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INVESTMENTS (DETAILS 2) - USD ($) $ in Thousands | Dec. 31, 2015 | Dec. 31, 2014
--- | --- | ---
Schedule Of Available For Sale Securities [Line Items] |  |
Due in one year or less (amortized cost) | $ 291,368 | $ 424,077
Due after one year through five years (amortized cost) | 4,217,515 | 4,925,780
Due after five years through ten years (amortized cost) | 2,263,684 | 1,755,248
Due after ten years (amortized cost) | 312,431 | 207,407
Total fixed maturities with a single maturity date (amortized cost) | 7,084,998 | 7,312,512
Total (amortized cost) | 11,897,639 | 12,185,973
Due in one year or less (fair value) | 289,571 | 423,265
Due after one year through five years (fair value) | 4,142,802 | 4,892,411
Due after five years through ten years (fair value) | 2,181,525 | 1,695,641
Due after ten years (fair value) | 301,039 | 208,288
Total fixed maturities with a single maturity date (fair value) | 6,914,937 | 7,219,605
Fair Value (fixed maturities) | $ 11,719,749 | $ 12,129,273
Due in one year or less (% of total fair value) | 2.50% | 3.50%
Due after one year through five years (% of total fair value) | 35.30% | 40.30%
Due after five years through ten years (% of total fair value) | 18.60% | 14.00%
Due after ten years (% of total fair value) | 2.60% | 1.70%
Fixed maturities with single maturity date (% of total fair value) | 59.00% | 59.50%
Total | 100.00% | 100.00%
Agency RMBS [Member] |  |
Schedule Of Available For Sale Securities [Line Items] |  |
Fixed maturities without a single maturity date (amortized cost) | $ 2,236,138 | $ 2,241,581
Total (amortized cost) | 2,236,138 | 2,241,581
Fixed maturities without a single maturity date (fair value) | 2,249,236 | 2,278,108
Fair Value (fixed maturities) | $ 2,249,236 | $ 2,278,108
Fixed maturities without a single maturity date (% of total fair value) | 19.20% | 18.80%
CMBS [Member] |  |
Schedule Of Available For Sale Securities [Line Items] |  |
Fixed maturities without a single maturity date (amortized cost) | $ 1,088,595 | $ 1,085,618
Total (amortized cost) | 1,088,595 | 1,085,618
Fixed maturities without a single maturity date (fair value) | 1,083,298 | 1,096,888
Fair Value (fixed maturities) | $ 1,083,298 | $ 1,096,888
Fixed maturities without a single maturity date (% of total fair value) | 9.20% | 9.00%
Non-Agency RMBS [Member] |  |
Schedule Of Available For Sale Securities [Line Items] |  |
Fixed maturities without a single maturity date (amortized cost) | $ 99,989 | $ 71,236
Total (amortized cost) | 99,989 | 71,236
Fixed maturities without a single maturity date (fair value) | 101,008 | 73,086
Fair Value (fixed maturities) | $ 101,008 | $ 73,086
Fixed maturities without a single maturity date (% of total fair value) | 0.90% | 0.60%
ABS [Member] |  |
Schedule Of Available For Sale Securities [Line Items] |  |
Fixed maturities without a single maturity date (amortized cost) | $ 1,387,919 | $ 1,475,026
Total (amortized cost) | 1,387,919 | 1,475,026
Fixed maturities without a single maturity date (fair value) | 1,371,270 | 1,461,586
Fair Value (fixed maturities) | $ 1,371,270 | $ 1,461,586
Fixed maturities without a single maturity date (% of total fair value) | 11.70% | 12.10%

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