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Net Investment Gains (Losses) (Net Investment Gains (Losses)) (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2022 | Jun. 30, 2021 | Jun. 30, 2022 | Jun. 30, 2021
Investments, Debt and Equity Securities [Abstract] |  |  |  |
Fixed maturity securities, gains | $ 647 | $ 5,440 | $ 2,352 | $ 13,680
Fixed maturity securities, losses | (3,459) | (2,236) | (6,443) | (4,307)
Net realized gains on investment sales | 41 | 6,256 | 946 | 14,828
Change in unrealized losses | (131,530) | (18,239) | (38,317) | (42,574)
Investment funds | (2,362) | (300) | (4,524) | 47,371
Real estate (2) | 358 | 49,492 | 286,550 | 62,401
Loans receivable | 0 | (881) | (32) | (881)
Other | (27,630) | (19,071) | (34,585) | (18,299)
Net realized and unrealized (losses) gains on investments in earnings before allowance for expected credit losses | (163,935) | 20,461 | 205,947 | 72,219
Fixed maturity securities | (6,874) | 1,375 | (10,780) | (16,783)
Loans receivable | (746) | 2,228 | (457) | 3,467
Change in allowance for expected credit losses on investments | (7,620) | 3,603 | (11,237) | (13,316)
Net investment (losses) gains | (171,555) | 24,064 | 194,710 | 58,903
Income tax benefit (expense) | 37,519 | (5,264) | (40,923) | (11,151)
After-tax net investment (losses) gains | $ (134,036) | $ 18,800 | $ 153,787 | $ 47,752

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