (a) information about the activity, region, or economic characteristics identifying a concentration, (b) the maximum amount of loss the entity is exposed to based on the gross fair value of the related item, (c) policy for requiring collateral or other security and information as to accessing such collateral or security, and (d) the nature and brief description of such collateral or security; (4) quantitative information about market risks and how such risks are managed; (5) for items measured on both a recurring and nonrecurring basis information regarding the inputs used to develop the fair value measurement; and (6) for items presented in the financial statement for which fair value measurement is elected: (a) information necessary to understand the reasons for the election, (b) discussion of the effect of fair value changes on earnings, (c) a description of [similar groups] items for which the election is made and the relation thereof to the balance sheet, the aggregate carrying value of items included in the balance sheet that are not eligible for the election; (7) all other required (as defined) and desired information.

+ References + Details

Related Party Transactions	3 Months Ended
Related Party Transactions	Mar. 31, 2016
Related Party Transactions [Abstract]
Related Party Transactions	Related Party Transactions As of March 31, 2016, the Founding Shareholders of the Company are Michael Karfunkel, George Karfunkel and Barry Zyskind. The Founding Shareholders including Leah Karfunkel (wife of Michael Karfunkel) own or control approximately 20.3% of the outstanding shares of the Company. Michael Karfunkel is the non-executive chairman of the board of AmTrust, George Karfunkel is a director of AmTrust, and Barry Zyskind is the president, CEO and director of AmTrust. The Founding Shareholders, including Leah Karfunkel, own or control approximately 47.9% of the outstanding shares of AmTrust. AmTrust owns 11.6% of the issued and outstanding shares of National General Holdings Corporation ("NGHC") common stock, and Michael Karfunkel individually and the Michael Karfunkel 2005 Family Trust (which is controlled by Leah Karfunkel) own a combined 43.1% of the outstanding common shares of NGHC. Michael Karfunkel is the chairman and CEO of NGHC, and Barry Zyskind is a director of NGHC. Michael Karfunkel passed away on April 27, 2016, thus the shares previously held by him are now held by his estate. 6. Related Party Transactions (continued) AmTrust The following describes transactions between the Company and AmTrust. AmTrust Quota Share Reinsurance Agreement Effective July 1, 2007, the Company and AmTrust entered into a master agreement, as amended (the "Master Agreement"), by which they caused Maiden Bermuda, a wholly owned subsidiary of the Company, and AmTrust's Bermuda reinsurance subsidiary, AmTrust International Insurance, Ltd. ("AII"), to enter into a quota share reinsurance agreement (the "Reinsurance Agreement") by which (a) AII retrocedes to Maiden Bermuda an amount equal to 40% of the premium written by subsidiaries of AmTrust, net of the cost of unaffiliated inuring reinsurance (and in the case of AmTrust's U.K. insurance subsidiary, AmTrust Europe Limited ("AEL"), net of commissions) and 40% of losses and (b) AII transferred to Maiden Bermuda 40% of the AmTrust subsidiaries' unearned premiums, effective July 1, 2007, with respect to the current lines of business. The Master Agreement further provided that AII receives a ceding commission of 31% of ceded written premiums. On June 11, 2008, Maiden Bermuda and AII amended the Reinsurance Agreement to add Retail Commercial Package Business to the Covered Business. AII receives a ceding commission of 34.375% on Retail Commercial Package Business. Effective March 7, 2013, Maiden Bermuda and AII amended the Reinsurance Agreement extending the term of the agreement to June 30, 2016. The agreement automatically renews for successive three-year periods thereafter unless AII or Maiden Bermuda elects to so terminate the Reinsurance Agreement by giving written notice to the other party not less than nine months prior to the expiration of any successive three-year period. As no written notice was given by either party, the term of the agreement has been extended to June 30, 2019. Either party is entitled to terminate on thirty days' notice or less upon the occurrence of certain early termination events, which include a default in payment, insolvency, change in control of AII or Maiden Bermuda, run-off, or a reduction of 50% or more of the shareholders' equity of Maiden Bermuda or the combined shareholders' equity of AII and the AmTrust subsidiaries. In 2015, Maiden Bermuda and AII entered into an agreement to commute certain liabilities as of December 31, 2015. The commuted reserve value of $107,000, represents full and final settlement of all liabilities related to this business and as a result of this agreement, this business will be excluded prospectively. Additionally, for the Specialty Program portion of Covered Business only, AII will be responsible for ultimate net loss otherwise recoverable from Maiden Bermuda to the extent that the loss ratio to Maiden Bermuda, which shall be determined on an inception to date basis from July 1, 2007 through the date of calculation, is between 81.5% and 95%. Above and below the defined corridor, Maiden Bermuda will continue to reinsure losses at its proportional 40% share per the Reinsurance Agreement. AmTrust European Hospital Liability Quota Share Agreement ("European Hospital Liability Quota Share") Effective April 1, 2011, Maiden Bermuda, entered into a quota share reinsurance contract with AEL and AmTrust International Underwriters Limited ("AIUL"), both wholly owned subsidiaries of AmTrust. Pursuant to the terms of the contract, Maiden Bermuda assumed 40% of the premiums and losses related to policies classified as European Hospital Liability, including associated liability coverages and policies covering physician defense costs, written or renewed on or after April 1, 2011. The contract also covers policies written or renewed on or before March 31, 2011, but only with respect to losses that occur, accrue or arise on or after April 1, 2011. The maximum limit of liability attaching shall be €5,000 (€10,000 effective January 1, 2012) or currency equivalent (on a 100% basis) per original claim for any one original policy. Maiden Bermuda will pay a ceding commission of 5%. The agreement has been renewed through March 31, 2017 and can be terminated at any April 1 by either party on four months notice. The Company recorded approximately $141,051 of ceding commission expense for the three months ended March 31, 2016, (March 31, 2015 - $117,202) as a result of both these quota share arrangements with AmTrust. Other Reinsurance Agreements Effective September 1, 2010, the Company, through a subsidiary, entered into a quota share reinsurance agreement with Technology Insurance Company, Inc. ("Technology"), a subsidiary of AmTrust. Under the agreement, we ceded (a) 90% of its gross liability written under the Open Lending Program ("OPL") and (b) 100% of its surplus lines general liability business under the Naxos Avondale Specialty Casualty Program ("NAXS"). Our involvement is limited to certain states where Technology was not fully licensed. The agreement also provides that we receive a ceding commission of 5% of ceded written premiums. The OPL program was terminated on December 31, 2011, on a run-off basis, and the NAXS program was terminated on October 31, 2012. We recorded $7 of ceded premiums and $1 ceding commission income for the three months ended March 31, 2016, (March 31, 2015 - $24 of premiums ceded and $1 of ceding commission income). 6. Related Party Transactions (continued) Effective April 1, 2012, the Company, through a subsidiary, entered into a reinsurance agreement with AmTrust's wholly owned subsidiary, AmTrust North America, Inc. ("AmTrust NA"). We indemnify AmTrust NA, on an excess of loss basis, as a result of losses occurring on AmTrust NA's new and renewal policies relating to the lines of business classified as Automobile Liability by AmTrust NA in its annual statement utilizing the specific underwriting guidelines defined in the reinsurance agreement. AmTrust NA shall retain the first $1,000 of loss, per any one policy or per any one loss occurrence. This agreement has a term of one year and automatically renews annually unless terminated pursuant to the terms of the agreement. Under this agreement, for the three months ended March 31, 2016, the Company recorded approximately $192 net premiums earned and $51 of commission expense, respectively, (March 31, 2015 - $156 net premiums earned and $37 commission expense). Collateral provided to AmTrust a) AmTrust Quota Share Reinsurance Agreement In order to provide AmTrust's U.S. insurance subsidiaries with credit for reinsurance on their statutory financial statements, AII, as the direct reinsurer of the AmTrust's insurance subsidiaries, has established trust accounts ("Trust Accounts") for their benefit. Maiden Bermuda has agreed to provide appropriate collateral to secure its proportional share under the Reinsurance Agreement of AII's obligations to the AmTrust subsidiaries to whom AII is required to provide collateral. This collateral may be in the form of (a) assets loaned by Maiden Bermuda to AII for deposit into the Trust Accounts, pursuant to a loan agreement between those parties, (b) assets transferred by Maiden Bermuda for deposit into the Trust Accounts, (c) a letter of credit obtained by Maiden Bermuda and delivered to an AmTrust subsidiary on AII's behalf, or (d) premiums withheld by an AmTrust subsidiary at Maiden Bermuda's request in lieu of remitting such premiums to AII. Maiden Bermuda may provide any or a combination of these forms of collateral, provided that the aggregate value thereof equals Maiden Bermuda's proportionate share of its obligations under the Reinsurance Agreement with AII. Maiden Bermuda satisfied its collateral requirements under the Reinsurance Agreement with AII as follows: •by lending funds in the amount of $167,975 at March 31, 2016 and December 31, 2015 pursuant to a loan agreement entered into between those parties. This loan was assigned to AmTrust effective December 31, 2014 and is carried at cost. Interest is payable at a rate equivalent to the one-month LIBOR plus 90 basis points per annum; and •effective December 1, 2008, the Company entered into a Reinsurer Trust Assets Collateral agreement to provide to AII sufficient collateral to secure its proportional share of AII's obligations to the U.S. AmTrust subsidiaries. The amount of the collateral, at March 31, 2016, was approximately $2,397,086 (December 31, 2015 - $2,256,383) and the accrued interest was $16,745 (December 31, 2015 - $15,448). Please refer to "Note 4. (d) Investments" for additional information. b) European Hospital Liability Quota Share AEL requested that Maiden Bermuda provide collateral to secure its proportional share under the European Hospital Liability Quota Share agreement. Please refer to "Note 4. (d) Investments" for additional information. Brokerage Agreement Effective July 1, 2007, the Company entered into a reinsurance brokerage agreement with AII Reinsurance Broker Ltd. ("AIIB"), a wholly owned subsidiary of AmTrust. Pursuant to the brokerage agreement, AIIB provides brokerage services relating to the Reinsurance Agreement and, the European Hospital Liability Quota Share agreement for a fee equal to 1.25% of the premium assumed. The brokerage fee is payable in consideration of AIIB's brokerage services. AIIB is not the Company's exclusive broker. The agreement may be terminated upon 30 days written notice by either party. Maiden Bermuda recorded approximately $5,788 of reinsurance brokerage expense for the three months ended March 31, 2016 (March 31, 2015 - $4,880) and deferred reinsurance brokerage of $14,556 at March 31, 2016 (December 31, 2015 - $13,464) as a result of this agreement. Asset Management Agreement Effective July 1, 2007, the Company entered into an asset management agreement with AII Insurance Management Limited ("AIIM"), a wholly owned subsidiary of AmTrust, pursuant to which AIIM has agreed to provide investment management services to the Company. AIIM provides investment management services for a quarterly fee of 0.0375% if the average value of the account for the previous calendar quarter is greater than $1 billion. The agreement may be terminated upon 30 days written notice by either party. The Company recorded approximately $1,645 of investment management fees for the three months ended March 31, 2016 (March 31, 2015 - $1,431) as a result of this agreement. Other The Company entered into time sharing agreements for the lease of aircraft owned by AmTrust Underwriters, Inc. ("AUI"), a wholly owned subsidiary of AmTrust, and by AmTrust on March 1, 2011 and November 5, 2014, respectively. 6. Related Party Transactions (continued) The agreements automatically renew for successive one-year terms unless terminated in accordance with the provisions of the agreements. Pursuant to the agreements, the Company will reimburse AUI and AmTrust for actual expenses incurred as allowed by Federal Aviation Regulations. For the three months ended March 31, 2016, the Company recorded an expense of $22 (March 31, 2015 - $24) for the use of the aircraft. NGHC The following describes transactions between the Company and NGHC and its subsidiaries: NGHC Quota Share Reinsurance Agreement ("NGHC Quota Share") Maiden Bermuda, effective March 1, 2010, had a 50% participation in the NGHC Quota Share, by which it received 25% of net premiums of the personal lines automobile business and assumed 25% of the related net losses. On August 1, 2013, the Company and NGHC mutually agreed the termination of the NGHC Quota Share on a run-off basis effective on that date. Consequently, Maiden Bermuda recorded no ceding commission expense for the three months ended March 31, 2016 and 2015 as a result of this transaction. Other Effective April 1, 2015, Maiden US renewed the Medical Excess of Loss reinsurance agreement with wholly owned subsidiaries of NGHC, Distributors Insurance Company PCC, AIBD Insurance Company IC and Professional Services Captive Corporation IC. Pursuant to this agreement, Maiden US indemnified on an excess of loss basis, for the amounts of net loss, paid from April 1, 2015 through March 31, 2016. Maiden US was liable for 100% of the net loss for each covered person per agreement year in excess of the $1,175 retention (each covered person per agreement year). Maiden US' liability did not exceed $8,825 per covered person per agreement year. In addition, Maiden US continued to indemnify extra contractual obligations with a maximum liability of $2,000. This agreement terminated on March 31, 2016 and Maiden US was relieved of all liability hereunder for losses incurred or paid subsequent to such termination date. Under these agreements, Maiden US recorded approximately $149 of premiums earned for the three months ended March 31, 2016 (March 31, 2015 - $87).

Earnings per Common Share

3 Months Ended

Mar. 31, 2016

Earnings Per Share [Abstract]

Earnings per Common Share

The following is a summary of the elements used in calculating basic and diluted earnings per common share:



For the Three Months Ended March 31,	2016			2015
Numerator:
Net income attributable to Maiden shareholders	$	36,893		$	38,489
Dividends on preference shares - Series A	(3,094		)	(3,094		)
Dividends on convertible preference shares - Series B	(2,990		)	(2,990		)
Dividends on preference shares - Series C	(3,593		)	—
Amount allocated to participating common shareholders⁽¹⁾	(16		)	(26		)
Numerator for basic EPS - net income allocated to Maiden common shareholders	$	27,200		$	32,379
Potentially dilutive securities
Dividends on convertible preference shares- Series B	2,990			2,990
Numerator for diluted EPS - net income allocated to Maiden common shareholders after assumed conversion	$	30,190		$	35,369
Denominator:
Weighted average number of common shares outstanding – basic	73,871,277			73,084,412
Potentially dilutive securities:
Share options and restricted share units	1,051,458			1,427,725
Convertible preference shares⁽²⁾	10,876,642			10,751,648
Adjusted weighted average number of common shares and assumed conversions – diluted	85,799,377			85,263,785
Basic earnings per share attributable to Maiden common shareholders:	$	0.37		$	0.44
Diluted earnings per share attributable to Maiden common shareholders:	$	0.35		$	0.41

7. Earnings per Common Share (continued)

(1) This represents earnings allocated to the holders of non-vested restricted shares issued to the Company's employees under the 2007 Share Incentive Plan.

(2) Please refer to "Notes to Consolidated Financial Statements" included under Item 8 of our Annual Report on Form 10-K for the year ended December 31, 2015 for the terms and conditions of each of these anti-dilutive instruments. Furthermore, the current number of additional common shares that could possibly be issued on conversion, if conversion after April 1, 2016 was permitted in accordance with the terms and conditions of Form 424B Prospectus Supplement filed with the SEC, is 274,111, an increase of 42,630 common shares since January 2, 2016.

Shareholders' Equity

3 Months Ended

Mar. 31, 2016

Stockholders' Equity Note [Abstract]

Shareholders' Equity

At March 31, 2016, the aggregate authorized share capital of the Company is 150,000,000 shares from which the Company has issued 75,042,178 common shares, of which 73,992,275 are outstanding, and issued 15,900,000 preference shares. The remaining 59,057,822 are undesignated at March 31, 2016. For further discussion on the components of Shareholders' Equity, please refer to the Company's Annual Report on Form 10-K for the year ended December 31, 2015.

Treasury Shares

On January 1, 2016, February 15, 2016, February 17, 2016 and March 10, 2016, the Company repurchased 3,351 shares at a price per share of $14.91, 10,255 shares at a price per share of $13.16, 1,183 shares at a price per share of $13.36 and 20,469 shares at a price per share of $13.16, respectively, from employees, which represent withholdings in respect of tax obligations on the vesting of restricted shares and performance based shares.

Accumulated Other Comprehensive Income

The following tables set forth financial information regarding the changes in the balances of each component of AOCI:



For the Three Months Ended March 31, 2016	Change in net unrealized gains on investments			Foreign currency translation adjustments			Total
Beginning balance	$	(54,112	)	$	30,231		$	(23,881	)
Other comprehensive loss before reclassifications	103,368			(10,734		)	92,634
Amounts reclassified from AOCI to net income, net of tax	632			—			632
Net current period other comprehensive income (loss)	104,000			(10,734		)	93,266
Ending balance	49,888			19,497			69,385
Less: AOCI attributable to non controlling interest	—			(85		)	(85		)
Ending balance, Maiden shareholders	$	49,888		$	19,582		$	69,470



For the Three Months Ended March 31, 2015	Change in net unrealized gains on investments			Foreign currency translation adjustments			Total
Beginning balance	$	78,579		$	16,665		$	95,244
Other comprehensive (loss) income before reclassifications	(6,934		)	18,935			12,001
Amounts reclassified from AOCI to net income, net of tax	149			—			149
Net current period other comprehensive (loss) income	(6,785		)	18,935			12,150
Ending balance	71,794			35,600			107,394
Less: AOCI attributable to non controlling interest	—			(104		)	(104		)
Ending balance, Maiden shareholders	$	71,794		$	35,704		$	107,498

- Definition

The entire disclosure for shareholders' equity comprised of portions attributable to the parent entity and noncontrolling interest, including other comprehensive income. Includes, but is not limited to, balances of common stock, preferred stock, additional paid-in capital, other capital and retained earnings, accumulated balance for each classification of other comprehensive income and amount of comprehensive income.

+ References

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+ Details

Commitments and Contingencies

3 Months Ended

Mar. 31, 2016

Commitments and Contingencies Disclosure [Abstract]

Commitments and Contingencies

There are no material changes from the commitments and contingencies previously disclosed in the Company's Annual Report on Form 10-K for the year ended December 31, 2015.

Dividends Declared

On February 15, 2016, the Company's Board of Directors authorized the following quarterly dividend:



	Dividend per Share		Payable on:	Record date:
Common shares	$	0.14	April 15, 2016	April 1, 2016

Legal Proceedings

Except as noted below, the Company is not a party to any material legal proceedings. From time to time, the Company is subject to routine legal proceedings, including arbitrations, arising in the ordinary course of business. These legal proceedings generally relate to claims asserted by or against the Company in the ordinary course of insurance or reinsurance operations. Based on the Company's opinion, the eventual outcome of these legal proceedings is not expected to have a material adverse effect on its financial condition or results of operations.

In April 2009, the Company learned that Bentzion S. Turin, the former Chief Operating Officer, General Counsel and Secretary of Maiden Holdings and Maiden Bermuda, sent a letter to the U.S. Department of Labor claiming that his employment with the Company was terminated in retaliation for corporate whistle blowing in violation of the whistle blower protection provisions of the Sarbanes-Oxley Act of 2002. Mr. Turin alleged concerns regarding corporate governance with respect to negotiation of the terms of the Trust Preferred Securities Offering and seeks reinstatement as Chief Operating Officer, General Counsel and Secretary of Maiden Holdings and Maiden Bermuda, back pay and legal fees incurred. On December 31, 2009, the U.S. Secretary of Labor found no reasonable cause for Mr. Turin’s claim and dismissed the complaint in its entirety. Mr. Turin objected to the Secretary's

findings and requested a hearing before an administrative law judge in the U.S. Department of Labor. The Company moved to dismiss Mr. Turin's complaint, and its motion was granted by the Administrative Law Judge on June 30, 2011.

On July 13, 2011, Mr. Turin filed a petition for review of the Administrative Law Judge's decision with the Administrative Review Board in the U.S. Department of Labor. The Company filed its brief in opposition to the petition for review on October 19, 2011. On March 29, 2013, the Administrative Review Board reversed the dismissal of the complaint on procedural grounds, and remanded the case to the administrative law judge. The administrative hearing began in September 2014, and we expect it to conclude in 2016. The Company believes that it had ample reason for terminating such employment for good and sufficient legal cause, and the Company believes that the claim is without merit and is vigorously defending this claim.

Subsequent Events

3 Months Ended

Mar. 31, 2016

Subsequent Events [Abstract]

Subsequent Events

On May 4, 2016, the Company's Board of Directors authorized the following quarterly dividends:



	Dividend per Share		Payable on:	Record date:
Common shares	$	0.14	July 15, 2016	July 1, 2016
Preference shares - Series A	$	0.515625	June 15, 2016	June 1, 2016
Preference shares - Series B	$	0.90625	June 15, 2016	June 1, 2016
Preference shares - Series C	$	0.445313	June 15, 2016	June 1, 2016

Significant Accounting Policies (Policies)	3 Months Ended
Significant Accounting Policies (Policies)	Mar. 31, 2016
Accounting Policies [Abstract]
Basis of Presentation	The accompanying unaudited Condensed Consolidated Financial Statements include the accounts of Maiden Holdings, Ltd. and its subsidiaries (the "Company" or "Maiden") and have been prepared in accordance with generally accepted accounting principles in the United States ("GAAP" or "U.S. GAAP") for interim financial statements and with the instructions to Form 10-Q and Article 10 of Regulation S-X as promulgated by the U.S. Securities and Exchange Commission ("SEC"). Accordingly, they do not include all of the information and footnotes required by GAAP for complete financial statements. All significant inter-company transactions and accounts have been eliminated. These interim unaudited Condensed Consolidated Financial Statements reflect all adjustments that are, in the opinion of management, necessary for a fair presentation of the results for the interim period and all such adjustments are of a normal recurring nature. The results of operations for the interim period are not necessarily indicative, if annualized, of those to be expected for the full year. The preparation of financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the amounts reported in the financial statements and accompanying notes. Actual results could differ from those estimates. These unaudited Condensed Consolidated Financial Statements, including these notes, should be read in conjunction with the Company's audited Consolidated Financial Statements, and related notes thereto, included in the Company's Annual Report on Form 10-K for the year ended December 31, 2015. Certain reclassifications have been made for 2015 to conform to the 2016 presentation and have no impact on net income and total equity previously reported.
Recently Issued Accounting Standards Not Yet Adopted	Transition related to Accounting Standards Update ("ASU") No. 2015-03: Simplifying the Presentation of Debt Issuance Costs Effective January 1, 2016, the Company adopted the new guidance under ASU 2015-03 which requires that debt issuance costs be presented as a direct deduction from the related debt liability rather than as an asset in the balance sheet. The amortization of such costs is reported as an interest expense. The Company applied this new guidance retrospectively to all prior periods presented. The adoption of this new guidance reduced the December 31, 2015 audited consolidated total assets and total liabilities by $10,067, respectively, representing the amount of unamortized issuance costs related to our Senior Notes which was previously presented as part of other assets. There was no impact on the net income, related per-share amounts or the retained earnings for the periods affected by the adoption of this guidance. Recently Issued Accounting Standards Not Yet Adopted Disclosures about Short-Duration Contracts In May 2015, the Financial Accounting Standards Board ("FASB") issued ASU 2015-09 which is aimed at providing users of financial statements with more transparent information about an insurance entity’s initial claim estimates and subsequent adjustments to those estimates, methodologies and judgments in estimating claims, and the timing, frequency and severity of claims. The new disclosures are required for short-duration insurance contracts issued by insurers. For public business entities, this guidance will be effective for annual periods beginning after December 15, 2015, and interim periods within annual periods beginning after December 15, 2016. Early adoption is permitted and should be applied retrospectively by providing comparative disclosures for each period presented. As this guidance is disclosure-related only, the adoption of this guidance is not expected to have a material impact on the Company’s statements of operations and financial position. Recognition and Measurement of Financial Assets and Financial Liabilities In January 2016, the FASB issued ASU 2016-01 that will change how entities measure certain equity investments and present changes in the fair value of financial liabilities measured under the fair value option that are attributable to their own credit. The new guidance also changes certain disclosure requirements and other aspects of current U.S. GAAP. It does not change the guidance for classifying and measuring investments in debt securities and loans. Under the new guidance, entities will have to measure many equity investments at fair value and recognize any changes in fair value in net income unless the investments qualify for the new practicability exception. This includes investments in partnerships, unincorporated joint ventures and limited liability companies that do not result in consolidation and are not accounted for under the equity method. Entities will no longer be able to recognize unrealized holding gains and losses on equity securities they classify today as available for sale ("AFS") in AOCI. They also will no longer be able to use the cost method of accounting for equity securities that do not have readily determinable fair values. The guidance is effective for annual periods beginning after December 15, 2017, including interim periods within those fiscal years. The Company is evaluating the impact of this new guidance on its consolidated results of operations and financial condition. 2. Significant Accounting Policies (continued) Accounting for Leases In February 2016, the FASB issued final Accounting Standards Codification ("ASC") 842 guidance that requires lessees to put most leases on their balance sheets but recognize expenses on their income statement in a manner similar to today's accounting. The guidance also eliminates today's real-estate-specific provisions for all entities. All entities classify leases to determine how to recognize lease-related revenue and expense. The U.S. GAAP standard is effective for public business entities and certain not-for-profit entities and employee benefit plans for annual periods beginning after December 15, 2018, and interim periods within those years. Early adoption is permitted for all entities. The Company is evaluating the impact of this new guidance on its consolidated results of operations and financial condition. Improvements to Employee Share-Based Payment Accounting In March 2016, the FASB issued ASU 2016-09 guidance that outlines changes for certain aspects of share-based payments to employees, such as accounting for forfeitures, which applies to the Company. Under the new guidance, the entities can elect to either estimate the number of awards that are expected to vest or account for forfeitures when they occur. The guidance is effective for public business entities for fiscal year beginning after December 15, 2016, and interim periods within those fiscal years. Early adoption is permitted for all entities, in any annual or interim period for which financial statements haven't been issued or made available for issuance, but all of the guidance must be adopted in the same period. The Company is evaluating the impact of this new guidance on its consolidated results of operations and financial condition.

Segment Reporting (Tables)

3 Months Ended

Mar. 31, 2016

Segment Reporting [Abstract]

Underwriting results of operating segments

The following tables summarize our reporting segment's underwriting results and the reconciliation of our reportable segments and Other category's underwriting results to our consolidated net income:

3. Segment Reporting (continued)



For the Three Months Ended March 31, 2016	Diversified Reinsurance			AmTrust Reinsurance			Other			Total
Gross premiums written	$	315,804		$	548,310		$	—		$	864,114
Net premiums written	$	286,136		$	506,695		$	—		$	792,831
Net premiums earned	$	172,256		$	443,753		$	—		$	616,009
Other insurance revenue	4,826			—			—			4,826
Net loss and loss adjustment expenses ("LAE")	(119,076		)	(281,774		)	(2,771		)	(403,621		)
Commission and other acquisition expenses	(54,531		)	(140,538		)	1			(195,068		)
General and administrative expenses	(8,600		)	(586		)	—			(9,186		)
Underwriting income (loss)	$	(5,125	)	$	20,855		$	(2,770	)	$	12,960
Reconciliation to net income
Net investment income and realized gains on investment										38,579
Interest and amortization expenses										(7,265		)
Amortization of intangible assets										(615		)
Foreign exchange and other gains										267
Other general and administrative expenses										(6,310		)
Income tax expense										(787		)
Net income										$	36,829

Net loss and LAE ratio ⁽¹⁾	67.2		%	63.5		%				65.0		%
Commission and other acquisition expense ratio ⁽²⁾	30.8		%	31.7		%				31.4		%
General and administrative expense ratio⁽³⁾	4.9		%	0.1		%				2.5		%
Combined ratio⁽⁴⁾	102.9		%	95.3		%				98.9		%

3. Segment Reporting (continued)



For the Three Months Ended March 31, 2015	Diversified Reinsurance			AmTrust Reinsurance			Other			Total
Gross premiums written	$	305,341		$	528,926		$	(1	)	$	834,266
Net premiums written	$	294,198		$	502,784		$	1		$	796,983
Net premiums earned	$	192,684		$	384,633		$	2		$	577,319
Other insurance revenue	4,979			—			—			4,979
Net loss and LAE	(132,386		)	(243,094		)	(1,926		)	(377,406		)
Commission and other acquisition expenses	(58,206		)	(120,136		)	—			(178,342		)
General and administrative expenses	(9,320		)	(747		)	—			(10,067		)
Underwriting income (loss)	$	(2,249	)	$	20,656		$	(1,924	)	$	16,483
Reconciliation to net income
Net investment income and realized gains on investment										29,129
Interest and amortization expenses										(7,264		)
Amortization of intangible assets										(710		)
Foreign exchange and other gains										7,826
Other general and administrative expenses										(6,130		)
Income tax expense										(800		)
Net income										$	38,534

Net loss and LAE ratio ⁽¹⁾	67.0		%	63.2		%				64.8		%
Commission and other acquisition expense ratio ⁽²⁾	29.4		%	31.2		%				30.6		%
General and administrative expense ratio⁽³⁾	4.7		%	0.2		%				2.8		%
Combined ratio⁽⁴⁾	101.1		%	94.6		%				98.2		%



(1) Calculated by dividing net loss and LAE by net premiums earned and other insurance revenue.
(2) Calculated by dividing commission and other acquisition expenses by net premiums earned and other insurance revenue.
(3) Calculated by dividing general and administrative expenses by net premiums earned and other insurance revenue.
(4) Calculated by adding together the net loss and LAE ratio, commission and other acquisition expense ratio and general and administrative expense ratio.

The following tables summarize the total assets of our reportable segments including the reconciliation to our consolidated assets at March 31, 2016 and December 31, 2015:



March 31, 2016	Diversified Reinsurance		AmTrust Reinsurance		Total
Total assets - reportable segments	$	1,803,795	$	3,491,418	$	5,295,213
Corporate assets	—		—		824,460
Total Assets	$	1,803,795	$	3,491,418	$	6,119,673



December 31, 2015	Diversified Reinsurance		AmTrust Reinsurance		Total
Total assets - reportable segments	$	1,644,541	$	3,178,859	$	4,823,400
Corporate assets	—		—		880,178
Total Assets	$	1,644,541	$	3,178,859	$	5,703,578

Net premiums by major line of business

The following tables set forth financial information relating to net premiums written and earned by major line of business and reportable segment for the three months ended March 31, 2016 and 2015:



For the Three Months Ended March 31,	2016				2015
Net premiums written	Total		% of Total		Total		% of Total
Diversified Reinsurance
Property	$	61,869	7.8	%	$	68,514	8.6	%
Casualty	155,280		19.6	%	171,531		21.5	%
Accident and Health	39,572		5.0	%	30,107		3.8	%
International	29,415		3.7	%	24,046		3.0	%
Total Diversified Reinsurance	286,136		36.1	%	294,198		36.9	%
AmTrust Reinsurance
Small Commercial Business	362,499		45.7	%	323,201		40.5	%
Specialty Program	76,791		9.7	%	74,580		9.4	%
Specialty Risk and Extended Warranty	67,405		8.5	%	105,003		13.2	%
Total AmTrust Reinsurance	506,695		63.9	%	502,784		63.1	%
Other	—		—	%	1		—	%
	$	792,831	100.0	%	$	796,983	100.0	%



For the Three Months Ended March 31,	2016				2015
Net premiums earned	Total		% of Total		Total		% of Total
Diversified Reinsurance
Property	$	32,710	5.3	%	$	40,623	7.0	%
Casualty	100,166		16.3	%	118,938		20.6	%
Accident and Health	17,804		2.9	%	12,201		2.1	%
International	21,576		3.5	%	20,922		3.6	%
Total Diversified Reinsurance	172,256		28.0	%	192,684		33.3	%
AmTrust Reinsurance
Small Commercial Business	264,491		42.9	%	224,991		39.0	%
Specialty Program	84,199		13.7	%	57,010		9.9	%
Specialty Risk and Extended Warranty	95,063		15.4	%	102,632		17.8	%
Total AmTrust Reinsurance	443,753		72.0	%	384,633		66.7	%
Other	—		—	%	2		—	%
	$	616,009	100.0	%	$	577,319	100.0	%

Investments (Tables)

3 Months Ended

Mar. 31, 2016

Schedule of Investments [Abstract]

Original or amortized cost, estimated fair value and gross unrealized gains and losses of available-for-sale and other investments



March 31, 2016	Original or amortized cost		Gross unrealized gains		Gross unrealized losses			Fair value
AFS fixed maturities:
U.S. treasury bonds	$	5,715	$	365	$	(27	)	$	6,053
U.S. agency bonds – mortgage-backed	1,461,303		33,451		(2,600		)	1,492,154
U.S. agency bonds – other	34,032		525		—			34,557
Non-U.S. government and supranational bonds	36,185		265		(2,962		)	33,488
Asset-backed securities	173,894		4,742		(1,149		)	177,487
Corporate bonds	1,884,135		65,767		(54,374		)	1,895,528
Municipal bonds	62,183		4,181		—			66,364
Total AFS fixed maturities	3,657,447		109,296		(61,112		)	3,705,631
HTM fixed maturities:
Corporate bonds	607,170		19,310		(6,153		)	620,327
Total HTM fixed maturities	607,170		19,310		(6,153		)	620,327
Other investments	10,619		2,446		—			13,065
Total investments	$	4,275,236	$	131,052	$	(67,265	)	$	4,339,023



December 31, 2015	Original or amortized cost		Gross unrealized gains		Gross unrealized losses			Fair value
AFS fixed maturities:
U.S. treasury bonds	$	5,714	$	312	$	(16	)	$	6,010
U.S. agency bonds – mortgage-backed	1,471,782		15,399		(10,190		)	1,476,991
U.S. agency bonds – other	23,734		577		—			24,311
Non-U.S. government and supranational bonds	35,128		—		(4,584		)	30,544
Asset-backed securities	165,719		1,174		(1,089		)	165,804
Corporate bonds	1,798,610		38,070		(97,012		)	1,739,668
Municipal bonds	62,177		2,583		—			64,760
Total AFS fixed maturities	3,562,864		58,115		(112,891		)	3,508,088
HTM fixed maturities:
Corporate bonds	607,843		3,458		(12,326		)	598,975
Total HTM fixed maturities	607,843		3,458		(12,326		)	598,975
Other investments	10,816		1,091		(95		)	11,812
Total investments	$	4,181,523	$	62,664	$	(125,312	)	$	4,118,875

Contractual maturities of fixed maturities, available-for-sale

4. Investments (continued)



	AFS fixed maturities				HTM fixed maturities
March 31, 2016	Amortized cost		Fair value		Amortized cost		Fair value
Maturity
Due in one year or less	$	190,369	$	189,390	$	—	$	—
Due after one year through five years	467,505		473,535		102,001		102,567
Due after five years through ten years	1,326,518		1,332,587		505,169		517,760
Due after ten years	37,858		40,478		—		—
	2,022,250		2,035,990		607,170		620,327
U.S. agency bonds – mortgage-backed	1,461,303		1,492,154		—		—
Asset-backed securities	173,894		177,487		—		—
Total fixed maturities	$	3,657,447	$	3,705,631	$	607,170	$	620,327

Summary of available-for-sale securities and other investments in an unrealized loss position and the aggregate fair value and gross unrealized loss by length of time the securities have continuously been in an unrealized loss position



	Less than 12 Months					12 Months or more					Total
March 31, 2016	Fair value		Unrealized losses			Fair value		Unrealized losses			Fair value		Unrealized losses
Fixed maturities
U.S. treasury bonds	$	1,106	$	(27	)	$	—	$	—		$	1,106	$	(27	)
U.S. agency bonds – mortgage-backed	2,141		(6		)	145,087		(2,594		)	147,228		(2,600		)
Non–U.S. government and supranational bonds	947		(53		)	28,464		(2,909		)	29,411		(2,962		)
Asset-backed securities	40,630		(1,149		)	—		—			40,630		(1,149		)
Corporate bonds	232,453		(15,687		)	438,728		(44,840		)	671,181		(60,527		)
Total temporarily impaired fixed maturities	277,277		(16,922		)	612,279		(50,343		)	889,556		(67,265		)



	Less than 12 Months					12 Months or more					Total
December 31, 2015	Fair value		Unrealized losses			Fair value		Unrealized losses			Fair value		Unrealized losses
Fixed maturities
U.S treasury bonds	$	1,119	$	(16	)	$	—	$	—		$	1,119	$	(16	)
U.S. agency bonds – mortgage-backed	443,331		(4,113		)	170,053		(6,077		)	613,384		(10,190		)
Non–U.S. government and supranational bonds	6,958		(365		)	22,586		(4,219		)	29,544		(4,584		)
Asset-backed securities	89,838		(1,089		)	—		—			89,838		(1,089		)
Corporate bonds	752,911		(41,352		)	399,779		(67,986		)	1,152,690		(109,338		)
Total temporarily impaired fixed maturities	$	1,294,157	$	(46,935	)	$	592,418	$	(78,282	)	$	1,886,575	$	(125,217	)
Other investments	4,905		(95		)	—		—			4,905		(95		)
Total temporarily impaired fixed maturities and other investments	$	1,299,062	$	(47,030	)	$	592,418	$	(78,282	)	$	1,891,480	$	(125,312	)

Summary of the credit ratings of fixed maturities

The following summarizes the credit ratings of our fixed maturities:



Ratings* as of March 31, 2016	Amortized cost		Fair value		% of Total fair value
Fixed maturities
U.S. treasury bonds	$	5,715	$	6,053	0.1	%
U.S. agency bonds	1,495,335		1,526,711		35.3	%
AAA	167,508		174,635		4.0	%
AA+, AA, AA-	234,347		243,111		5.6	%
A+, A, A-	1,236,029		1,266,768		29.3	%
BBB+, BBB, BBB-	963,115		967,726		22.4	%
BB+ or lower	162,568		140,954		3.3	%
Total	$	4,264,617	$	4,325,958	100.0	%



Ratings* as of December 31, 2015	Amortized cost		Fair value		% of Total fair value
Fixed maturities
U.S. treasury bonds	$	5,714	$	6,010	0.1	%
U.S. agency bonds	1,495,516		1,501,302		36.6	%
AAA	170,190		170,391		4.1	%
AA+, AA, AA-	222,506		223,084		5.4	%
A+, A, A-	1,075,550		1,066,794		26.0	%
BBB+, BBB, BBB-	1,077,064		1,039,228		25.3	%
BB+ or lower	124,167		100,254		2.5	%
Total	$	4,170,707	$	4,107,063	100.0	%

*Based on Standard & Poor’s ("S&P"), or equivalent, ratings

Portfolio of other investments

The table below shows our portfolio of other investments:



	March 31, 2016				December 31, 2015
	Fair value		% of Total fair value		Fair value		% of Total fair value
Investment in quoted equity	$	6,300	48.2	%	$	4,905	41.5	%
Investments in limited partnerships	5,765		44.1	%	5,907		50.0	%
Other	1,000		7.7	%	1,000		8.5	%
Total other investments	$	13,065	100.0	%	$	11,812	100.0	%

Analysis of realized and unrealized gains on investment

The following provides an analysis of net realized gains on investment included in the unaudited Condensed Consolidated Statements of Income:



For the Three Months Ended March 31, 2016	Gross gains		Gross losses			Net
AFS fixed maturities	$	3,093	$	(879	)	$	2,214
Other investments	63		—			63
Net realized gains on investment	$	3,156	$	(879	)	$	2,277



For the Three Months Ended March 31, 2015	Gross gains		Gross losses		Net
AFS fixed maturities	$	845	$	—	$	845
Other investments	24		—		24
Net realized gains on investment	$	869	$	—	$	869

Net unrealized gains on available-for-sale securities and other investments

Proceeds from sales of AFS fixed maturities were $67,837 for the three months ended March 31, 2016 (March 31, 2015 - $56,639). Net unrealized gains were as follows:



	March 31, 2016			December 31, 2015
Fixed maturities	$	47,564		$	(55,024	)
Other investments	2,446			996
Total net unrealized gain (loss)	50,010			(54,028		)
Deferred income tax expense	(122		)	(84		)
Net unrealized gains, net of deferred income tax	$	49,888		$	(54,112	)
Change in net unrealized gains, net of deferred income tax	$	104,000

Fair value of restricted assets

The fair value of our restricted assets was as follows:

4. Investments (continued)



	March 31, 2016		December 31, 2015
Restricted cash and cash equivalents – third party agreements	$	48,672	$	102,837
Restricted cash and cash equivalents – related party agreements	96,758		139,944
Restricted cash and cash equivalents – U.S. state regulatory authorities	71		78
Total restricted cash and cash equivalents	145,501		242,859
Restricted investments AFS – in trust for third party agreements at fair value (Amortized cost: 2016 – $1,113,166; 2015 – $1,081,202)	1,130,246		1,067,602
Restricted investments AFS – in trust for related party agreements at fair value (Amortized cost: 2016 – $1,911,358; 2015 – $1,781,178)	1,937,527		1,754,705
Restricted investments HTM – in trust for related party agreements at fair value (Amortized cost: 2016 – $607,170; 2015 – $607,843)	620,327		598,975
Restricted investments AFS – in trust for U.S. state regulatory authorities (Amortized cost: 2016 – $4,077; 2015 – $4,071)	4,345		4,303
Total restricted investments	3,692,445		3,425,585
Total restricted cash and cash equivalents and investments	$	3,837,946	$	3,668,444

- Definition

Tabular disclosure of the realized and unrealized gains and losses reported in the statement of income which have resulted from the sale and holding of marketable securities, respectively, as well as the sale or disposal of cost method investments. Such amounts would include realized gains and losses on the sale or disposal of trading, available-for-sale, and held-to-maturity securities, unrealized gains and losses on trading securities, unrealized gains and losses on available-for-sale and held-to-maturity securities transferred to the trading securities category, realized gains and losses on the sale or disposal of cost method investments, and losses recognized for other than temporary impairments (OTTI) of such investments.

+ References + Details

Fair Value of Financial Instruments (Tables)

3 Months Ended

Mar. 31, 2016

Fair Value Disclosures [Abstract]

Fair value hierarchy of financial assets and financial liabilities measured on a recurring basis

We classified our financial instruments measured at fair value on a recurring basis in the following valuation hierarchy:



March 31, 2016	Quoted Prices in Active Markets for Identical Assets (Level 1)			Significant Other Observable Inputs (Level 2)			Significant Unobservable Inputs (Level 3)			Total Fair Value
AFS fixed maturities
U.S. treasury bonds	$	6,053		$	—		$	—		$	6,053
U.S. agency bonds – mortgage-backed	—			1,492,154			—			1,492,154
U.S. agency bonds – other	—			34,557			—			34,557
Non-U.S. government and supranational bonds	—			33,488			—			33,488
Asset-backed securities	—			177,487			—			177,487
Corporate bonds	—			1,895,528			—			1,895,528
Municipal bonds	—			66,364			—			66,364
Other investments	6,300			—			6,765			13,065
Total	$	12,353		$	3,699,578		$	6,765		$	3,718,696
As a percentage of total assets	0.2		%	60.5		%	0.1		%	60.8		%



December 31, 2015	Quoted Prices in Active Markets for Identical Assets (Level 1)			Significant Other Observable Inputs (Level 2)			Significant Unobservable Inputs (Level 3)			Total Fair Value
AFS fixed maturities
U.S. treasury bonds	$	6,010		$	—		$	—		$	6,010
U.S. agency bonds – mortgage-backed	—			1,476,991			—			1,476,991
U.S. agency bonds – other	—			24,311			—			24,311
Non-U.S. government and supranational bonds	—			30,544			—			30,544
Asset-backed securities	—			165,804			—			165,804
Corporate bonds	—			1,739,668			—			1,739,668
Municipal bonds	—			64,760			—			64,760
Other investments	4,905			—			6,907			11,812
Total	$	10,915		$	3,502,078		$	6,907		$	3,519,900
As a percentage of total assets	0.2		%	61.4		%	0.1		%	61.7		%

Changes in Level 3 for financial instruments measured at fair value on a recurring basis

The following table presents changes in Level 3 for our financial instruments measured at fair value on a recurring basis:



	For the Three Months Ended
Other investments:	March 31, 2016			March 31, 2015
Balance at beginning of period	$	6,907		$	6,581
Total realized gains – included in net realized gains on investment	63			24
Change in total unrealized gains – included in other comprehensive income (loss)	56			82
Purchases	46			97
Sales and redemptions	(307		)	(29		)
Transfers into Level 3	—			—
Transfers out of Level 3	—			—
Balance at end of period	$	6,765		$	6,755
Level 3 gains (losses) included in net income attributable to the change in unrealized gains (losses) relating to assets held at the reporting date	$	—		$	—

Carrying values and fair values of financial instruments

The following table presents the fair value and carrying value of the financial instruments not measured at fair value:



	March 31, 2016				December 31, 2015
	Carrying Value		Fair Value		Carrying Value		Fair Value
Financial Assets
HTM - corporate bonds	$	607,170	$	620,327	$	607,843	$	598,975
Total financial assets	$	607,170	$	620,327	$	607,843	$	598,975
Financial Liabilities
MHNA - 8.25%	$	107,500	$	108,833	$	107,500	$	110,424
MHNB - 8.00%	100,000		103,976		100,000		105,328
MHNC - 7.75%	152,500		165,676		152,500		165,456
Total financial liabilities	$	360,000	$	378,485	$	360,000	$	381,208

Earnings per Common Share (Tables)

3 Months Ended

Mar. 31, 2016

Earnings Per Share [Abstract]

Summary of elements used in calculating basic and diluted earnings per common share

The following is a summary of the elements used in calculating basic and diluted earnings per common share:



For the Three Months Ended March 31,	2016			2015
Numerator:
Net income attributable to Maiden shareholders	$	36,893		$	38,489
Dividends on preference shares - Series A	(3,094		)	(3,094		)
Dividends on convertible preference shares - Series B	(2,990		)	(2,990		)
Dividends on preference shares - Series C	(3,593		)	—
Amount allocated to participating common shareholders⁽¹⁾	(16		)	(26		)
Numerator for basic EPS - net income allocated to Maiden common shareholders	$	27,200		$	32,379
Potentially dilutive securities
Dividends on convertible preference shares- Series B	2,990			2,990
Numerator for diluted EPS - net income allocated to Maiden common shareholders after assumed conversion	$	30,190		$	35,369
Denominator:
Weighted average number of common shares outstanding – basic	73,871,277			73,084,412
Potentially dilutive securities:
Share options and restricted share units	1,051,458			1,427,725
Convertible preference shares⁽²⁾	10,876,642			10,751,648
Adjusted weighted average number of common shares and assumed conversions – diluted	85,799,377			85,263,785
Basic earnings per share attributable to Maiden common shareholders:	$	0.37		$	0.44
Diluted earnings per share attributable to Maiden common shareholders:	$	0.35		$	0.41

7. Earnings per Common Share (continued)

(1) This represents earnings allocated to the holders of non-vested restricted shares issued to the Company's employees under the 2007 Share Incentive Plan.

Shareholders' Equity (Tables)

3 Months Ended

Mar. 31, 2016

Stockholders' Equity Note [Abstract]

Schedule of accumulated other comprehensive income

The following tables set forth financial information regarding the changes in the balances of each component of AOCI:



For the Three Months Ended March 31, 2016	Change in net unrealized gains on investments			Foreign currency translation adjustments			Total
Beginning balance	$	(54,112	)	$	30,231		$	(23,881	)
Other comprehensive loss before reclassifications	103,368			(10,734		)	92,634
Amounts reclassified from AOCI to net income, net of tax	632			—			632
Net current period other comprehensive income (loss)	104,000			(10,734		)	93,266
Ending balance	49,888			19,497			69,385
Less: AOCI attributable to non controlling interest	—			(85		)	(85		)
Ending balance, Maiden shareholders	$	49,888		$	19,582		$	69,470



For the Three Months Ended March 31, 2015	Change in net unrealized gains on investments			Foreign currency translation adjustments			Total
Beginning balance	$	78,579		$	16,665		$	95,244
Other comprehensive (loss) income before reclassifications	(6,934		)	18,935			12,001
Amounts reclassified from AOCI to net income, net of tax	149			—			149
Net current period other comprehensive (loss) income	(6,785		)	18,935			12,150
Ending balance	71,794			35,600			107,394
Less: AOCI attributable to non controlling interest	—			(104		)	(104		)
Ending balance, Maiden shareholders	$	71,794		$	35,704		$	107,498

Subsequent Events (Tables)

3 Months Ended

Mar. 31, 2016

Subsequent Events [Abstract]

Schedule of subsequent events

On May 4, 2016, the Company's Board of Directors authorized the following quarterly dividends:



	Dividend per Share		Payable on:	Record date:
Common shares	$	0.14	July 15, 2016	July 1, 2016
Preference shares - Series A	$	0.515625	June 15, 2016	June 1, 2016
Preference shares - Series B	$	0.90625	June 15, 2016	June 1, 2016
Preference shares - Series C	$	0.445313	June 15, 2016	June 1, 2016

Significant Accounting Policies (Details) - ASU 2015-03 $ in Thousands	Dec. 31, 2015 USD ($)
Total assets
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Unamortized issuance costs related to senior notes	$ (10,067)
Total liabilities
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Unamortized issuance costs related to senior notes	$ 10,067

Segment Reporting - Net Income (Loss) and Total Assets (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2016 USD ($) Segment	Mar. 31, 2015 USD ($)	Dec. 31, 2015 USD ($)
Segment Reporting Information [Line Items]
Number of reporting segments \| Segment	2
Net Income (Loss) [Abstract]
Gross premiums written	$ 864,114	$ 834,266
Net premiums written	792,831	796,983
Net premiums earned	616,009	577,319
Other insurance revenue	4,826	4,979
Net loss and loss adjustment expenses	(403,621)	(377,406)
Commission and other acquisition expenses	(195,068)	(178,342)
General and administrative expenses	(9,186)	(10,067)
Underwriting income (loss)	12,960	16,483
Reconciliation to net income
Net investment income and realized gains on investment	38,579	29,129
Interest and amortization expenses	(7,265)	(7,264)
Amortization of intangible assets	(615)	(710)
Foreign exchange and other gains	267	7,826
Other general and administrative expenses	(6,310)	(6,130)
Income tax expense	(787)	(800)
Net income	$ 36,829	$ 38,534
Net loss and loss adjustment expense ratio	65.00%	64.80%
Commission and other acquisition expense ratio	31.40%	30.60%
General and administrative expense ratio	2.50%	2.80%
Combined ratio	98.90%	98.20%
Assets [Abstract]
Total assets - reportable segments	$ 5,295,213		$ 4,823,400
Corporate assets	824,460		880,178
Total assets	6,119,673		5,703,578
Diversified Reinsurance Segment [Member]
Net Income (Loss) [Abstract]
Gross premiums written	315,804	$ 305,341
Net premiums written	286,136	294,198
Net premiums earned	172,256	192,684
Other insurance revenue	4,826	4,979
Net loss and loss adjustment expenses	(119,076)	(132,386)
Commission and other acquisition expenses	(54,531)	(58,206)
General and administrative expenses	(8,600)	(9,320)
Underwriting income (loss)	$ (5,125)	$ (2,249)
Reconciliation to net income
Net loss and loss adjustment expense ratio	67.20%	67.00%
Commission and other acquisition expense ratio	30.80%	29.40%
General and administrative expense ratio	4.90%	4.70%
Combined ratio	102.90%	101.10%
Assets [Abstract]
Total assets - reportable segments	$ 1,803,795		1,644,541
Corporate assets	0		0
Total assets	1,803,795		1,644,541
AmTrust Reinsurance Segment [Member]
Net Income (Loss) [Abstract]
Gross premiums written	548,310	$ 528,926
Net premiums written	506,695	502,784
Net premiums earned	443,753	384,633
Other insurance revenue	0	0
Net loss and loss adjustment expenses	(281,774)	(243,094)
Commission and other acquisition expenses	(140,538)	(120,136)
General and administrative expenses	(586)	(747)
Underwriting income (loss)	$ 20,855	$ 20,656
Reconciliation to net income
Net loss and loss adjustment expense ratio	63.50%	63.20%
Commission and other acquisition expense ratio	31.70%	31.20%
General and administrative expense ratio	0.10%	0.20%
Combined ratio	95.30%	94.60%
Assets [Abstract]
Total assets - reportable segments	$ 3,491,418		3,178,859
Corporate assets	0		0
Total assets	3,491,418		$ 3,178,859
Other Category [Member]
Net Income (Loss) [Abstract]
Gross premiums written	0	$ (1)
Net premiums written	0	1
Net premiums earned	0	2
Other insurance revenue	0	0
Net loss and loss adjustment expenses	(2,771)	(1,926)
Commission and other acquisition expenses	1	0
General and administrative expenses	0	0
Underwriting income (loss)	$ (2,770)	$ (1,924)

Segment Reporting - Net Premiums (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Segment Reporting, Revenue Reconciling Item [Line Items]
Net premiums written	$ 792,831	$ 796,983
% of Total Net premiums written	100.00%	100.00%
Net premiums earned	$ 616,009	$ 577,319
% of Total Net premiums earned	100.00%	100.00%
Diversified Reinsurance Segment [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Net premiums written	$ 286,136	$ 294,198
% of Total Net premiums written	36.10%	36.90%
Net premiums earned	$ 172,256	$ 192,684
% of Total Net premiums earned	28.00%	33.30%
AmTrust Reinsurance Segment [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Net premiums written	$ 506,695	$ 502,784
% of Total Net premiums written	63.90%	63.10%
Net premiums earned	$ 443,753	$ 384,633
% of Total Net premiums earned	72.00%	66.70%
Other Category [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Net premiums written	$ 0	$ 1
% of Total Net premiums written	0.00%	0.00%
Net premiums earned	$ 0	$ 2
% of Total Net premiums earned	0.00%	0.00%
Property [Member] \| Diversified Reinsurance Segment [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Net premiums written	$ 61,869	$ 68,514
% of Total Net premiums written	7.80%	8.60%
Net premiums earned	$ 32,710	$ 40,623
% of Total Net premiums earned	5.30%	7.00%
Casualty [Member] \| Diversified Reinsurance Segment [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Net premiums written	$ 155,280	$ 171,531
% of Total Net premiums written	19.60%	21.50%
Net premiums earned	$ 100,166	$ 118,938
% of Total Net premiums earned	16.30%	20.60%
Accident and Health [Member] \| Diversified Reinsurance Segment [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Net premiums written	$ 39,572	$ 30,107
% of Total Net premiums written	5.00%	3.80%
Net premiums earned	$ 17,804	$ 12,201
% of Total Net premiums earned	2.90%	2.10%
International [Member] \| Diversified Reinsurance Segment [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Net premiums written	$ 29,415	$ 24,046
% of Total Net premiums written	3.70%	3.00%
Net premiums earned	$ 21,576	$ 20,922
% of Total Net premiums earned	3.50%	3.60%
Small Commercial Business [Member] \| AmTrust Reinsurance Segment [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Net premiums written	$ 362,499	$ 323,201
% of Total Net premiums written	45.70%	40.50%
Net premiums earned	$ 264,491	$ 224,991
% of Total Net premiums earned	42.90%	39.00%
Specialty Program [Member] \| AmTrust Reinsurance Segment [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Net premiums written	$ 76,791	$ 74,580
% of Total Net premiums written	9.70%	9.40%
Net premiums earned	$ 84,199	$ 57,010
% of Total Net premiums earned	13.70%	9.90%
Specialty Risk and Extended Warranty [Member] \| AmTrust Reinsurance Segment [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Net premiums written	$ 67,405	$ 105,003
% of Total Net premiums written	8.50%	13.20%
Net premiums earned	$ 95,063	$ 102,632
% of Total Net premiums earned	15.40%	17.80%

Investments - Schedule of Investments Reconciliation (Details) - USD ($) $ in Thousands	3 Months Ended
	Sep. 30, 2015	Mar. 31, 2016	Dec. 31, 2015
Schedule of Investments [Abstract]
Fair value of securities transferred from AFS to HTM	$ 608,722
AFS transferred to HTM securities, unrealized gain	$ 244
Schedule of Investments [Line Items]
Fixed Maturities, available-for-sale, Original or amortized cost		$ 3,657,447	$ 3,562,864
Fixed Maturities, available-for-sale, Gross unrealized gains		109,296	58,115
Fixed Maturities, available-for-sale, Gross unrealized losses		(61,112)	(112,891)
Fixed Maturities, available-for-sale, Fair value		3,705,631	3,508,088
Fixed Maturities, held-to-maturity, Original or amortized cost		607,170	607,843
Fixed Maturities, held-to-maturity, Gross unrealized gains		19,310	3,458
Fixed Maturities, held-to-maturity, Gross unrealized losses		(6,153)	(12,326)
Fixed Maturities, held-to-maturity, Fair value		620,327	598,975
Other Investments, Original or amortized cost		10,619	10,816
Other Investments, Gross unrealized gains		2,446	1,091
Other Investments, Gross unrealized losses		0	(95)
Other investments		13,065	11,812
Total investments, Original or amortized cost		4,275,236	4,181,523
Investments, Gross unrealized gains		131,052	62,664
Investments, Gross unrealized losses		(67,265)	(125,312)
Total investments		4,339,023	4,118,875
U.S. treasury bonds [Member]
Schedule of Investments [Line Items]
Fixed Maturities, available-for-sale, Original or amortized cost		5,715	5,714
Fixed Maturities, available-for-sale, Gross unrealized gains		365	312
Fixed Maturities, available-for-sale, Gross unrealized losses		(27)	(16)
Fixed Maturities, available-for-sale, Fair value		6,053	6,010
U.S. agency bonds – mortgage-backed [Member]
Schedule of Investments [Line Items]
Fixed Maturities, available-for-sale, Original or amortized cost		1,461,303	1,471,782
Fixed Maturities, available-for-sale, Gross unrealized gains		33,451	15,399
Fixed Maturities, available-for-sale, Gross unrealized losses		(2,600)	(10,190)
Fixed Maturities, available-for-sale, Fair value		1,492,154	1,476,991
U.S. agency bonds – other [Member]
Schedule of Investments [Line Items]
Fixed Maturities, available-for-sale, Original or amortized cost		34,032	23,734
Fixed Maturities, available-for-sale, Gross unrealized gains		525	577
Fixed Maturities, available-for-sale, Gross unrealized losses		0	0
Fixed Maturities, available-for-sale, Fair value		34,557	24,311
Non-U.S. government and supranational bonds [Member]
Schedule of Investments [Line Items]
Fixed Maturities, available-for-sale, Original or amortized cost		36,185	35,128
Fixed Maturities, available-for-sale, Gross unrealized gains		265	0
Fixed Maturities, available-for-sale, Gross unrealized losses		(2,962)	(4,584)
Fixed Maturities, available-for-sale, Fair value		33,488	30,544
Asset-backed securities [Member]
Schedule of Investments [Line Items]
Fixed Maturities, available-for-sale, Original or amortized cost		173,894	165,719
Fixed Maturities, available-for-sale, Gross unrealized gains		4,742	1,174
Fixed Maturities, available-for-sale, Gross unrealized losses		(1,149)	(1,089)
Fixed Maturities, available-for-sale, Fair value		177,487	165,804
Corporate bonds [Member]
Schedule of Investments [Line Items]
Fixed Maturities, available-for-sale, Original or amortized cost		1,884,135	1,798,610
Fixed Maturities, available-for-sale, Gross unrealized gains		65,767	38,070
Fixed Maturities, available-for-sale, Gross unrealized losses		(54,374)	(97,012)
Fixed Maturities, available-for-sale, Fair value		1,895,528	1,739,668
Fixed Maturities, held-to-maturity, Original or amortized cost		607,170	607,843
Fixed Maturities, held-to-maturity, Gross unrealized gains		19,310	3,458
Fixed Maturities, held-to-maturity, Gross unrealized losses		(6,153)	(12,326)
Fixed Maturities, held-to-maturity, Fair value		620,327	598,975
Municipal bonds [Member]
Schedule of Investments [Line Items]
Fixed Maturities, available-for-sale, Original or amortized cost		62,183	62,177
Fixed Maturities, available-for-sale, Gross unrealized gains		4,181	2,583
Fixed Maturities, available-for-sale, Gross unrealized losses		0	0
Fixed Maturities, available-for-sale, Fair value		$ 66,364	$ 64,760

Investments - Contractual Maturities (Details) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
HTM fixed maturities, Amortized cost
Due in one year or less	$ 0
Due after one year through five years	102,001
Due after five years through ten years	505,169
Due after ten years	0
Total before securities without single maturities, Amortized cost	607,170
Fixed Maturities, held-to-maturity, Amortized cost	607,170
HTM fixed maturities, Fair value
Due in one year or less	0
Due after one year through five years	102,567
Due after five years through ten years	517,760
Due after ten years	0
Total before securities without single maturities, Fair value	620,327
Fixed Maturities, held-to-maturity, Fair Value	620,327	$ 598,975
AFS fixed maturities, Amortized cost
Due in one year or less	190,369
Due after one year through five years	467,505
Due after five years through ten years	1,326,518
Due after five years through ten years	37,858
Total before securities without single maturities, Amortized cost	2,022,250
Fixed Maturities, available-for-sale, Amortized cost	3,657,447	3,562,864
AFS fixed maturities, Fair value
Due in one year or less	189,390
Due after one year through five years	473,535
Due after five years through ten years	1,332,587
Due after ten years	40,478
Total before securities without single maturities, Fair value	2,035,990
Fixed Maturities, available-for-sale, Fair value	3,705,631	3,508,088
U.S. agency bonds – mortgage-backed [Member]
HTM fixed maturities, Amortized cost
Amortized cost of securities without single maturities	0
HTM fixed maturities, Fair value
Fair value of securities without single maturities	0
AFS fixed maturities, Amortized cost
Amortized cost of securities without single maturities	1,461,303
Fixed Maturities, available-for-sale, Amortized cost	1,461,303	1,471,782
AFS fixed maturities, Fair value
Fair value of securities without single maturities	1,492,154
Fixed Maturities, available-for-sale, Fair value	1,492,154	1,476,991
Asset-backed securities [Member]
HTM fixed maturities, Amortized cost
Amortized cost of securities without single maturities	0
HTM fixed maturities, Fair value
Fair value of securities without single maturities	0
AFS fixed maturities, Amortized cost
Amortized cost of securities without single maturities	173,894
Fixed Maturities, available-for-sale, Amortized cost	173,894	165,719
AFS fixed maturities, Fair value
Fair value of securities without single maturities	177,487
Fixed Maturities, available-for-sale, Fair value	$ 177,487	$ 165,804

Investments - Fair Value and Unrealized Losses (Details) $ in Thousands	Mar. 31, 2016 USD ($) security	Dec. 31, 2015 USD ($) security
Fixed maturities, Fair value
Less than 12 Months, Fair value	$ 277,277	$ 1,294,157
12 Months or More, Fair value	612,279	592,418
Total, Fair value	889,556	1,886,575
Fixed maturities, Unrealized losses
Less than 12 months, Unrealized losses	(16,922)	(46,935)
12 months or more, Unrealized losses	(50,343)	(78,282)
Total, Unrealized losses	(67,265)	(125,217)
Investments, Fair Value
Less than 12 Months, Fair value		1,299,062
12 Months or More, Fair value	612,279	592,418
Total, Fair value	889,556	1,891,480
Investments, Unrealized losses
Less than 12 months, Unrealized losses		(47,030)
12 months or more, Unrealized losses	(50,343)	(78,282)
Total, Unrealized losses	$ (67,265)	$ (125,312)
Number of securities in an unrealized loss position \| security	168	270
Number of securities in an unrealized loss position for 12 months or greater \| security	98	93
U.S. treasury bonds [Member]
Fixed maturities, Fair value
Less than 12 Months, Fair value	$ 1,106	$ 1,119
12 Months or More, Fair value	0	0
Total, Fair value	1,106	1,119
Fixed maturities, Unrealized losses
Less than 12 months, Unrealized losses	(27)	(16)
12 months or more, Unrealized losses	0	0
Total, Unrealized losses	(27)	(16)
U.S. agency bonds – mortgage-backed [Member]
Fixed maturities, Fair value
Less than 12 Months, Fair value	2,141	443,331
12 Months or More, Fair value	145,087	170,053
Total, Fair value	147,228	613,384
Fixed maturities, Unrealized losses
Less than 12 months, Unrealized losses	(6)	(4,113)
12 months or more, Unrealized losses	(2,594)	(6,077)
Total, Unrealized losses	(2,600)	(10,190)
Non-U.S. government and supranational bonds [Member]
Fixed maturities, Fair value
Less than 12 Months, Fair value	947	6,958
12 Months or More, Fair value	28,464	22,586
Total, Fair value	29,411	29,544
Fixed maturities, Unrealized losses
Less than 12 months, Unrealized losses	(53)	(365)
12 months or more, Unrealized losses	(2,909)	(4,219)
Total, Unrealized losses	(2,962)	(4,584)
Asset-backed securities [Member]
Fixed maturities, Fair value
Less than 12 Months, Fair value	40,630	89,838
12 Months or More, Fair value	0	0
Total, Fair value	40,630	89,838
Fixed maturities, Unrealized losses
Less than 12 months, Unrealized losses	(1,149)	(1,089)
12 months or more, Unrealized losses	0	0
Total, Unrealized losses	(1,149)	(1,089)
Corporate bonds [Member]
Fixed maturities, Fair value
Less than 12 Months, Fair value	232,453	752,911
12 Months or More, Fair value	438,728	399,779
Total, Fair value	671,181	1,152,690
Fixed maturities, Unrealized losses
Less than 12 months, Unrealized losses	(15,687)	(41,352)
12 months or more, Unrealized losses	(44,840)	(67,986)
Total, Unrealized losses	$ (60,527)	(109,338)
Other investments [Member]
Investments, Fair Value
Less than 12 Months, Fair value		4,905
12 Months or More, Fair value		0
Total, Fair value		4,905
Investments, Unrealized losses
Less than 12 months, Unrealized losses		(95)
12 months or more, Unrealized losses		0
Total, Unrealized losses		$ (95)

Investments - Credit Ratings (Details) - USD ($)	3 Months Ended
Investments - Credit Ratings (Details) - USD ($)	Mar. 31, 2016	Mar. 31, 2015	Dec. 31, 2015
Schedule of Fixed Maturities Table [Line Items]
OTTI	$ 0	$ 0
Fixed Maturities, Amortized cost	4,264,617,000		$ 4,170,707,000
Fixed Maturities, Fair value	$ 4,325,958,000		$ 4,107,063,000
Fixed maturities, % of Total fair value	100.00%		100.00%
AAA [Member]
Schedule of Fixed Maturities Table [Line Items]
Fixed Maturities, Amortized cost	$ 167,508,000		$ 170,190,000
Fixed Maturities, Fair value	$ 174,635,000		$ 170,391,000
Fixed maturities, % of Total fair value	4.00%		4.10%
AA Plus, AA, AA Minus [Member]
Schedule of Fixed Maturities Table [Line Items]
Fixed Maturities, Amortized cost	$ 234,347,000		$ 222,506,000
Fixed Maturities, Fair value	$ 243,111,000		$ 223,084,000
Fixed maturities, % of Total fair value	5.60%		5.40%
A Plus, A, A Minus [Member]
Schedule of Fixed Maturities Table [Line Items]
Fixed Maturities, Amortized cost	$ 1,236,029,000		$ 1,075,550,000
Fixed Maturities, Fair value	$ 1,266,768,000		$ 1,066,794,000
Fixed maturities, % of Total fair value	29.30%		26.00%
BBB Plus, BBB, BBB Minus [Member]
Schedule of Fixed Maturities Table [Line Items]
Fixed Maturities, Amortized cost	$ 963,115,000		$ 1,077,064,000
Fixed Maturities, Fair value	$ 967,726,000		$ 1,039,228,000
Fixed maturities, % of Total fair value	22.40%		25.30%
BB Plus or Lower [Member]
Schedule of Fixed Maturities Table [Line Items]
Fixed Maturities, Amortized cost	$ 162,568,000		$ 124,167,000
Fixed Maturities, Fair value	$ 140,954,000		$ 100,254,000
Fixed maturities, % of Total fair value	3.30%		2.50%
U.S. treasury bonds [Member]
Schedule of Fixed Maturities Table [Line Items]
Fixed Maturities, Amortized cost	$ 5,715,000		$ 5,714,000
Fixed Maturities, Fair value	$ 6,053,000		$ 6,010,000
Fixed maturities, % of Total fair value	0.10%		0.10%
U.S. agency bonds [Member]
Schedule of Fixed Maturities Table [Line Items]
Fixed Maturities, Amortized cost	$ 1,495,335,000		$ 1,495,516,000
Fixed Maturities, Fair value	$ 1,526,711,000		$ 1,501,302,000
Fixed maturities, % of Total fair value	35.30%		36.60%

Investments - Other Investments (Details) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Schedule of Investments [Line Items]
Other investments	$ 13,065	$ 11,812
% of Total fair value	100.00%	100.00%
Investment in quoted equity [Member]
Schedule of Investments [Line Items]
Other investments	$ 6,300	$ 4,905
% of Total fair value	48.20%	41.50%
Investments in limited partnerships [Member]
Schedule of Investments [Line Items]
Other investments	$ 5,765	$ 5,907
% of Total fair value	44.10%	50.00%
Unfunded commitment on investments in limited partnerships	$ 593
Other [Member]
Schedule of Investments [Line Items]
Other investments	$ 1,000	$ 1,000
% of Total fair value	7.70%	8.50%

Investments - Net Realized and Unrealized Gains on Investment (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015	Dec. 31, 2015
Gain (Loss) on Investments [Line Items]
Gross gains	$ 3,156	$ 869
Gross losses	(879)	0
Realized gains, Net	2,277	869
Proceeds from sales of fixed maturities classified as available-for-sale	67,837	56,639
Net unrealized gains	50,010		$ (54,028)
Deferred income tax expense	(122)		(84)
Net unrealized gains, net of deferred income tax	49,888		(54,112)
Change in net unrealized gains, net of deferred income tax	104,000
Fixed Maturities [Member]
Gain (Loss) on Investments [Line Items]
Net unrealized gains	47,564		(55,024)
Available-for-sale securities [Member] \| Fixed Maturities [Member]
Gain (Loss) on Investments [Line Items]
Gross gains	3,093	845
Gross losses	(879)	0
Realized gains, Net	2,214	845
Other investments [Member]
Gain (Loss) on Investments [Line Items]
Gross gains	63	24
Gross losses	0	0
Realized gains, Net	63	$ 24
Net unrealized gains	$ 2,446		$ 996

Investments - Restricted Cash and Investments (Details) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Restricted Cash and Investments Items [Line Items]
Restricted cash and cash equivalents	$ 145,501	$ 242,859
Restricted investments	3,692,445	3,425,585
Restricted cash and investments	3,837,946	3,668,444
Amortized cost	4,275,236	4,181,523
Third party agreements [Member]
Restricted Cash and Investments Items [Line Items]
Restricted cash and cash equivalents	48,672	102,837
Restricted investments	1,130,246	1,067,602
Amortized cost	1,113,166	1,081,202
Related party agreements [Member]
Restricted Cash and Investments Items [Line Items]
Restricted cash and cash equivalents	96,758	139,944
Restricted investments	1,937,527	1,754,705
Amortized cost	1,911,358	1,781,178
HTM related party agreements [Member]
Restricted Cash and Investments Items [Line Items]
Restricted investments	620,327	598,975
Amortized cost	607,170	607,843
US state regulatory authorities [Member]
Restricted Cash and Investments Items [Line Items]
Restricted cash and cash equivalents	71	78
Restricted investments	4,345	4,303
Amortized cost	$ 4,077	$ 4,071

Fair Value of Financial Instruments - Changes in Level 3 Financial Instruments (Details) - Other investments [Member] - Fair Value, Measurements, Recurring [Member] - Significant Unobservable Inputs (Level 3) [Member] - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Balance at beginning of period	$ 6,907	$ 6,581
Total realized gains – included in net realized gains on investment	63	24
Change in total unrealized gains – included in other comprehensive income (loss)	56	82
Purchases	46	97
Sales and redemptions	(307)	(29)
Transfers into Level 3	0	0
Transfers out of Level 3	0	0
Balance at end of period	6,765	6,755
Level 3 gains (losses) included in net income attributable to the change in unrealized gains (losses) relating to assets held at the reporting date	$ 0	$ 0

Fair Value of Financial Instruments - Fair Value of Liabilities (Details) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Financial Assets	$ 4,339,023	$ 4,118,875
Carrying Value [Member] \| Significant Other Observable Inputs (Level 2) [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Financial Assets	607,170	607,843
Financial Liabilities	360,000	360,000
Fair Value [Member] \| Significant Other Observable Inputs (Level 2) [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Financial Assets	620,327	598,975
Financial Liabilities	378,485	381,208
Senior Notes [Member] \| Carrying Value [Member] \| Significant Other Observable Inputs (Level 2) [Member] \| MHNA - 8.25% [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Financial Liabilities	$ 107,500	107,500
Stated interest rate	8.25%
Senior Notes [Member] \| Carrying Value [Member] \| Significant Other Observable Inputs (Level 2) [Member] \| MHNB - 8.00% [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Financial Liabilities	$ 100,000	100,000
Stated interest rate	8.00%
Senior Notes [Member] \| Carrying Value [Member] \| Significant Other Observable Inputs (Level 2) [Member] \| MHNC - 7.75% [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Financial Liabilities	$ 152,500	152,500
Stated interest rate	7.75%
Senior Notes [Member] \| Fair Value [Member] \| Significant Other Observable Inputs (Level 2) [Member] \| MHNA - 8.25% [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Financial Liabilities	$ 108,833	110,424
Senior Notes [Member] \| Fair Value [Member] \| Significant Other Observable Inputs (Level 2) [Member] \| MHNB - 8.00% [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Financial Liabilities	103,976	105,328
Senior Notes [Member] \| Fair Value [Member] \| Significant Other Observable Inputs (Level 2) [Member] \| MHNC - 7.75% [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Financial Liabilities	165,676	165,456
Corporate bonds [Member] \| Held-to-maturity securities [Member] \| Carrying Value [Member] \| Significant Other Observable Inputs (Level 2) [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Financial Assets	607,170	607,843
Corporate bonds [Member] \| Held-to-maturity securities [Member] \| Fair Value [Member] \| Significant Other Observable Inputs (Level 2) [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Financial Assets	$ 620,327	$ 598,975

Related Party Transactions - AmTrust (Details)									3 Months Ended		12 Months Ended
Related Party Transactions - AmTrust (Details)	Mar. 07, 2013	Apr. 01, 2012 USD ($)	Jan. 01, 2012 EUR (€)	Apr. 01, 2011 EUR (€)	Mar. 01, 2011	Sep. 01, 2010	Jun. 11, 2008	Jul. 01, 2007 USD ($)	Mar. 31, 2016 USD ($)	Mar. 31, 2015 USD ($)	Dec. 31, 2015 USD ($)
Related Party Transaction [Line Items]
Net premiums earned									$ 616,009,000	$ 577,319,000
Loan to related party									$ 167,975,000		$ 167,975,000
Founding Shareholders [Member]
Related Party Transaction [Line Items]
Noncontrolling interest, ownership percentage									20.30%
AmTrust Financial Services, Inc. [Member]
Related Party Transaction [Line Items]
Loan to related party									$ 167,975,000		167,975,000
AmTrust Financial Services, Inc. [Member] \| AmTrust Quota Share Reinsurance Agreement [Member]
Related Party Transaction [Line Items]
Percent of premiums written, net of cost of unaffiliated inuring reinsurance from related party								40.00%
Percent of losses with respect to current lines of business, excluding those above covered business threshold to related party								40.00%
Commission rate, percent of ceded written premiums							34.375%	31.00%
Contract extension	3 years
Cancellation notice period	9 months
Cancellation notice period upon the occurrence of certain early termination events	30 days
Early termination events, reduction threshold of stockholders' equity	50.00%
Consideration paid for agreement to commute certain liabilities including unearned premiums and loss reserves											107,000,000
AmTrust Financial Services, Inc. [Member] \| AmTrust Quota Share Reinsurance Agreement [Member] \| Minimum [Member]
Related Party Transaction [Line Items]
Commission rate, adjustment criteria, loss ratio floor								81.50%
AmTrust Financial Services, Inc. [Member] \| AmTrust Quota Share Reinsurance Agreement [Member] \| Maximum [Member]
Related Party Transaction [Line Items]
Commission rate, adjustment criteria, loss ratio ceiling								95.00%
AmTrust Financial Services, Inc. [Member] \| AmTrust European Hospital Liability Quota Share Agreement [Member]
Related Party Transaction [Line Items]
Commission rate, percent of ceded written premiums				5.00%
Premiums and losses related to policies				40.00%
Maximum limit of liability attaching \| €			€ 10,000	€ 5,000
Percent basis currency equivalent of maximum limit of liability attaching				100.00%
AmTrust Financial Services, Inc. [Member] \| AmTrust Technology Reinsurance Agreement [Member]
Related Party Transaction [Line Items]
Commission rate, percent of ceded written premiums						5.00%
Percent of credit insurance business to cede						90.00%
Percent of general liability business to cede						100.00%
AmTrust Financial Services, Inc. [Member] \| AmTrust NA Reinsurance Agreement [Member]
Related Party Transaction [Line Items]
Agreement period		1 year
Net premiums earned									192,000	156,000
Reinsurance coverage threshold		$ 1,000,000
AmTrust Financial Services, Inc. [Member] \| Reinsurer Trust Assets Collateral Agreement [Member]
Related Party Transaction [Line Items]
Collateral held by related party									2,397,086,000		2,256,383,000
Accrued interest on collateral held by related party									$ 16,745,000		15,448,000
AmTrust Financial Services, Inc. [Member] \| Reinsurance Brokerage Agreements [Member]
Related Party Transaction [Line Items]
Cancellation notice period				30 days
Brokerage fee, percent of premium assumed								1.25%
AmTrust Financial Services, Inc. [Member] \| Asset Management Agreement [Member]
Related Party Transaction [Line Items]
Cancellation notice period								30 days
Quarterly brokerage fee, portfolio threshold								$ 1,000,000,000
Quarterly brokerage fee, above portfolio threshold, percent of average holdings								0.0375%
AmTrust Financial Services, Inc. [Member] \| AmTrust Time Sharing Agreement [Member]
Related Party Transaction [Line Items]
Contract extension					1 year
AmTrust Financial Services, Inc. [Member] \| Founding Shareholders [Member]
Related Party Transaction [Line Items]
Controlling interest, ownership percentage									47.90%
National General Holdings Corp. [Member] \| AmTrust Financial Services, Inc. [Member]
Related Party Transaction [Line Items]
Noncontrolling interest, ownership percentage									11.60%
National General Holdings Corp. [Member] \| Michael Karfunkel 2005 Grantor Retained Annuity Trust [Member]
Related Party Transaction [Line Items]
Noncontrolling interest, ownership percentage									43.10%
London Interbank Offered Rate (LIBOR) [Member] \| AmTrust Financial Services, Inc. [Member]
Related Party Transaction [Line Items]
Loan to related party, Basis spread on LIBOR									0.90%
Commission Expense [Member] \| AmTrust Financial Services, Inc. [Member] \| Quota Share Reinsurance Agreements [Member]
Related Party Transaction [Line Items]
Expenses recorded from related party transactions									$ 141,051,000	117,202,000
Commission Expense [Member] \| AmTrust Financial Services, Inc. [Member] \| AmTrust Technology Reinsurance Agreement [Member]
Related Party Transaction [Line Items]
Expenses recorded from related party transactions									1,000	1,000
Commission Expense [Member] \| AmTrust Financial Services, Inc. [Member] \| AmTrust NA Reinsurance Agreement [Member]
Related Party Transaction [Line Items]
Expenses recorded from related party transactions									51,000	37,000
Premiums Earned [Member] \| AmTrust Financial Services, Inc. [Member] \| AmTrust Technology Reinsurance Agreement [Member]
Related Party Transaction [Line Items]
Revenue from related parties									7,000	24,000
Brokerage Expense [Member] \| AmTrust Financial Services, Inc. [Member] \| Reinsurance Brokerage Agreements [Member]
Related Party Transaction [Line Items]
Expenses recorded from related party transactions									5,788,000	4,880,000
Reserve for loss and loss adjustment expenses									14,556,000		$ 13,464,000
Investment Management Fees [Member] \| AmTrust Financial Services, Inc. [Member] \| Asset Management Agreement [Member]
Related Party Transaction [Line Items]
Expenses recorded from related party transactions									1,645,000	1,431,000
Aircraft Expenses [Member] \| AmTrust Financial Services, Inc. [Member] \| AmTrust Time Sharing Agreement [Member]
Related Party Transaction [Line Items]
Expenses recorded from related party transactions									$ 22,000	$ 24,000

Related Party Transactions - NGHC (Details) - USD ($)			3 Months Ended
Related Party Transactions - NGHC (Details) - USD ($)	Apr. 01, 2015	Mar. 01, 2010	Mar. 31, 2016	Mar. 31, 2015
Related Party Transaction [Line Items]
Premiums earned			$ 616,009,000	$ 577,319,000
National General Holdings Corp. [Member] \| NGHC Quota Share Reinsurance Agreement [Member]
Related Party Transaction [Line Items]
Percent participation in quota share by subsidiary		50.00%
Percentage of net premiums received on personal lines automobile business		25.00%
Percent of net losses related to premiums of personal lines business assumed by reinsurers		25.00%
National General Holdings Corp. [Member] \| NGHC Quota Share Reinsurance Agreement [Member] \| Commission Expense [Member]
Related Party Transaction [Line Items]
Expenses recorded from related party transactions			0	0
National General Holdings Corp. [Member] \| NGHC Subsidiaries Reinsurance Agreement [Member] \| Medical Excess of Loss Reinsurance Agreement [Member]
Related Party Transaction [Line Items]
Maximum limit of liability	$ 2,000,000
Premiums earned			149,000	$ 87,000
National General Holdings Corp. [Member] \| NGHC Subsidiaries Reinsurance Agreement [Member] \| Medical Excess of Loss Reinsurance Agreement [Member] \| Layer One [Member]
Related Party Transaction [Line Items]
Liability percentage	100.00%
Reinsurance coverage threshold			1,175,000
Reinsurance coverage limit			$ 8,825,000

Earnings per Common Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Net income attributable to Maiden shareholders	$ 36,893	$ 38,489
Dividends on preference shares	(9,677)	(6,084)
Amount allocated to participating common shareholders	(16)	(26)
Numerator for basic EPS - net income allocated to Maiden common shareholders	27,200	32,379
Dividends on convertible preference shares- Series B	2,990	2,990
Numerator for diluted EPS - net income allocated to Maiden common shareholders after assumed conversion	$ 30,190	$ 35,369
Weighted average number of common shares outstanding – basic (in shares)	73,871,277	73,084,412
Potentially dilutive securities:
Share options and restricted share units (in shares)	1,051,458	1,427,725
Convertible preference shares (in shares)	10,876,642	10,751,648
Adjusted weighted average number of common shares and assumed conversions – diluted (in shares)	85,799,377	85,263,785
Basic earnings per share attributable to Maiden common shareholders (in dollars per share)	$ 0.37	$ 0.44
Diluted earnings per share attributable to Maiden common shareholders (in dollars per share)	$ 0.35	$ 0.41
Series A Preferred Stock [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Dividends on preference shares	$ (3,094)	$ (3,094)
Series B Convertible Preferred Stock [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Dividends on preference shares	(2,990)	(2,990)
Series C Preferred Stock [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Dividends on preference shares	$ (3,593)	$ 0

Earnings per Common Share - Anti-dilutive Securities (Details)	3 Months Ended
	Mar. 31, 2016 shares
Earnings Per Share [Abstract]
Incremental common shares attributable to contingent conversion of preferred stock	274,111
Incremental common shares attributable to contingent conversion of preferred stock, increase in period	42,630

Shareholders' Equity - Narrative (Details) - $ / shares	Mar. 10, 2016	Feb. 17, 2016	Feb. 15, 2016	Jan. 01, 2016	Mar. 31, 2016	Dec. 31, 2015
Stockholders' Equity Note [Abstract]
Common stock, shares authorized (in shares)					150,000,000
Common stock, shares issued (in shares)					75,042,178	74,735,785
Common stock, shares outstanding (in shares)					73,992,275	73,721,140
Preference shares issued (in shares)					15,900,000
Undesignated shares (in shares)					59,057,822
Shares repurchased (in shares)	20,469,000	1,183,000	10,255	3,351
Shares repurchased, price per share (in dollars per share)	$ 13.16	$ 13.36	$ 13.16	$ 14.91

Shareholders' Equity - AOCI Components (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015	Dec. 31, 2015
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning balance	$ (23,881)	$ 95,244
Other comprehensive (loss) income before reclassifications	92,634	12,001
Amounts reclassified from AOCI to net income, net of tax	632	149
Other comprehensive income, after tax	93,266	12,150
Ending balance	69,385	107,394
Less: AOCI attributable to non controlling interest	(85)	(104)
Ending balance, Maiden shareholders	69,470	107,498	$ (23,767)
Change in net unrealized gains on investments [Member]
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning balance	(54,112)	78,579
Other comprehensive (loss) income before reclassifications	103,368	(6,934)
Amounts reclassified from AOCI to net income, net of tax	632	149
Other comprehensive income, after tax	104,000	(6,785)
Ending balance	49,888	71,794
Less: AOCI attributable to non controlling interest	0	0
Ending balance, Maiden shareholders	49,888	71,794
Foreign currency translation adjustments [Member]
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning balance	30,231	16,665
Other comprehensive (loss) income before reclassifications	(10,734)	18,935
Amounts reclassified from AOCI to net income, net of tax	0	0
Other comprehensive income, after tax	(10,734)	18,935
Ending balance	19,497	35,600
Less: AOCI attributable to non controlling interest	(85)	(104)
Ending balance, Maiden shareholders	$ 19,582	$ 35,704

Subsequent Events (Details) - $ / shares			3 Months Ended
Subsequent Events (Details) - $ / shares	May. 04, 2016	Feb. 15, 2016	Mar. 31, 2016	Mar. 31, 2015
Subsequent Event [Line Items]
Dividends declared per common share (in dollars per share)		$ 0.14	$ 0.14	$ 0.13
Subsequent Event [Member]
Subsequent Event [Line Items]
Dividends declared per common share (in dollars per share)	$ 0.14
Subsequent Event [Member] \| Series A Preferred Stock [Member]
Subsequent Event [Line Items]
Dividends declared per Preference share (in dollars per share)	0.515625
Subsequent Event [Member] \| Series B Preferred Stock [Member]
Subsequent Event [Line Items]
Dividends declared per Preference share (in dollars per share)	0.90625
Subsequent Event [Member] \| Series C Preferred Stock [Member]
Subsequent Event [Line Items]
Dividends declared per Preference share (in dollars per share)	$ 0.445313

Fair Value of Financial Instruments - Fair Value Hierarchy (Details) $ in Thousands	Mar. 31, 2016 USD ($) security	Dec. 31, 2015 USD ($) security
Significant Other Observable Inputs (Level 2) [Member] \| Fixed Maturities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Number of securities priced for fair value \| security	1	2
Securities valued using market approach	$ 4,711	$ 4,943
Fair Value, Measurements, Recurring [Member] \| Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other investments, fair value	6,300	4,905
Total	$ 12,353	$ 10,915
Percentage of total assets	0.20%	0.20%
Fair Value, Measurements, Recurring [Member] \| Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] \| U.S. treasury bonds [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
AFS fixed maturities, fair value	$ 6,053	$ 6,010
Fair Value, Measurements, Recurring [Member] \| Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] \| U.S. agency bonds – mortgage-backed [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
AFS fixed maturities, fair value	0	0
Fair Value, Measurements, Recurring [Member] \| Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] \| U.S. agency bonds – other [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
AFS fixed maturities, fair value	0	0
Fair Value, Measurements, Recurring [Member] \| Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] \| Non-U.S. government and supranational bonds [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
AFS fixed maturities, fair value	0	0
Fair Value, Measurements, Recurring [Member] \| Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] \| Asset-backed securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
AFS fixed maturities, fair value	0	0
Fair Value, Measurements, Recurring [Member] \| Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] \| Corporate bonds [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
AFS fixed maturities, fair value	0	0
Fair Value, Measurements, Recurring [Member] \| Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] \| Municipal bonds [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
AFS fixed maturities, fair value	0	0
Fair Value, Measurements, Recurring [Member] \| Significant Other Observable Inputs (Level 2) [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other investments, fair value	0	0
Total	$ 3,699,578	$ 3,502,078
Percentage of total assets	60.50%	61.40%
Fair Value, Measurements, Recurring [Member] \| Significant Other Observable Inputs (Level 2) [Member] \| U.S. treasury bonds [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
AFS fixed maturities, fair value	$ 0	$ 0
Fair Value, Measurements, Recurring [Member] \| Significant Other Observable Inputs (Level 2) [Member] \| U.S. agency bonds – mortgage-backed [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
AFS fixed maturities, fair value	1,492,154	1,476,991
Fair Value, Measurements, Recurring [Member] \| Significant Other Observable Inputs (Level 2) [Member] \| U.S. agency bonds – other [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
AFS fixed maturities, fair value	34,557	24,311
Fair Value, Measurements, Recurring [Member] \| Significant Other Observable Inputs (Level 2) [Member] \| Non-U.S. government and supranational bonds [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
AFS fixed maturities, fair value	33,488	30,544
Fair Value, Measurements, Recurring [Member] \| Significant Other Observable Inputs (Level 2) [Member] \| Asset-backed securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
AFS fixed maturities, fair value	177,487	165,804
Fair Value, Measurements, Recurring [Member] \| Significant Other Observable Inputs (Level 2) [Member] \| Corporate bonds [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
AFS fixed maturities, fair value	1,895,528	1,739,668
Fair Value, Measurements, Recurring [Member] \| Significant Other Observable Inputs (Level 2) [Member] \| Municipal bonds [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
AFS fixed maturities, fair value	66,364	64,760
Fair Value, Measurements, Recurring [Member] \| Significant Unobservable Inputs (Level 3) [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other investments, fair value	6,765	6,907
Total	$ 6,765	$ 6,907
Percentage of total assets	0.10%	0.10%
Fair Value, Measurements, Recurring [Member] \| Significant Unobservable Inputs (Level 3) [Member] \| U.S. treasury bonds [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
AFS fixed maturities, fair value	$ 0	$ 0
Fair Value, Measurements, Recurring [Member] \| Significant Unobservable Inputs (Level 3) [Member] \| U.S. agency bonds – mortgage-backed [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
AFS fixed maturities, fair value	0	0
Fair Value, Measurements, Recurring [Member] \| Significant Unobservable Inputs (Level 3) [Member] \| U.S. agency bonds – other [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
AFS fixed maturities, fair value	0	0
Fair Value, Measurements, Recurring [Member] \| Significant Unobservable Inputs (Level 3) [Member] \| Non-U.S. government and supranational bonds [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
AFS fixed maturities, fair value	0	0
Fair Value, Measurements, Recurring [Member] \| Significant Unobservable Inputs (Level 3) [Member] \| Asset-backed securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
AFS fixed maturities, fair value	0	0
Fair Value, Measurements, Recurring [Member] \| Significant Unobservable Inputs (Level 3) [Member] \| Corporate bonds [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
AFS fixed maturities, fair value	0	0
Fair Value, Measurements, Recurring [Member] \| Significant Unobservable Inputs (Level 3) [Member] \| Municipal bonds [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
AFS fixed maturities, fair value	0	0
Fair Value, Measurements, Recurring [Member] \| Total Fair Value [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other investments, fair value	13,065	11,812
Total	$ 3,718,696	$ 3,519,900
Percentage of total assets	60.80%	61.70%
Fair Value, Measurements, Recurring [Member] \| Total Fair Value [Member] \| Fixed Maturities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, valued by third party, percentage	99.90%	99.90%
Assets, valued using market approach, percentage	0.10%	0.10%
Fair Value, Measurements, Recurring [Member] \| Total Fair Value [Member] \| U.S. treasury bonds [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
AFS fixed maturities, fair value	$ 6,053	$ 6,010
Fair Value, Measurements, Recurring [Member] \| Total Fair Value [Member] \| U.S. agency bonds – mortgage-backed [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
AFS fixed maturities, fair value	1,492,154	1,476,991
Fair Value, Measurements, Recurring [Member] \| Total Fair Value [Member] \| U.S. agency bonds – other [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
AFS fixed maturities, fair value	34,557	24,311
Fair Value, Measurements, Recurring [Member] \| Total Fair Value [Member] \| Non-U.S. government and supranational bonds [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
AFS fixed maturities, fair value	33,488	30,544
Fair Value, Measurements, Recurring [Member] \| Total Fair Value [Member] \| Asset-backed securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
AFS fixed maturities, fair value	177,487	165,804
Fair Value, Measurements, Recurring [Member] \| Total Fair Value [Member] \| Corporate bonds [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
AFS fixed maturities, fair value	1,895,528	1,739,668
Fair Value, Measurements, Recurring [Member] \| Total Fair Value [Member] \| Municipal bonds [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
AFS fixed maturities, fair value	$ 66,364	$ 64,760

Commitments and Contingencies (Details) - $ / shares		3 Months Ended
Commitments and Contingencies (Details) - $ / shares	Feb. 15, 2016	Mar. 31, 2016	Mar. 31, 2015
Commitments and Contingencies Disclosure [Abstract]
Dividends declared per common share (in dollars per share)	$ 0.14	$ 0.14	$ 0.13