| Schedule Of Assets And Liabilities Measured At Fair Value On A Recurring Basis |
Below is a summary of the assets and liabilities that are measured at fair value on a recurring basis and also represents the carrying amount on the Company’s consolidated balance sheet: | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | At March 31, 2012 | Total | | Quoted Prices in Active Markets for Identical Assets (Level 1) | | Significant Other Observable Inputs (Level 2) | | Significant Unobservable Inputs (Level 3) | | | Fixed maturity investments | | | | | | | | | | U.S. treasuries | $ | 1,309,243 |
| | $ | 1,309,243 |
| | $ | — |
| | $ | — |
| | | Agencies | 343,575 |
| | — |
| | 343,575 |
| | — |
| | | Non-U.S. government (Sovereign debt) | 130,899 |
| | — |
| | 130,899 |
| | — |
| | | FDIC guaranteed corporate | 103,554 |
| | — |
| | 103,554 |
| | — |
| | | Non-U.S. government-backed corporate | 501,160 |
| | — |
| | 501,160 |
| | — |
| | | Corporate | 1,146,211 |
| | — |
| | 1,118,373 |
| | 27,838 |
| | | Agency mortgage-backed | 319,215 |
| | — |
| | 319,215 |
| | — |
| | | Non-agency mortgage-backed | 108,047 |
| | — |
| | 108,047 |
| | — |
| | | Commercial mortgage-backed | 329,343 |
| | — |
| | 329,343 |
| | — |
| | | Asset-backed | 10,872 |
| | — |
| | 10,872 |
| | — |
| | | Total fixed maturity investments | 4,302,119 |
| | 1,309,243 |
| | 2,965,038 |
| | 27,838 |
| | | Short term investments | 1,172,839 |
| | — |
| | 1,172,839 |
| | — |
| | | Equity investments trading | 53,080 |
| | 53,080 |
| | — |
| | — |
| | | Other investments | | | | | | | | | | Private equity partnerships | 389,451 |
| | — |
| | — |
| | 389,451 |
| | | Senior secured bank loan funds | 266,141 |
| | — |
| | 245,141 |
| | 21,000 |
| | | Catastrophe bonds | 95,827 |
| | — |
| | 95,827 |
| | — |
| | | Non-U.S. fixed income funds | 31,713 |
| | — |
| | 31,713 |
| | — |
| | | Hedge funds | 22,310 |
| | — |
| | 15,564 |
| | 6,746 |
| | | Miscellaneous other investments | 1,340 |
| | — |
| | — |
| | 1,340 |
| | | Total other investments | 806,782 |
| | — |
| | 388,245 |
| | 418,537 |
| | | Other assets and (liabilities) | | | | | | | | | | Assumed and ceded (re)insurance contracts | 6,163 |
| | — |
| | — |
| | 6,163 |
| | | Derivatives (1) | 33,405 |
| | 413 |
| | 6,427 |
| | 26,565 |
| | | Other | 13,936 |
| | (1,481 | ) | | — |
| | 15,417 |
| | | Total other assets and (liabilities) | 53,504 |
| | (1,068 | ) | | 6,427 |
| | 48,145 |
| | | | $ | 6,388,324 |
| | $ | 1,361,255 |
| | $ | 4,532,549 |
| | $ | 494,520 |
| | | | | | | | | | | |
(1) See "Note 11. Derivative Instruments" for additional information related to the fair value by type of contract, of derivatives entered into by the Company.
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | At December 31, 2011 | Total | | Quoted Prices in Active Markets for Identical Assets (Level 1) | | Significant Other Observable Inputs (Level 2) | | Significant Unobservable Inputs (Level 3) | | | Fixed maturity investments | | | | | | | | | | U.S. treasuries | $ | 885,152 |
| | $ | 885,152 |
| | $ | — |
| | $ | — |
| | | Agencies | 158,561 |
| | — |
| | 158,561 |
| | — |
| | | Non-U.S. government (Sovereign debt) | 227,912 |
| | — |
| | 227,912 |
| | — |
| | | FDIC guaranteed corporate | 423,630 |
| | — |
| | 423,630 |
| | — |
| | | Non-U.S. government-backed corporate | 641,082 |
| | — |
| | 641,082 |
| | — |
| | | Corporate | 1,206,904 |
| | — |
| | 1,179,143 |
| | 27,761 |
| | | Agency mortgage-backed | 441,749 |
| | — |
| | 441,749 |
| | — |
| | | Non-agency mortgage-backed | 104,771 |
| | — |
| | 104,771 |
| | — |
| | | Commercial mortgage-backed | 325,729 |
| | — |
| | 325,729 |
| | — |
| | | Asset-backed | 18,027 |
| | — |
| | 18,027 |
| | — |
| | | Total fixed maturity investments | 4,433,517 |
| | 885,152 |
| | 3,520,604 |
| | 27,761 |
| | | Short term investments | 905,477 |
| | — |
| | 905,477 |
| | — |
| | | Equity investments trading | 50,560 |
| | 50,560 |
| | — |
| | — |
| | | Other investments | | | | | | | | | | Private equity partnerships | 367,909 |
| | — |
| | — |
| | 367,909 |
| | | Senior secured bank loan funds | 257,870 |
| | — |
| | 237,815 |
| | 20,055 |
| | | Catastrophe bonds | 70,999 |
| | — |
| | 70,999 |
| | — |
| | | Non-U.S. fixed income funds | 28,862 |
| | — |
| | 28,862 |
| | — |
| | | Hedge funds | 21,344 |
| | — |
| | 14,782 |
| | 6,562 |
| | | Miscellaneous other investments | 2,000 |
| | — |
| | — |
| | 2,000 |
| | | Total other investments | 748,984 |
| | — |
| | 352,458 |
| | 396,526 |
| | | Other assets and (liabilities) | | | | | | | | | | Assumed and ceded (re)insurance contracts | 2,115 |
| | — |
| | — |
| | 2,115 |
| | | Derivatives (1) | 3,312 |
| | 707 |
| | (6,293 | ) | | 8,898 |
| | | Other | 10,644 |
| | (6,869 | ) | | — |
| | 17,513 |
| | | Total other assets and (liabilities) | 16,071 |
| | (6,162 | ) | | (6,293 | ) | | 28,526 |
| | | | $ | 6,154,609 |
| | $ | 929,550 |
| | $ | 4,772,246 |
| | $ | 452,813 |
| | | | | | | | | | | |
(1) See "Note 11. Derivative Instruments" for additional information related to the fair value by type of contract, of derivatives entered into by the Company. |
| Reconciliation Of Assets And Liabilities Measured At Fair Value On A Recurring Basis Using Level 3 Inputs |
Below is a reconciliation of the beginning and ending balances, for the periods shown, of assets and liabilities measured at fair value on a recurring basis using Level 3 inputs. Interest and dividend income are included in net investment income and are excluded from the reconciliation. | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Fair Value Measurements Using Significant Unobservable Inputs (Level 3) | | | | Fixed maturity investments, trading | | Other investments | | Other assets and (liabilities) | | Total | | | Balance – January 1, 2012 | $ | 27,761 |
| | $ | 396,526 |
| | $ | 28,526 |
| | $ | 452,813 |
| | | Total unrealized gains (losses) | | | | | | | | | | Included in net investment income | 77 |
| | 29,107 |
| | — |
| | 29,184 |
| | | Included in other loss | — |
| | — |
| | 18,563 |
| | 18,563 |
| | | Total realized gains | | | | | | | | | | Included in net investment income | — |
| | — |
| | — |
| | — |
| | | Included in other loss | — |
| | — |
| | (55,308 | ) | | (55,308 | ) | | | Total foreign exchange losses | — |
| | 730 |
| | (377 | ) | | 353 |
| | | Purchases | — |
| | 12,689 |
| | 9,281 |
| | 21,970 |
| | | Sales | — |
| | — |
| | (13,431 | ) | | (13,431 | ) | | | Settlements | — |
| | (20,515 | ) | | 60,891 |
| | 40,376 |
| | | Net transfers into Level 3 | — |
| | — |
| | — |
| | — |
| | | Balance – March 31, 2012 | $ | 27,838 |
| | $ | 418,537 |
| | $ | 48,145 |
| | $ | 494,520 |
| | | | | | | | | | | | | Change in unrealized gains (losses) for the period included in earnings for assets held at the end of the period included in net investment income | $ | 77 |
| | $ | 29,107 |
| | $ | — |
| | $ | 29,184 |
| | | Change in unrealized gains (losses) for the period included in earnings for assets held at the end of the period included in other loss | $ | — |
| | $ | — |
| | $ | 10,513 |
| | $ | 10,513 |
| | | | | | | | | | | |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Fair Value Measurements Using Significant Unobservable Inputs (Level 3) | | | | Fixed maturity investments trading | | Other investments | | Other assets and (liabilities) | | Total | | | Balance – January 1, 2011 | $ | 21,785 |
| | $ | 362,102 |
| | $ | 16,499 |
| | $ | 400,386 |
| | | Total unrealized gains (losses) | | | | | | | | | | Included in net investment income | 41 |
| | 23,757 |
| | — |
| | 23,798 |
| | | Included in other income | — |
| | — |
| | 40,068 |
| | 40,068 |
| | | Total realized gains | | | | | | | | | | Included in net investment income | — |
| | — |
| | — |
| | — |
| | | Included in other income | — |
| | — |
| | 10,955 |
| | 10,955 |
| | | Total foreign exchange losses | — |
| | 1,369 |
| | (51 | ) | | 1,318 |
| | | Purchases | — |
| | 17,465 |
| | 1,631 |
| | 19,096 |
| | | Sales | — |
| | — |
| | (4,160 | ) | | (4,160 | ) | | | Settlements | — |
| | (22,878 | ) | | 3,438 |
| | (19,440 | ) | | | Net transfers into Level 3 | — |
| | — |
| | — |
| | — |
| | | Balance – March 31, 2011 | $ | 21,826 |
| | $ | 381,815 |
| | $ | 68,380 |
| | $ | 472,021 |
| | | | | | | | | | | | | Change in unrealized gains (losses) for the period included in earnings for assets held at the end of the period included in net investment income | $ | 41 |
| | $ | 23,757 |
| | $ | — |
| | $ | 23,798 |
| | | Change in unrealized gains (losses) for the period included in earnings for assets held at the end of the period included in other income | $ | — |
| | $ | — |
| | $ | 45,474 |
| | $ | 45,474 |
| | | | | | | | | | | |
|