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INVESTMENTS (DETAILS) - USD ($) $ in Thousands | Dec. 31, 2015 | Dec. 31, 2014
--- | --- | ---
Schedule Of Available For Sale Securities [Line Items] |  |
Amortized Cost | $ 11,897,639 | $ 12,185,973
Gross Unrealized Gains (fixed maturities) | 52,518 | 116,538
Gross Unrealized Losses (fixed maturities) | (230,408) | (173,238)
Fair Value (fixed maturities) | 11,719,749 | 12,129,273
Non-credit OTTI in AOCI | (875) | (889)
Cost | 575,776 | 531,648
Gross Unrealized Gains (equities) | 31,211 | 43,583
Gross Unrealized Losses (equities) | (8,989) | (7,524)
Fair Value (equities) | 597,998 | 567,707
US Government and Agency [Member] |  |
Schedule Of Available For Sale Securities [Line Items] |  |
Amortized Cost | 1,673,617 | 1,645,068
Gross Unrealized Gains (fixed maturities) | 1,545 | 3,337
Gross Unrealized Losses (fixed maturities) | (23,213) | (28,328)
Fair Value (fixed maturities) | 1,651,949 | 1,620,077
Non-credit OTTI in AOCI | 0 | 0
Non-US Government [Member] |  |
Schedule Of Available For Sale Securities [Line Items] |  |
Amortized Cost | 809,025 | 1,080,601
Gross Unrealized Gains (fixed maturities) | 2,312 | 7,383
Gross Unrealized Losses (fixed maturities) | (72,332) | (54,441)
Fair Value (fixed maturities) | 739,005 | 1,033,543
Non-credit OTTI in AOCI | 0 | 0
Corporate Debt [Member] |  |
Schedule Of Available For Sale Securities [Line Items] |  |
Amortized Cost | 4,442,315 | 4,386,432
Gross Unrealized Gains (fixed maturities) | 16,740 | 40,972
Gross Unrealized Losses (fixed maturities) | (96,286) | (66,280)
Fair Value (fixed maturities) | 4,362,769 | 4,361,124
Non-credit OTTI in AOCI | 0 | 0
Agency RMBS [Member] |  |
Schedule Of Available For Sale Securities [Line Items] |  |
Amortized Cost | 2,236,138 | 2,241,581
Gross Unrealized Gains (fixed maturities) | 22,773 | 40,762
Gross Unrealized Losses (fixed maturities) | (9,675) | (4,235)
Fair Value (fixed maturities) | 2,249,236 | 2,278,108
Non-credit OTTI in AOCI | 0 | 0
CMBS [Member] |  |
Schedule Of Available For Sale Securities [Line Items] |  |
Amortized Cost | 1,088,595 | 1,085,618
Gross Unrealized Gains (fixed maturities) | 3,885 | 13,289
Gross Unrealized Losses (fixed maturities) | (9,182) | (2,019)
Fair Value (fixed maturities) | 1,083,298 | 1,096,888
Non-credit OTTI in AOCI | 0 | 0
Non-Agency RMBS [Member] |  |
Schedule Of Available For Sale Securities [Line Items] |  |
Amortized Cost | 99,989 | 71,236
Gross Unrealized Gains (fixed maturities) | 1,992 | 2,765
Gross Unrealized Losses (fixed maturities) | (973) | (915)
Fair Value (fixed maturities) | 101,008 | 73,086
Non-credit OTTI in AOCI | (875) | (889)
ABS [Member] |  |
Schedule Of Available For Sale Securities [Line Items] |  |
Amortized Cost | 1,387,919 | 1,475,026
Gross Unrealized Gains (fixed maturities) | 952 | 2,748
Gross Unrealized Losses (fixed maturities) | (17,601) | (16,188)
Fair Value (fixed maturities) | 1,371,270 | 1,461,586
Non-credit OTTI in AOCI | 0 | 0
Municipals [Member] |  |
Schedule Of Available For Sale Securities [Line Items] |  |
Amortized Cost | 160,041 | 200,411
Gross Unrealized Gains (fixed maturities) | 2,319 | 5,282
Gross Unrealized Losses (fixed maturities) | (1,146) | (832)
Fair Value (fixed maturities) | 161,214 | 204,861
Non-credit OTTI in AOCI | 0 | 0
Exchange-Traded Funds [Member] |  |
Schedule Of Available For Sale Securities [Line Items] |  |
Cost | 447,524 | 416,063
Gross Unrealized Gains (equities) | 31,211 | 43,583
Gross Unrealized Losses (equities) | (4,762) | (4,756)
Fair Value (equities) | 473,973 | 454,890
Bond Mutual Funds [Member] |  |
Schedule Of Available For Sale Securities [Line Items] |  |
Cost | 128,252 | 115,585
Gross Unrealized Gains (equities) | 0 | 0
Gross Unrealized Losses (equities) | (4,227) | (2,768)
Fair Value (equities) | $ 124,025 | $ 112,817

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- Definition Accumulated other comprehensive loss related to portion of other than temporary impairment (OTTI) due to factors other than credit losses on debt securities categorized as available-for-sale that an entity does not intend to sell and which it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis of the debt security. + References No definition available. + Details
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