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Fair Value Disclosures (Tables) | 6 Months Ended
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Jun. 30, 2012
Fair Value Of Financial Instruments [Abstract] |
Schedule Of Fair Value Assets And Liabilities Measured On Recurring Basis Table Text Block |
June 30, 2012: |  |  |  |  | Fair Value Measurements Using:
|  | Total |  |  | Level 1 |  |  | Level 2 |  |  | Level 3
Assets: |  |  |  |  |  |  |  |  |  |  |
| Fixed maturity securities – available-for-sale: |  |  |  |  |  |  |  |  |  |  |
|  | Corporate securities | $ | 8,401,909 |  | $ | 69,954 |  | $ | 7,337,941 |  | $ | 994,014
|  | Canadian and Canadian provincial governments |  | 3,929,374 |  |  | -- |  |  | 3,929,374 |  |  | --
|  | Residential mortgage-backed securities |  | 1,078,562 |  |  | -- |  |  | 1,028,971 |  |  | 49,591
|  | Asset-backed securities |  | 441,051 |  |  | -- |  |  | 312,693 |  |  | 128,358
|  | Commercial mortgage-backed securities |  | 1,348,047 |  |  | -- |  |  | 1,232,314 |  |  | 115,733
|  | U.S. government and agencies securities |  | 249,914 |  |  | 182,787 |  |  | 67,127 |  |  | --
|  | State and political subdivision securities |  | 229,776 |  |  | -- |  |  | 215,290 |  |  | 14,486
|  | Other foreign government supranational and foreign |  |  |  |  |  |  |  |  |  |  |
|  |  | government-sponsored enterprises |  | 1,565,559 |  |  | 222,591 |  |  | 1,342,968 |  |  | --
|  |  |  | Total fixed maturity securities – available-for-sale |  | 17,244,192 |  |  | 475,332 |  |  | 15,466,678 |  |  | 1,302,182
| Funds withheld at interest – embedded derivatives |  | (375,337) |  |  | -- |  |  | -- |  |  | (375,337)
| Cash equivalents |  | 378,595 |  |  | 378,595 |  |  | -- |  |  | --
| Short-term investments |  | 3,704 |  |  | 110 |  |  | 3,594 |  |  | --
| Other invested assets: |  |  |  |  |  |  |  |  |  |  |
|  | Non-redeemable preferred stock |  | 75,970 |  |  | 62,131 |  |  | 13,839 |  |  | --
|  | Other equity securities |  | 3,227 |  |  | -- |  |  | -- |  |  | 3,227
|  | Derivatives: |  |  |  |  |  |  |  |  |  |  |
|  |  | Interest rate swaps |  | 156,866 |  |  | -- |  |  | 156,866 |  |  | --
|  |  | Foreign currency forwards |  | 3,275 |  |  | -- |  |  | 3,275 |  |  | --
|  |  | CPI swaps |  | 388 |  |  | -- |  |  | 388 |  |  | --
|  |  | Credit default swaps |  | (4,369) |  |  | -- |  |  | (4,369) |  |  | --
|  |  | Equity options |  | 94,300 |  |  | -- |  |  | 94,300 |  |  | --
|  | Collateral |  | 26,448 |  |  | 20,813 |  |  | 5,635 |  |  | --
|  | Other |  | 10,595 |  |  | 10,595 |  |  | -- |  |  | --
|  |  |  | Total other invested assets |  | 366,700 |  |  | 93,539 |  |  | 269,934 |  |  | 3,227
| Reinsurance ceded receivable – embedded derivatives |  | 4,416 |  |  | -- |  |  | -- |  |  | 4,416
|  | Total | $ | 17,622,270 |  | $ | 947,576 |  | $ | 15,740,206 |  | $ | 934,488
Liabilities: |  |  |  |  |  |  |  |  |  |  |
| Interest sensitive contract liabilities – embedded derivatives | $ | 938,927 |  | $ | -- |  | $ | -- |  | $ | 938,927
| Other liabilities: |  |  |  |  |  |  |  |  |  |  |
|  | Derivatives: |  |  |  |  |  |  |  |  |  |  |
|  |  | Interest rate swaps |  | 132 |  |  | -- |  |  | 132 |  |  | --
|  |  | Credit default swaps |  | 2,453 |  |  | -- |  |  | 2,453 |  |  | --
|  |  | Foreign currency swaps |  | 23,154 |  |  | -- |  |  | 23,154 |  |  | --
|  |  |  | Total other liabilities |  | 25,739 |  |  | -- |  |  | 25,739 |  |  | --
|  | Total | $ | 964,666 |  | $ | -- |  | $ | 25,739 |  | $ | 938,927
December 31, 2011: |  |  |  |  | Fair Value Measurements Using:
|  | Total |  |  | Level 1 |  |  | Level 2 |  |  | Level 3
Assets: |  |  |  |  |  |  |  |  |  |  |
| Fixed maturity securities – available-for-sale: |  |  |  |  |  |  |  |  |  |  |
|  | Corporate securities | $ | 7,461,106 |  | $ | 76,097 |  | $ | 6,410,840 |  | $ | 974,169
|  | Canadian and Canadian provincial governments |  | 3,869,933 |  |  | -- |  |  | 3,869,933 |  |  | --
|  | Residential mortgage-backed securities |  | 1,227,234 |  |  | -- |  |  | 1,145,579 |  |  | 81,655
|  | Asset-backed securities |  | 401,991 |  |  | -- |  |  | 208,499 |  |  | 193,492
|  | Commercial mortgage-backed securities |  | 1,242,219 |  |  | -- |  |  | 1,126,243 |  |  | 115,976
|  | U.S. government and agencies securities |  | 374,002 |  |  | 300,514 |  |  | 73,488 |  |  | --
|  | State and political subdivision securities |  | 205,386 |  |  | 12,894 |  |  | 182,119 |  |  | 10,373
|  | Other foreign government, supranational and foreign |  |  |  |  |  |  |  |  |  |  |
|  |  | government-sponsored enterprises |  | 1,419,079 |  |  | 223,440 |  |  | 1,195,639 |  |  | --
|  |  |  | Total fixed maturity securities – available-for-sale |  | 16,200,950 |  |  | 612,945 |  |  | 14,212,340 |  |  | 1,375,665
| Funds withheld at interest – embedded derivatives |  | (361,456) |  |  | -- |  |  | -- |  |  | (361,456)
| Cash equivalents |  | 504,522 |  |  | 504,522 |  |  | -- |  |  | --
| Short-term investments |  | 46,671 |  |  | 37,155 |  |  | 9,516 |  |  | --
| Other invested assets: |  |  |  |  |  |  |  |  |  |  |
|  | Non-redeemable preferred stock |  | 78,183 |  |  | 58,906 |  |  | 19,277 |  |  | --
|  | Other equity securities |  | 35,717 |  |  | 5,308 |  |  | 18,920 |  |  | 11,489
|  | Derivatives: |  |  |  |  |  |  |  |  |  |  |
|  |  | Interest rate swaps |  | 168,484 |  |  | -- |  |  | 168,484 |  |  | --
|  |  | Foreign currency forwards |  | 4,560 |  |  | -- |  |  | 4,560 |  |  | --
|  |  | CPI swaps |  | 766 |  |  | -- |  |  | 766 |  |  | --
|  |  | Credit default swaps |  | (4,003) |  |  | -- |  |  | (4,003) |  |  | --
|  |  | Equity options |  | 87,243 |  |  | -- |  |  | 87,243 |  |  | --
|  | Collateral |  | 32,622 |  |  | 27,052 |  |  | 5,570 |  |  | --
|  | Other |  | 59,373 |  |  | 59,373 |  |  | -- |  |  | --
|  |  |  | Total other invested assets |  | 462,945 |  |  | 150,639 |  |  | 300,817 |  |  | 11,489
| Reinsurance ceded receivable – embedded derivatives |  | 4,945 |  |  | -- |  |  | -- |  |  | 4,945
|  | Total | $ | 16,858,577 |  | $ | 1,305,261 |  | $ | 14,522,673 |  | $ | 1,030,643
Liabilities: |  |  |  |  |  |  |  |  |  |  |
| Interest sensitive contract liabilities – embedded derivatives | $ | 1,028,241 |  | $ | -- |  | $ | -- |  | $ | 1,028,241
| Other liabilities: |  |  |  |  |  |  |  |  |  |  |
|  | Derivatives: |  |  |  |  |  |  |  |  |  |  |
|  |  | Interest rate swaps |  | 3,171 |  |  | -- |  |  | 3,171 |  |  | --
|  |  | Credit default swaps |  | 5,633 |  |  | -- |  |  | 5,633 |  |  | --
|  |  | Equity options |  | (2,864) |  |  | -- |  |  | (2,864) |  |  | --
|  |  | Foreign currency swaps |  | 23,710 |  |  | -- |  |  | 23,710 |  |  | --
|  |  |  | Total other liabilities |  | 29,650 |  |  | -- |  |  | 29,650 |  |  | --
|  | Total | $ | 1,057,891 |  | $ | -- |  | $ | 29,650 |  | $ | 1,028,241
Fair Value Unobservable Input Measurements [Table Text Block] |
June 30, 2012: |  |  |  | Valuation |  | Unobservable |  | Range
|  |  |  | Fair Value |  | Technique(s) |  | Input |  | (Weighted Average)
Assets: |  |  |  |  |  |  |  |  |
| State and political subdivision securities |  | $ | 14,486 |  | Market comparable securities |  | Liquidity premium |  | 1%
| Corporate securities |  |  | 11,614 |  | Market comparable securities |  | Liquidity premium |  | 1-2% (2%)
| Private equity securities |  |  | 516 |  | Net asset value |  | Fund financial statements |  | Not Applicable
| Funds withheld at interest- embedded derivatives |  |  | (375,337) |  | Total return swap |  | Mortality |  | 0-100% (1%)
|  |  |  |  |  |  |  |  | Lapse |  | 0-35% (4%)
|  |  |  |  |  |  |  |  | Withdrawal |  | 0-5% (4%)
|  |  |  |  |  |  |  |  | Own Credit |  | 0-1% (0%)
|  |  |  |  |  |  |  |  | Crediting rate |  | 2-4% (3%)
| Reinsurance ceded receivable- embedded derivatives |  |  | 4,416 |  | Discounted cash flow |  | Mortality |  | 0-100% (8%)
|  |  |  |  |  |  |  |  | Lapse |  | 14-16% (15%)
Liabilities: |  |  |  |  |  |  |  |  |
| Interest sensitive contract liabilities- embedded derivatives- indexed annuities |  |  | 733,655 |  | Discounted cash flow |  | Mortality |  | 0-100% (1%)
|  |  |  |  |  |  |  |  | Lapse |  | 0-35% (4%)
|  |  |  |  |  |  |  |  | Withdrawal |  | 0-5% (4%)
|  |  |  |  |  |  |  |  | Option budget projection |  | 2-4% (3%)
| Interest sensitive contract liabilities- embedded derivatives- variable annuities |  |  | 205,272 |  | Discounted cash flow |  | Mortality |  | 0-100% (1%)
|  |  |  |  |  |  |  |  | Lapse |  | 0-25% (5%)
|  |  |  |  |  |  |  |  | Withdrawal |  | 0-7% (4%)
|  |  |  |  |  |  |  |  | Own Credit |  | 0-1% (1%)
|  |  |  |  |  |  |  |  | Long-term volatility |  | 0-27% (16%)
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Level Transfers [Table Text Block] |
|  |  |  |  | Three months ended June 30,
|  |  |  |  | 2012 |  | 2011
|  |  |  |  | Transfers from |  | Transfers from |  | Transfers from |  | Transfers from
|  |  |  |  | Level 1 to |  | Level 2 to |  | Level 1 to |  | Level 2 to
|  |  |  |  | Level 2 |  | Level 1 |  | Level 2 |  | Level 1
| Fixed maturity securities - available-for-sale: |  |  |  |  |  |  |  |  |  |  |
|  | Corporate securities | $ | 2,996 |  | $ | -- |  | $ | -- |  | $ | --
|  | U.S. government and agencies securities |  | -- |  |  | 11,152 |  |  | 23,065 |  |  | --
|  | State and political subdivision securities |  | 12,794 |  |  | -- |  |  | -- |  |  | --
|  | Other foreign government, supranational and foreign |  |  |  |  |  |  |  |  |  |  |
|  |  | government-sponsored enterprises |  | 1,059 |  |  | -- |  |  | 371 |  |  | --
| Total fixed maturity securities |  | 16,849 |  |  | 11,152 |  |  | 23,436 |  |  | --
|  | Other equity securities |  | -- |  |  | -- |  |  | 2,290 |  |  | --
| Total | $ | 16,849 |  | $ | 11,152 |  | $ | 25,726 |  | $ | --
|  |  |  |  | Six months ended June 30,
|  |  |  |  | 2012 |  | 2011
|  |  |  |  | Transfers from |  | Transfers from |  | Transfers from |  | Transfers from
|  |  |  |  | Level 1 to |  | Level 2 to |  | Level 1 to |  | Level 2 to
|  |  |  |  | Level 2 |  | Level 1 |  | Level 2 |  | Level 1
| Fixed maturity securities - available-for-sale: |  |  |  |  |  |  |  |  |  |  |
|  | Corporate securities | $ | 2,996 |  | $ | 4 |  | $ | -- |  | $ | --
|  | U.S. government and agencies securities |  | -- |  |  | 11,152 |  |  | 23,065 |  |  | --
|  | State and political subdivision securities |  | 12,794 |  |  | -- |  |  | -- |  |  | --
|  | Other foreign government, supranational and foreign |  |  |  |  |  |  |  |  |  |  |
|  |  | government-sponsored enterprises |  | 1,059 |  |  | -- |  |  | 371 |  |  | --
| Total fixed maturity securities |  | 16,849 |  |  | 11,156 |  |  | 23,436 |  |  | --
|  | Other equity securities |  | -- |  |  | -- |  |  | 2,290 |  |  | --
| Total | $ | 16,849 |  | $ | 11,156 |  | $ | 25,726 |  | $ | --
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Text Block] |
For the three months ended June 30, 2012: | Fixed maturity securities - available-for-sale
|  |  |  |  |  |  |  | Residential |  |  |  |  |  | Commercial |  |  | State
|  |  |  |  |  |  |  | mortgage- |  |  |  |  |  | mortgage- |  |  | and political
|  |  |  | Corporate |  |  | backed |  |  | Asset-backed |  |  | backed |  |  | subdivision
|  |  |  | securities |  |  | securities |  |  | securities |  |  | securities |  |  | securities
Fair value, beginning of period | $ | 977,671 |  | $ | 54,435 |  | $ | 146,362 |  | $ | 118,678 |  | $ | 5,239
| Total gains/losses (realized/unrealized) |  |  |  |  |  |  |  |  |  |  |  |  |  |
|  | Included in earnings, net: |  |  |  |  |  |  |  |  |  |  |  |  |  |
|  |  | Investment income, net of related expenses |  | 77 |  |  | 188 |  |  | 195 |  |  | 545 |  |  | 9
|  |  | Investment related gains (losses), net |  | (696) |  |  | (315) |  |  | 164 |  |  | 393 |  |  | (4)
|  |  | Claims & other policy benefits |  | -- |  |  | -- |  |  | -- |  |  | -- |  |  | --
|  |  | Interest credited |  | -- |  |  | -- |  |  | -- |  |  | -- |  |  | --
|  |  | Policy acquisition costs and other insurance expenses |  | -- |  |  | -- |  |  | -- |  |  | -- |  |  | --
|  | Included in other comprehensive income |  | 10,341 |  |  | (172) |  |  | 1,782 |  |  | (2,273) |  |  | 827
| Purchases(1) |  | 68,275 |  |  | 337 |  |  | 2,012 |  |  | -- |  |  | --
| Sales(1) |  | (17,876) |  |  | (8,219) |  |  | (7,902) |  |  | (1,552) |  |  | --
| Settlements(1) |  | (32,497) |  |  | (1,902) |  |  | (3,238) |  |  | (58) |  |  | (23)
| Transfers into Level 3 |  | -- |  |  | 7,176 |  |  | -- |  |  | -- |  |  | 8,438
| Transfers out of Level 3 |  | (11,281) |  |  | (1,937) |  |  | (11,017) |  |  | -- |  |  | --
Fair value, end of period | $ | 994,014 |  | $ | 49,591 |  | $ | 128,358 |  | $ | 115,733 |  | $ | 14,486
Unrealized gains and losses recorded in earnings for the period relating to those Level 3 assets and liabilities that were still held at the end of the period |  |  |  |  |  |  |  |  |  |  |  |  |  |
|  | Included in earnings, net: |  |  |  |  |  |  |  |  |  |  |  |  |  |
|  |  | Investment income, net of related expenses | $ | 84 |  | $ | 148 |  | $ | 151 |  | $ | 545 |  | $ | 9
|  |  | Investment related gains (losses), net |  | (380) |  |  | (161) |  |  | -- |  |  | -- |  |  | --
|  |  | Claims & other policy benefits |  | -- |  |  | -- |  |  | -- |  |  | -- |  |  | --
|  |  | Interest credited |  | -- |  |  | -- |  |  | -- |  |  | -- |  |  | --
|  |  | Policy acquisition costs and other insurance expenses |  | -- |  |  | -- |  |  | -- |  |  | -- |  |  | --
For the three months ended June 30, 2012 (continued): | Funds withheld |  |  |  | Reinsurance |  | Interest sensitive
|  |  |  | at interest- |  | Other invested |  | ceded receivable- |  | contract liabilities
|  |  |  | embedded |  | assets- other |  | embedded |  | embedded
|  |  |  | derivative |  | equity securities |  | derivative |  | derivative
Fair value, beginning of period | $ | (370,884) |  | $ | 11,827 |  | $ | 3,514 |  | $ | (903,282)
| Total gains/losses (realized/unrealized) |  |  |  |  |  |  |  |  |  |  |
|  | Included in earnings, net: |  |  |  |  |  |  |  |  |  |  |
|  |  | Investment income, net of related expenses |  | -- |  |  | -- |  |  | -- |  |  | --
|  |  | Investment related gains (losses), net |  | (4,453) |  |  | 1,098 |  |  | -- |  |  | (74,929)
|  |  | Claims & other policy benefits |  | -- |  |  | -- |  |  | -- |  |  | (1,721)
|  |  | Interest credited |  | -- |  |  | -- |  |  | -- |  |  | 27,825
|  |  | Policy acquisition costs and other insurance expenses |  | -- |  |  | -- |  |  | 1,003 |  |  | --
|  | Included in other comprehensive income |  | -- |  |  | 505 |  |  | -- |  |  | --
| Purchases(1) |  | -- |  |  | 108 |  |  | -- |  |  | (16,107)
| Sales(1) |  | -- |  |  | (3,788) |  |  | -- |  |  | --
| Settlements(1) |  | -- |  |  | -- |  |  | (101) |  |  | 29,287
| Transfers into Level 3 |  | -- |  |  | -- |  |  | -- |  |  | --
| Transfers out of Level 3 |  | -- |  |  | (6,523) |  |  | -- |  |  | --
Fair value, end of period | $ | (375,337) |  | $ | 3,227 |  | $ | 4,416 |  | $ | (938,927)
Unrealized gains and losses recorded in earnings for the period relating to those Level 3 assets and liabilities that were still held at the end of the period |  |  |  |  |  |  |  |  |  |  |
|  | Included in earnings, net: |  |  |  |  |  |  |  |  |  |  |
|  |  | Investment income, net of related expenses | $ | -- |  | $ | -- |  | $ | -- |  | $ | --
|  |  | Investment related gains (losses), net |  | (4,452) |  |  | (183) |  |  | -- |  |  | (76,737)
|  |  | Claims & other policy benefits |  | -- |  |  | -- |  |  | -- |  |  | (1,959)
|  |  | Interest credited |  | -- |  |  | -- |  |  | -- |  |  | (1,288)
|  |  | Policy acquisition costs and other insurance expenses |  | -- |  |  | -- |  |  | 1,143 |  |  | --
(1) | The amount reported within purchases, sales and settlements is the purchase price (for purchases) and the sales/settlement proceeds (for sales and settlements) based upon the actual date purchased or sold/settled. Items purchased and sold/settled in the same period are excluded from the rollforward. The Company had no issuances during the period.
For the six months ended June 30, 2012: | Fixed maturity securities - available-for-sale
|  |  |  |  |  |  |  | Residential |  |  |  |  |  | Commercial |  | State
|  |  |  |  |  |  |  | mortgage- |  |  |  |  |  | mortgage- |  | and political
|  |  |  | Corporate |  |  | backed |  |  | Asset-backed |  |  | backed |  | subdivision
|  |  |  | securities |  |  | securities |  |  | securities |  |  | securities |  | securities
Fair value, beginning of period | $ | 974,169 |  | $ | 81,655 |  | $ | 193,492 |  | $ | 115,976 |  | $ | 10,373
| Total gains/losses (realized/unrealized) |  |  |  |  |  |  |  |  |  |  |  |  |  |
|  | Included in earnings, net: |  |  |  |  |  |  |  |  |  |  |  |  |  |
|  |  | Investment income, net of related expenses |  | 107 |  |  | 298 |  |  | 444 |  |  | 1,133 |  |  | 4
|  |  | Investment related gains (losses), net |  | (1,280) |  |  | (36) |  |  | (506) |  |  | (11,682) |  |  | (8)
|  |  | Claims & other policy benefits |  | -- |  |  | -- |  |  | -- |  |  | -- |  |  | --
|  |  | Interest credited |  | -- |  |  | -- |  |  | -- |  |  | -- |  |  | --
|  |  | Policy acquisition costs and other insurance expenses |  | -- |  |  | -- |  |  | -- |  |  | -- |  |  | --
|  | Included in other comprehensive income |  | 9,659 |  |  | 1,408 |  |  | 8,477 |  |  | 11,248 |  |  | 1,233
| Purchases(1) |  | 89,435 |  |  | 582 |  |  | 2,012 |  |  | -- |  |  | --
| Sales(1) |  | (27,285) |  |  | (16,224) |  |  | (7,902) |  |  | (1,552) |  |  | --
| Settlements(1) |  | (53,371) |  |  | (3,702) |  |  | (7,103) |  |  | (58) |  |  | (46)
| Transfers into Level 3 |  | 17,445 |  |  | 7,176 |  |  | 1,080 |  |  | 10,846 |  |  | 8,438
| Transfers out of Level 3 |  | (14,865) |  |  | (21,566) |  |  | (61,636) |  |  | (10,178) |  |  | (5,508)
Fair value, end of period | $ | 994,014 |  | $ | 49,591 |  | $ | 128,358 |  | $ | 115,733 |  | $ | 14,486
Unrealized gains and losses recorded in earnings for the period relating to those Level 3 assets and liabilities that were still held at the end of the period |  |  |  |  |  |  |  |  |  |  |  |  |  |
|  | Included in earnings, net: |  |  |  |  |  |  |  |  |  |  |  |  |  |
|  |  | Investment income, net of related expenses | $ | 114 |  | $ | 255 |  | $ | 400 |  | $ | 1,133 |  | $ | 4
|  |  | Investment related gains (losses), net |  | (1,106) |  |  | (269) |  |  | (607) |  |  | (12,075) |  |  | --
|  |  | Claims & other policy benefits |  | -- |  |  | -- |  |  | -- |  |  | -- |  |  | --
|  |  | Interest credited |  | -- |  |  | -- |  |  | -- |  |  | -- |  |  | --
|  |  | Policy acquisition costs and other insurance expenses |  | -- |  |  | -- |  |  | -- |  |  | -- |  |  | --
For the six months ended June 30, 2012 (continued): | Funds withheld |  |  |  | Reinsurance |  | Interest sensitive
|  |  |  | at interest - |  | Other invested |  | ceded receivable- |  | contract liabilities
|  |  |  | embedded |  | assets- other |  | embedded |  | embedded
|  |  |  | deritvatives |  | equity securities |  | derivative |  | derivative
Fair value, beginning of period | $ | (361,456) |  | $ | 11,489 |  | $ | 4,945 |  | $ | (1,028,241)
| Total gains/losses (realized/unrealized) |  |  |  |  |  |  |  |  |  |  |
|  | Included in earnings, net: |  |  |  |  |  |  |  |  |  |  |
|  |  | Investment income, net of related expenses |  | -- |  |  | -- |  |  | -- |  |  | --
|  |  | Investment related gains (losses), net |  | (13,881) |  |  | 1,098 |  |  | -- |  |  | 71,446
|  |  | Claims & other policy benefits |  | -- |  |  | -- |  |  | -- |  |  | 557
|  |  | Interest credited |  | -- |  |  | -- |  |  | -- |  |  | 6,632
|  |  | Policy acquisition costs and other insurance expenses |  | -- |  |  | -- |  |  | (325) |  |  | --
|  | Included in other comprehensive income |  | -- |  |  | 843 |  |  | -- |  |  | --
| Purchases(1) |  | -- |  |  | 108 |  |  | -- |  |  | (39,697)
| Sales(1) |  | -- |  |  | (3,788) |  |  | -- |  |  | --
| Settlements(1) |  | -- |  |  | -- |  |  | (204) |  |  | 50,376
| Transfers into Level 3 |  | -- |  |  | -- |  |  | -- |  |  | --
| Transfers out of Level 3 |  | -- |  |  | (6,523) |  |  | -- |  |  | --
Fair value, end of period | $ | (375,337) |  | $ | 3,227 |  | $ | 4,416 |  | $ | (938,927)
Unrealized gains and losses recorded in earnings for the period relating to those Level 3 assets and liabilities that were still held at the end of the period |  |  |  |  |  |  |  |  |  |  |
|  | Included in earnings, net: |  |  |  |  |  |  |  |  |  |  |
|  |  | Investment income, net of related expenses | $ | -- |  | $ | -- |  | $ | -- |  | $ | --
|  |  | Investment related gains (losses), net |  | (13,881) |  |  | (183) |  |  | -- |  |  | 67,887
|  |  | Claims & other policy benefits |  | -- |  |  | -- |  |  | -- |  |  | 79
|  |  | Interest credited |  | -- |  |  | -- |  |  | -- |  |  | (43,395)
|  |  | Policy acquisition costs and other insurance expenses |  | -- |  |  | -- |  |  | (46) |  |  | --
(1) | The amount reported within purchases, sales and settlements is the purchase price (for purchases) and the sales/settlement proceeds (for sales and settlements) based upon the actual date purchased or sold/settled. Items purchased and sold/settled in the same period are excluded from the rollforward. The Company had no issuances during the period.
For the three months ended June 30, 2011: | Fixed maturity securities - available-for-sale
|  |  |  |  |  |  |  | Residential |  |  |  |  |  | Commercial
|  |  |  |  |  |  |  | mortgage- |  |  |  |  |  | mortgage-
|  |  |  | Corporate |  |  | backed |  |  | Asset-backed |  |  | backed
|  |  |  | securities |  |  | securities |  |  | securities |  |  | securities
Fair value, beginning of period | $ | 940,470 |  | $ | 138,568 |  | $ | 202,246 |  | $ | 203,394
| Total gains/losses (realized/unrealized) |  |  |  |  |  |  |  |  |  |  |
|  | Included in earnings, net: |  |  |  |  |  |  |  |  |  |  |
|  |  | Investment income, net of related expenses |  | 75 |  |  | 233 |  |  | 322 |  |  | 611
|  |  | Investment related gains (losses), net |  | 321 |  |  | (45) |  |  | (3,671) |  |  | (2,242)
|  |  | Claims & other policy benefits |  | -- |  |  | -- |  |  | -- |  |  | --
|  |  | Interest credited |  | -- |  |  | -- |  |  | -- |  |  | --
|  |  | Policy acquisition costs and other insurance expenses |  | -- |  |  | -- |  |  | -- |  |  | --
|  | Included in other comprehensive income |  | 9,228 |  |  | (2,910) |  |  | 3,182 |  |  | (5,825)
| Purchases (1) |  | 97,606 |  |  | 5,329 |  |  | 25,007 |  |  | 5,069
| Sales(1) |  | (19,563) |  |  | (6,635) |  |  | (3,998) |  |  | --
| Settlements(1) |  | (25,050) |  |  | (4,205) |  |  | (8,693) |  |  | (3,080)
| Transfers into Level 3 |  | 26,268 |  |  | -- |  |  | 10,175 |  |  | 11,665
| Transfers out of Level 3 |  | (51,795) |  |  | (26,905) |  |  | (35,797) |  |  | (58,827)
Fair value, end of period | $ | 977,560 |  | $ | 103,430 |  | $ | 188,773 |  | $ | 150,765
For the three months ended June 30, 2011 (continued): | Fixed maturity securities - available-for-sale
|  |  |  |  |  |  |  | Residential |  |  |  |  |  | Commercial
|  |  |  |  |  |  |  | mortgage- |  |  |  |  |  | mortgage-
|  |  |  | Corporate |  |  | backed |  |  | Asset-backed |  |  | backed
|  |  |  | securities |  |  | securities |  |  | securities |  |  | securities
Unrealized gains and losses recorded in earnings for the period relating to those Level 3 assets and liabilities that were still held at the end of the period |  |  |  |  |  |  |  |  |  |  |
|  | Included in earnings, net: |  |  |  |  |  |  |  |  |  |  |
|  |  | Investment income, net of related expenses | $ | 56 |  | $ | 216 |  | $ | 331 |  | $ | 601
|  |  | Investment related gains (losses), net |  | -- |  |  | (44) |  |  | (2,998) |  |  | (2,254)
|  |  | Claims & other policy benefits |  | -- |  |  | -- |  |  | -- |  |  | --
|  |  | Interest credited |  | -- |  |  | -- |  |  | -- |  |  | --
|  |  | Policy acquisition costs and other insurance expenses |  | -- |  |  | -- |  |  | -- |  |  | --
For the three months ended June 30, 2011 (continued): | Fixed maturity securities - |  |  |
|  |  |  | available-for-sale |  |  |
|  |  |  |  |  | Other foreign |  |
|  |  |  | State |  | government, |  | Funds withheld
|  |  |  | and political |  | supranational and |  | at interest-
|  |  |  | subdivision |  | foreign government- |  | embedded
|  |  |  | securities |  | sponsored enterprises |  | derivative
Fair value, beginning of period | $ | 45,081 |  | $ | 6,495 |  | $ | (183,685)
| Total gains/losses (realized/unrealized) |  |  |  |  |  |  |  |
|  | Included in earnings, net: |  |  |  |  |  |  |  |
|  |  | Investment income, net of related expenses |  | 2 |  |  | -- |  |  | --
|  |  | Investment related gains (losses), net |  | (3) |  |  | -- |  |  | 10,525
|  |  | Claims & other policy benefits |  | -- |  |  | -- |  |  | --
|  |  | Interest credited |  | -- |  |  | -- |  |  | --
|  |  | Policy acquisition costs and other insurance expenses |  | -- |  |  | -- |  |  | --
|  | Included in other comprehensive income |  | 939 |  |  | 110 |  |  | --
| Purchases(1) |  | -- |  |  | -- |  |  | --
| Sales(1) |  | -- |  |  | -- |  |  | --
| Settlements(1) |  | (22) |  |  | -- |  |  | --
| Transfers into Level 3 |  | 14,260 |  |  | -- |  |  | --
| Transfers out of Level 3 |  | (37,325) |  |  | (2,531) |  |  | --
Fair value, end of period | $ | 22,932 |  | $ | 4,074 |  | $ | (173,160)
Unrealized gains and losses recorded in earnings for the period relating to those Level 3 assets and liabilities that were still held at the end of the period |  |  |  |  |  |  |  |
|  | Included in earnings, net: |  |  |  |  |  |  |  |
|  |  | Investment income, net of related expenses | $ | 2 |  | $ | -- |  | $ | --
|  |  | Investment related gains (losses), net |  | -- |  |  | -- |  |  | 10,525
|  |  | Claims & other policy benefits |  | -- |  |  | -- |  |  | --
|  |  | Interest credited |  | -- |  |  | -- |  |  | --
|  |  | Policy acquisition costs and other insurance expenses |  | -- |  |  | -- |  |  | --
For the three months ended June 30, 2011 (continued): | Other invested |  |  |  | Reinsurance |  | Interest sensitive
|  |  |  | assets- non- |  | Other invested |  | ceded receivable- |  | contract liabilities
|  |  |  | redeemable |  | assets- other |  | embedded |  | embedded
|  |  |  | preferred stock |  | equity securities |  | derivative |  | derivative
Fair value, beginning of period | $ | 420 |  | $ | 14,134 |  | $ | 82,482 |  | $ | (739,017)
| Total gains/losses (realized/unrealized) |  |  |  |  |  |  |  |  |  |  |
|  | Included in earnings, net: |  |  |  |  |  |  |  |  |  |  |
|  |  | Investment income, net of related expenses |  | -- |  |  | -- |  |  | -- |  |  | --
|  |  | Investment related gains (losses), net |  | -- |  |  | 3,504 |  |  | -- |  |  | (25,860)
|  |  | Claims & other policy benefits |  | -- |  |  | -- |  |  | -- |  |  | (603)
|  |  | Interest credited |  | -- |  |  | -- |  |  | -- |  |  | (36,267)
|  |  | Policy acquisition costs and other insurance expenses |  | -- |  |  | -- |  |  | 4,473 |  |  | --
|  | Included in other comprehensive income |  | -- |  |  | (2,704) |  |  | -- |  |  | --
| Purchases(1) |  | -- |  |  | -- |  |  | 1,831 |  |  | (21,302)
| Sales(1) |  | (420) |  |  | (3,933) |  |  | -- |  |  | --
| Settlements(1) |  | -- |  |  | -- |  |  | (2,757) |  |  | 18,878
| Transfers into Level 3 |  | -- |  |  | -- |  |  | -- |  |  | --
| Transfers out of Level 3 |  | -- |  |  | -- |  |  | -- |  |  | --
Fair value, end of period | $ | -- |  | $ | 11,001 |  | $ | 86,029 |  | $ | (804,171)
Unrealized gains and losses recorded in earnings for the period relating to those Level 3 assets and liabilities that were still held at the end of the period |  |  |  |  |  |  |  |  |  |  |
|  | Included in earnings, net: |  |  |  |  |  |  |  |  |  |  |
|  |  | Investment income, net of related expenses | $ | -- |  | $ | -- |  | $ | -- |  | $ | --
|  |  | Investment related gains (losses), net |  | -- |  |  | -- |  |  | -- |  |  | (25,861)
|  |  | Claims & other policy benefits |  | -- |  |  | -- |  |  | -- |  |  | (1,370)
|  |  | Interest credited |  | -- |  |  | -- |  |  | -- |  |  | (55,145)
|  |  | Policy acquisition costs and other insurance expenses |  | -- |  |  | -- |  |  | 10,645 |  |  | --
(1) | The amount reported within purchases, sales and settlements is the purchase price (for purchases) and the sales/settlement proceeds (for sales and settlements) based upon the actual date purchased or sold/settled. Items purchased and sold/settled in the same period are excluded from the rollforward. The Company had no issuances during the period.
For the six months ended June 30, 2011: | Fixed maturity securities - available-for-sale
|  |  |  |  |  |  |  | Residential |  |  |  |  |  | Commercial
|  |  |  |  |  |  |  | mortgage- |  |  |  |  |  | mortgage-
|  |  |  | Corporate |  |  | backed |  |  | Asset-backed |  |  | backed
|  |  |  | securities |  |  | securities |  |  | securities |  |  | securities
Fair value, beginning of period | $ | 872,179 |  | $ | 183,291 |  | $ | 228,558 |  | $ | 147,556
| Total gains/losses (realized/unrealized) |  |  |  |  |  |  |  |  |  |  |
|  | Included in earnings, net: |  |  |  |  |  |  |  |  |  |  |
|  |  | Investment income, net of related expenses |  | 162 |  |  | 493 |  |  | 904 |  |  | 1,169
|  |  | Investment related gains (losses), net |  | 741 |  |  | (401) |  |  | (2,827) |  |  | (2,732)
|  |  | Claims & other policy benefits |  | -- |  |  | -- |  |  | -- |  |  | --
|  |  | Interest credited |  | -- |  |  | -- |  |  | -- |  |  | --
|  |  | Policy acquisition costs and other insurance expenses |  | -- |  |  | -- |  |  | -- |  |  | --
|  | Included in other comprehensive income |  | 9,450 |  |  | 4,484 |  |  | 7,413 |  |  | 27,316
| Purchases(1) |  | 197,807 |  |  | 5,782 |  |  | 29,880 |  |  | 7,683
| Sales(1) |  | (21,071) |  |  | (20,701) |  |  | (22,298) |  |  | --
| Settlements(1) |  | (75,730) |  |  | (12,365) |  |  | (16,841) |  |  | (3,410)
| Transfers into Level 3 |  | 60,679 |  |  | 5,001 |  |  | 21,501 |  |  | 66,854
| Transfers out of Level 3 |  | (66,657) |  |  | (62,154) |  |  | (57,517) |  |  | (93,671)
Fair value, end of period | $ | 977,560 |  | $ | 103,430 |  | $ | 188,773 |  | $ | 150,765
Unrealized gains and losses recorded in earnings for the period relating to those Level 3 assets and liabilities that were still held at the end of the period |  |  |  |  |  |  |  |  |  |  |
|  | Included in earnings, net: |  |  |  |  |  |  |  |  |  |  |
|  |  | Investment income, net of related expenses | $ | 130 |  | $ | 474 |  | $ | 838 |  | $ | 1,155
|  |  | Investment related gains (losses), net |  | (514) |  |  | (44) |  |  | (3,551) |  |  | (2,743)
|  |  | Claims & other policy benefits |  | -- |  |  | -- |  |  | -- |  |  | --
|  |  | Interest credited |  | -- |  |  | -- |  |  | -- |  |  | --
|  |  | Policy acquisition costs and other insurance expenses |  | -- |  |  | -- |  |  | -- |  |  | --
For the six months ended June 30, 2011 (continued): | Fixed maturity securities - |  |  |  |  |  |
|  |  |  | available-for-sale |  |  |  |  |  |
|  |  |  | State |  |  |  | Funds withheld |  |  |
|  |  |  | and political |  | Other foreign |  | at interest- |  |  |
|  |  |  | subdivision |  | government |  | embedded |  |
|  |  |  | securities |  | securities |  | derivative |  |
Fair value, beginning of period | $ | 6,983 |  | $ | 6,736 |  | $ | (274,220) |  |  |
| Total gains/losses (realized/unrealized) |  |  |  |  |  |  |  |  |  |  |
|  | Included in earnings, net: |  |  |  |  |  |  |  |  |  |  |
|  |  | Investment income, net of related expenses |  | 370 |  |  | 1 |  |  | -- |  |  |
|  |  | Investment related gains (losses), net |  | (8) |  |  | -- |  |  | 101,060 |  |  |
|  |  | Claims & other policy benefits |  | -- |  |  | -- |  |  | -- |  |  |
|  |  | Interest credited |  | -- |  |  | -- |  |  | -- |  |  |
|  |  | Policy acquisition costs and other insurance expenses |  | -- |  |  | -- |  |  | -- |  |  |
|  | Included in other comprehensive income |  | 3,615 |  |  | 8 |  |  | -- |  |  |
| Purchases(1) |  | 871 |  |  | -- |  |  | -- |  |  |
| Sales(1) |  | -- |  |  | (161) |  |  | -- |  |  |
| Settlements(1) |  | (43) |  |  | -- |  |  | -- |  |  |
| Transfers into Level 3 |  | 48,469 |  |  | 21 |  |  | -- |  |  |
| Transfers out of Level 3 |  | (37,325) |  |  | (2,531) |  |  | -- |  |  |
Fair value, end of period | $ | 22,932 |  | $ | 4,074 |  | $ | (173,160) |  |  |
Unrealized gains and losses recorded in earnings for the period relating to those Level 3 assets and liabilities that were still held at the end of the period |  |  |  |  |  |  |  |  |  |  |
|  | Included in earnings, net: |  |  |  |  |  |  |  |  |  |  |
|  |  | Investment income, net of related expenses | $ | 370 |  | $ | (36) |  | $ | -- |  |  |
|  |  | Investment related gains (losses), net |  | -- |  |  | -- |  |  | 101,060 |  |  |
|  |  | Claims & other policy benefits |  | -- |  |  | -- |  |  | -- |  |  |
|  |  | Interest credited |  | -- |  |  | -- |  |  | -- |  |  |
|  |  | Policy acquisition costs and other insurance expenses |  | -- |  |  | -- |  |  | -- |  |  |
For the six months ended June 30, 2011 (continued): | Other invested |  |  |  | Reinsurance |  | Interest sensitive
|  |  |  | assets- non- |  | Other invested |  | ceded receivable- |  | contract liabilities
|  |  |  | redeemable |  | assets- other |  | embedded |  | embedded
|  |  |  | preferred stock |  | equity securities |  | derivative |  | derivative
Fair value, beginning of period | $ | 420 |  | $ | 16,416 |  | $ | 75,431 |  | $ | (721,485)
| Total gains/losses (realized/unrealized) |  |  |  |  |  |  |  |  |  |  |
|  | Included in earnings, net: |  |  |  |  |  |  |  |  |  |  |
|  |  | Investment income, net of related expenses |  | -- |  |  | -- |  |  | -- |  |  | --
|  |  | Investment related gains (losses), net |  | -- |  |  | 3,504 |  |  | -- |  |  | 6,794
|  |  | Claims & other policy benefits |  | -- |  |  | -- |  |  | -- |  |  | 317
|  |  | Interest credited |  | -- |  |  | -- |  |  | -- |  |  | (86,116)
|  |  | Policy acquisition costs and other insurance expenses |  | -- |  |  | -- |  |  | 12,312 |  |  | --
|  | Included in other comprehensive income |  | -- |  |  | (4,987) |  |  | -- |  |  | --
| Purchases(1) |  | -- |  |  | -- |  |  | 4,264 |  |  | (41,220)
| Sales(1) |  | (420) |  |  | (3,932) |  |  | -- |  |  | --
| Settlements(1) |  | -- |  |  | -- |  |  | (5,978) |  |  | 37,539
| Transfers into Level 3 |  | -- |  |  | -- |  |  | -- |  |  | --
| Transfers out of Level 3 |  | -- |  |  | -- |  |  | -- |  |  | --
Fair value, end of period | $ | -- |  | $ | 11,001 |  | $ | 86,029 |  | $ | (804,171)
Unrealized gains and losses recorded in earnings for the period relating to those Level 3 assets and liabilities that were still held at the end of the period |  |  |  |  |  |  |  |  |  |  |
|  | Included in earnings, net: |  |  |  |  |  |  |  |  |  |  |
|  |  | Investment income, net of related expenses | $ | -- |  | $ | -- |  | $ | -- |  | $ | --
|  |  | Investment related gains (losses), net |  | -- |  |  | -- |  |  | -- |  |  | 6,794
|  |  | Claims & other policy benefits |  | -- |  |  | -- |  |  | -- |  |  | (16)
|  |  | Interest credited |  | -- |  |  | -- |  |  | -- |  |  | (123,655)
|  |  | Policy acquisition costs and other insurance expenses |  | -- |  |  | -- |  |  | 18,485 |  |  | --
(1) | The amount reported within purchases, sales and settlements is the purchase price (for purchases) and the sales/settlement proceeds (for sales and settlements) based upon the actual date purchased or sold/settled. Items purchased and sold/settled in the same period are excluded from the rollforward. The Company had no issuances during the period.
Financial Instruments Carrying Amounts And Estimated Fair Value [Text Block] |
June 30, 2012 |  |  |  |  | Estimated Fair |  | Fair Value Measurement Using:
|  |  |  | Carrying Value |  |  | Value |  |  | Level 1 |  | Level 2 |  | Level 3
Assets: |  |  |  |  |  |  |  |  |  |  |  |  |  |
| Mortgage loans on real estate | $ | 1,157,049 |  | $ | 1,254,696 |  | $ | -- |  | $ | -- |  | $ | 1,254,696
| Policy loans |  | 1,250,238 |  |  | 1,250,238 |  |  | -- |  |  | 1,250,238 |  |  | --
| Funds withheld at interest(1) |  | 5,457,888 |  |  | 6,229,065 |  |  | -- |  |  | -- |  |  | 6,229,065
| Cash and cash equivalents(2) |  | 578,746 |  |  | 578,746 |  |  | 578,746 |  |  | -- |  |  | --
| Short-term investments(2) |  | 46,277 |  |  | 46,277 |  |  | 46,277 |  |  | -- |  |  | --
| Investment receivable |  | 5,406,898 |  |  | 5,457,290 |  |  | 753,221 |  |  | 3,172,107 |  |  | 1,531,962
| Other invested assets(2) |  | 497,238 |  |  | 508,730 |  |  | -- |  |  | 18,900 |  |  | 489,830
| Accrued investment income |  | 182,586 |  |  | 182,586 |  |  | -- |  |  | 182,586 |  |  | --
Liabilities: |  |  |  |  |  |  |  |  |  |  |  |  |  |
| Interest-sensitive contract liabilities(1) | $ | 11,486,794 |  | $ | 11,553,027 |  | $ | -- |  | $ | -- |  | $ | 11,553,027
| Long-term debt |  | 1,414,969 |  |  | 1,481,569 |  |  | -- |  |  | -- |  |  | 1,481,569
| Collateral finance facility |  | 651,936 |  |  | 423,475 |  |  | -- |  |  | -- |  |  | 423,475
December 31, 2011: |  |  |  |  | Estimated Fair |  |  |  |  |  |  |  |  |
|  |  |  | Carrying Value |  | Value |  |  |  |  |  |  |  |  |
Assets: |  |  |  |  |  |  |  |  |  |  |  |  |  |
| Mortgage loans on real estate | $ | 991,731 |  | $ | 1,081,924 |  |  |  |  |  |  |  |  |
| Policy loans |  | 1,260,400 |  |  | 1,260,400 |  |  |  |  |  |  |  |  |
| Funds withheld at interest(1) |  | 5,410,424 |  |  | 6,041,984 |  |  |  |  |  |  |  |  |
| Cash and cash equivalents(2) |  | 458,348 |  |  | 458,348 |  |  |  |  |  |  |  |  |
| Short-term investments(2) |  | 41,895 |  |  | 41,895 |  |  |  |  |  |  |  |  |
| Other invested assets(2) |  | 500,681 |  |  | 503,293 |  |  |  |  |  |  |  |  |
| Accrued investment income |  | 144,334 |  |  | 144,334 |  |  |  |  |  |  |  |  |
Liabilities: |  |  |  |  |  |  |  |  |  |  |  |  |  |
| Interest-sensitive contract liabilities(1) | $ | 6,203,001 |  | $ | 6,307,779 |  |  |  |  |  |  |  |  |
| Long-term debt |  | 1,414,688 |  |  | 1,462,329 |  |  |  |  |  |  |  |  |
| Collateral finance facility |  | 652,032 |  |  | 390,900 |  |  |  |  |  |  |  |  |
(1) | Carrying values presented herein differ from those presented in the condensed consolidated balance sheets because certain items within the respective financial statement caption are embedded derivatives and are measured at fair value on a recurring basis.
(2) | Carrying values presented herein differ from those presented in the condensed consolidated balance sheets because certain items within the respective financial statement caption are measured at fair value on a recurring basis.

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- Definition This element represents the disclosure related to transfers of assets and liabilities between level 1 and level 2 for items measured at fair value on a recurring and/or nonrecurring basis in periods after initial recognition. + References No definition available. + Details
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- Definition Tabular disclosure of the fair value measurement of assets and liabilities using significant unobservable inputs (Level 3), a reconciliation of the beginning and ending balances, separately presenting changes during the period attributable to the following: (1) total gains or losses for the period (realized and unrealized), segregating those gains or losses included in earnings (or changes in net assets), and gains or losses recognized in other comprehensive income and a description of where those gains or losses included in earnings (or changes in net assets) are reported in the statement of income (or activities); (2) purchases, sales, issuances, and settlements (each type disclosed separately); and (3) transfers in and transfers out of Level 3 (for example, transfers due to changes in the observability of significant inputs) by class of asset and liability. + References No definition available. + Details
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- Details
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- Definition Tabular disclosure of the quantitative information regarding significant unobservable inputs used in Level 3 fair value measurements that are developed by the company presented by asset and liability class. + References No definition available. + Details
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- Definition Carrying amounts and estimated fair value of financial instruments. + References No definition available. + Details
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- Definition Tabular disclosure of assets and liabilities, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Topic 820 -SubTopic 10 -Publisher FASB -Number -Article -Subparagraph -Name Accounting Standards Codification -Paragraph 1 -Section 50 -URI http://asc.fasb.org/extlink&oid=6925170&loc=d3e19190-110258 + Details
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