v3.3.1.900

Investments - Fair Value and Unrealized Losses (Details) $ in Thousands | Dec. 31, 2015 USD ($) security | Dec. 31, 2014 USD ($) security
--- | --- | ---
Fair value |  |
Fixed Maturities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value | $ 1,294,157 | $ 525,149
Fixed Maturities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value | 592,418 | 588,017
Fixed Maturities, Continuous Unrealized Loss Position, Fair Value | 1,886,575 | 1,113,166
Investments, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value | 1,299,062 |
Investments, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value | 592,418 |
Investments, Continuous Unrealized Loss Position, Fair Value | 1,891,480 |
Unrealized losses |  |
Fixed Maturities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss | (46,935) | (18,113)
Fixed Maturities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss | (78,282) | (20,898)
Fixed Maturities, Continuous Unrealized Loss Position, Accumulated Loss | (125,217) | $ (39,011)
Investments, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Losses | (47,030) |
Investments, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Losses | (78,282) |
Investments, Continuous Unrealized Loss Position, Accumulated Loss | $ (125,312) |
Fixed Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions, Greater than or Equal to One Year | security | 93 | 46
Fixed Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions | security | 270 | 141
U.S. treasury bonds |  |
Fair value |  |
Fixed Maturities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value | $ 1,119 |
Fixed Maturities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value | 0 |
Fixed Maturities, Continuous Unrealized Loss Position, Fair Value | 1,119 |
Unrealized losses |  |
Fixed Maturities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss | (16) |
Fixed Maturities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss | 0 |
Fixed Maturities, Continuous Unrealized Loss Position, Accumulated Loss | (16) |
U.S. agency bonds – mortgage-backed |  |
Fair value |  |
Fixed Maturities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value | 443,331 | $ 84,264
Fixed Maturities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value | 170,053 | 441,601
Fixed Maturities, Continuous Unrealized Loss Position, Fair Value | 613,384 | 525,865
Unrealized losses |  |
Fixed Maturities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss | (4,113) | (806)
Fixed Maturities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss | (6,077) | (9,782)
Fixed Maturities, Continuous Unrealized Loss Position, Accumulated Loss | (10,190) | (10,588)
Non-U.S. government and supranational bonds |  |
Fair value |  |
Fixed Maturities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value | 6,958 | 43,712
Fixed Maturities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value | 22,586 | 2,522
Fixed Maturities, Continuous Unrealized Loss Position, Fair Value | 29,544 | 46,234
Unrealized losses |  |
Fixed Maturities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss | (365) | (2,822)
Fixed Maturities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss | (4,219) | (306)
Fixed Maturities, Continuous Unrealized Loss Position, Accumulated Loss | (4,584) | (3,128)
Asset-backed securities |  |
Fair value |  |
Fixed Maturities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value | 89,838 |
Fixed Maturities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value | 0 |
Fixed Maturities, Continuous Unrealized Loss Position, Fair Value | 89,838 |
Unrealized losses |  |
Fixed Maturities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss | (1,089) |
Fixed Maturities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss | 0 |
Fixed Maturities, Continuous Unrealized Loss Position, Accumulated Loss | (1,089) |
Corporate bonds |  |
Fair value |  |
Fixed Maturities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value | 752,911 | 397,173
Fixed Maturities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value | 399,779 | 143,894
Fixed Maturities, Continuous Unrealized Loss Position, Fair Value | 1,152,690 | 541,067
Unrealized losses |  |
Fixed Maturities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss | (41,352) | (14,485)
Fixed Maturities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss | (67,986) | (10,810)
Fixed Maturities, Continuous Unrealized Loss Position, Accumulated Loss | (109,338) | $ (25,295)
Other investments |  |
Fair value |  |
Investments, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value | 4,905 |
Investments, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value | 0 |
Investments, Continuous Unrealized Loss Position, Fair Value | 4,905 |
Unrealized losses |  |
Investments, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Losses | (95) |
Investments, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Losses | 0 |
Investments, Continuous Unrealized Loss Position, Accumulated Loss | $ (95) |

X
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