v3.3.1.900

Segment Information - Net Income (Loss) and Total Assets (Details) $ in Thousands | 3 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Dec. 31, 2015 USD ($) | Sep. 30, 2015 USD ($) | Jun. 30, 2015 USD ($) | Mar. 31, 2015 USD ($) | Dec. 31, 2014 USD ($) | Sep. 30, 2014 USD ($) | Jun. 30, 2014 USD ($) | Mar. 31, 2014 USD ($) | Dec. 31, 2015 USD ($) Segment | Dec. 31, 2014 USD ($) | Dec. 31, 2013 USD ($) | Dec. 31, 2012 USD ($)
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Number of reportable segments | Segment |  |  |  |  |  |  |  |  | 2 |  |  |
Income Statement [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Gross premiums written |  |  |  |  |  |  |  |  | $ 2,662,825 | $ 2,507,352 | $ 2,204,159 |
Net premiums written |  |  |  |  |  |  |  |  | 2,514,116 | 2,458,136 | 2,096,301 |
Net premiums earned |  |  |  |  |  |  |  |  | 2,429,069 | 2,251,743 | 2,000,887 |
Other insurance revenue |  |  |  |  |  |  |  |  | 11,512 | 13,410 | 14,232 |
Net loss and loss adjustment expenses |  |  |  |  |  |  |  |  | (1,633,570) | (1,498,271) | (1,349,630) |
Commission and other acquisition expenses |  |  |  |  |  |  |  |  | (724,197) | (659,315) | (556,578) |
General and administrative expenses |  |  |  |  |  |  |  |  | (40,497) | (42,148) | (39,922) |
Underwriting (loss) income |  |  |  |  |  |  |  |  | 42,317 | 65,419 | 68,989 |
Reconciliation to net income |  |  |  |  |  |  |  |  |  |  |  |
Net investment income and realized gains on investment |  |  |  |  |  |  |  |  | 133,590 | 118,378 | 94,937 |
Net impairment losses recognized in earnings |  |  |  |  |  |  |  |  | (1,060) | (2,364) | 0 |
Interest and amortization expenses |  |  |  |  |  |  |  |  | (29,063) | (29,959) | (39,805) |
Accelerated amortization of junior subordinated debt discount and issuance cost |  |  |  |  |  |  |  |  | 0 | (28,240) | 0 |
Amortization of intangible assets |  |  |  |  |  |  |  |  | (2,840) | (3,277) | (3,780) |
Foreign exchange and other gains |  |  |  |  |  |  |  |  | 7,753 | 4,150 | 2,809 |
Other general and administrative expenses |  |  |  |  |  |  |  |  | (24,375) | (20,410) | (18,431) |
Income tax expense |  |  |  |  |  |  |  |  | (2,038) | (2,164) | (1,863) |
Net income | $ 30,724 | $ 28,515 | $ 26,511 | $ 38,534 | $ 33,631 | $ 33,926 | $ 31,915 | $ 2,061 | $ 124,284 | $ 101,533 | $ 102,856 |
Net loss and LAE ratio |  |  |  |  |  |  |  |  | 66.90% | 66.10% | 67.00% |
Commission and other acquisition expense ratio |  |  |  |  |  |  |  |  | 29.70% | 29.10% | 27.60% |
General and administrative expense ratio |  |  |  |  |  |  |  |  | 2.70% | 2.80% | 2.90% |
Combined ratio |  |  |  |  |  |  |  |  | 99.30% | 98.00% | 97.50% |
Assets [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Reinsurance balance receivable, net | 377,318 |  |  |  | 512,996 |  |  |  | $ 377,318 | $ 512,996 |  |
Reinsurance recoverable on unpaid losses | 71,248 |  |  |  | 75,873 |  |  |  | 71,248 | 75,873 | $ 84,036 | $ 110,858
Deferred commissions and other acquisition expenses | 397,548 |  |  |  | 372,487 |  |  |  | 397,548 | 372,487 |  |
Loan to related party | 167,975 |  |  |  | 167,975 |  |  |  | 167,975 | 167,975 |  |
Goodwill and intangible assets, net | 81,920 |  |  |  | 87,336 |  |  |  | 81,920 | 87,336 | 90,613 |
Restricted cash and cash equivalents and investments | 3,668,444 |  |  |  | 3,121,343 |  |  |  | 3,668,444 | 3,121,343 |  |
Other assets | 125,105 |  |  |  | 57,926 |  |  |  | 125,105 | 57,926 |  |
Total assets | 5,713,645 |  |  |  | 5,164,092 |  |  |  | 5,713,645 | 5,164,092 |  |
Diversified Reinsurance segment |  |  |  |  |  |  |  |  |  |  |  |
Income Statement [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Gross premiums written |  |  |  |  |  |  |  |  | 776,852 | 897,748 | 848,790 |
Net premiums written |  |  |  |  |  |  |  |  | 734,781 | 850,049 | 763,374 |
Net premiums earned |  |  |  |  |  |  |  |  | 744,875 | 854,026 | 753,157 |
Other insurance revenue |  |  |  |  |  |  |  |  | 11,512 | 13,410 | 14,232 |
Net loss and loss adjustment expenses |  |  |  |  |  |  |  |  | (547,296) | (579,771) | (519,962) |
Commission and other acquisition expenses |  |  |  |  |  |  |  |  | (196,292) | (233,711) | (190,604) |
General and administrative expenses |  |  |  |  |  |  |  |  | (37,550) | (38,858) | (37,649) |
Underwriting (loss) income |  |  |  |  |  |  |  |  | $ (24,751) | $ 15,096 | $ 19,174 |
Reconciliation to net income |  |  |  |  |  |  |  |  |  |  |  |
Net loss and LAE ratio |  |  |  |  |  |  |  |  | 72.30% | 66.80% | 67.80% |
Commission and other acquisition expense ratio |  |  |  |  |  |  |  |  | 26.00% | 26.90% | 24.80% |
General and administrative expense ratio |  |  |  |  |  |  |  |  | 5.00% | 4.60% | 4.90% |
Combined ratio |  |  |  |  |  |  |  |  | 103.30% | 98.30% | 97.50% |
Assets [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Reinsurance balance receivable, net | 230,223 |  |  |  | 245,782 |  |  |  | $ 230,223 | $ 245,782 |  |
Reinsurance recoverable on unpaid losses | 38,390 |  |  |  | 31,272 |  |  |  | 38,390 | 31,272 |  |
Deferred commissions and other acquisition expenses | 80,012 |  |  |  | 87,289 |  |  |  | 80,012 | 87,289 |  |
Loan to related party | 0 |  |  |  | 0 |  |  |  | 0 | 0 |  |
Goodwill and intangible assets, net | 81,920 |  |  |  | 87,336 |  |  |  | 81,920 | 87,336 |  |
Restricted cash and cash equivalents and investments | 1,178,076 |  |  |  | 1,132,953 |  |  |  | 1,178,076 | 1,132,953 |  |
Other assets | 35,920 |  |  |  | 40,032 |  |  |  | 35,920 | 40,032 |  |
Total assets - reportable segments | 1,644,541 |  |  |  | 1,624,664 |  |  |  | 1,644,541 | 1,624,664 |  |
Corporate assets | 0 |  |  |  | 0 |  |  |  | 0 | 0 |  |
Total assets | 1,644,541 |  |  |  | 1,624,664 |  |  |  | 1,644,541 | 1,624,664 |  |
AmTrust Reinsurance segment |  |  |  |  |  |  |  |  |  |  |  |
Income Statement [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Gross premiums written |  |  |  |  |  |  |  |  | 1,885,974 | 1,610,485 | $ 1,169,961 |
Net premiums written |  |  |  |  |  |  |  |  | 1,779,334 | 1,610,485 | 1,169,961 |
Net premiums earned |  |  |  |  |  |  |  |  | 1,684,191 | 1,378,327 | 988,900 |
Other insurance revenue |  |  |  |  |  |  |  |  | 0 | 0 | 0 |
Net loss and loss adjustment expenses |  |  |  |  |  |  |  |  | (1,074,072) | (893,502) | (653,528) |
Commission and other acquisition expenses |  |  |  |  |  |  |  |  | (527,863) | (418,908) | (291,559) |
General and administrative expenses |  |  |  |  |  |  |  |  | (2,947) | (2,533) | (1,566) |
Underwriting (loss) income |  |  |  |  |  |  |  |  | $ 79,309 | $ 63,384 | $ 42,247 |
Reconciliation to net income |  |  |  |  |  |  |  |  |  |  |  |
Net loss and LAE ratio |  |  |  |  |  |  |  |  | 63.80% | 64.80% | 66.10% |
Commission and other acquisition expense ratio |  |  |  |  |  |  |  |  | 31.30% | 30.40% | 29.50% |
General and administrative expense ratio |  |  |  |  |  |  |  |  | 0.20% | 0.20% | 0.20% |
Combined ratio |  |  |  |  |  |  |  |  | 95.30% | 95.40% | 95.80% |
Assets [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Reinsurance balance receivable, net | 137,586 |  |  |  | 256,779 |  |  |  | $ 137,586 | $ 256,779 |  |
Reinsurance recoverable on unpaid losses | 14,230 |  |  |  | 0 |  |  |  | 14,230 | 0 |  |
Deferred commissions and other acquisition expenses | 317,536 |  |  |  | 285,232 |  |  |  | 317,536 | 285,232 |  |
Loan to related party | 167,975 |  |  |  | 167,975 |  |  |  | 167,975 | 167,975 |  |
Goodwill and intangible assets, net | 0 |  |  |  | 0 |  |  |  | 0 | 0 |  |
Restricted cash and cash equivalents and investments | 2,468,689 |  |  |  | 1,930,502 |  |  |  | 2,468,689 | 1,930,502 |  |
Other assets | 72,843 |  |  |  | 0 |  |  |  | 72,843 | 0 |  |
Total assets - reportable segments | 3,178,859 |  |  |  | 2,640,488 |  |  |  | 3,178,859 | 2,640,488 |  |
Corporate assets | 0 |  |  |  | 0 |  |  |  | 0 | 0 |  |
Total assets | 3,178,859 |  |  |  | 2,640,488 |  |  |  | 3,178,859 | 2,640,488 |  |
Other |  |  |  |  |  |  |  |  |  |  |  |
Income Statement [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Gross premiums written |  |  |  |  |  |  |  |  | (1) | (881) | $ 185,408 |
Net premiums written |  |  |  |  |  |  |  |  | 1 | (2,398) | 162,966 |
Net premiums earned |  |  |  |  |  |  |  |  | 3 | 19,390 | 258,830 |
Other insurance revenue |  |  |  |  |  |  |  |  | 0 | 0 | 0 |
Net loss and loss adjustment expenses |  |  |  |  |  |  |  |  | (12,202) | (24,998) | (176,140) |
Commission and other acquisition expenses |  |  |  |  |  |  |  |  | (42) | (6,696) | (74,415) |
General and administrative expenses |  |  |  |  |  |  |  |  | 0 | (757) | (707) |
Underwriting (loss) income |  |  |  |  |  |  |  |  | $ (12,241) | $ (13,061) | $ 7,568 |
Reconciliation to net income |  |  |  |  |  |  |  |  |  |  |  |
Combined ratio |  |  |  |  |  |  |  |  |  |  |  |
Total reportable segments |  |  |  |  |  |  |  |  |  |  |  |
Assets [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Reinsurance balance receivable, net | 367,809 |  |  |  | 502,561 |  |  |  | $ 367,809 | $ 502,561 |  |
Reinsurance recoverable on unpaid losses | 52,620 |  |  |  | 31,272 |  |  |  | 52,620 | 31,272 |  |
Deferred commissions and other acquisition expenses | 397,548 |  |  |  | 372,521 |  |  |  | 397,548 | 372,521 |  |
Loan to related party | 167,975 |  |  |  | 167,975 |  |  |  | 167,975 | 167,975 |  |
Goodwill and intangible assets, net | 81,920 |  |  |  | 87,336 |  |  |  | 81,920 | 87,336 |  |
Restricted cash and cash equivalents and investments | 3,646,765 |  |  |  | 3,063,455 |  |  |  | 3,646,765 | 3,063,455 |  |
Other assets | 108,763 |  |  |  | 40,032 |  |  |  | 108,763 | 40,032 |  |
Total assets - reportable segments | 4,823,400 |  |  |  | 4,265,152 |  |  |  | 4,823,400 | 4,265,152 |  |
Corporate assets | 890,245 |  |  |  | 898,940 |  |  |  | 890,245 | 898,940 |  |
Total assets | $ 5,713,645 |  |  |  | $ 5,164,092 |  |  |  | $ 5,713,645 | $ 5,164,092 |  |

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