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Policyholder Liabilities - Account Balances by Guaranteed Minimum Interest Rates (Details) - USD ($) $ in Thousands | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | --- | ---
Policyholder Account Balance [Line Items] |  |  |
Other | $ 58,781,836 | $ 62,614,822 |
Fixed Index Annuities |  |  |
Policyholder Account Balance [Line Items] |  |  |
Other | 53,826,234 | 55,003,305 | $ 53,612,622
Allocated to index strategies | 45,550,513 | 47,058,839 |
Fixed Index Annuities | 0.00% - 0.50% |  |  |
Policyholder Account Balance [Line Items] |  |  |
Other | $ 1,184,711 | $ 723,020 |
Fixed Index Annuities | 0.00% - 0.50% | Minimum |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balance, guaranteed minimum credit rating | 0.00% | 0.00% |
Fixed Index Annuities | 0.00% - 0.50% | Maximum |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balance, guaranteed minimum credit rating | 0.50% | 0.50% |
Fixed Index Annuities | 0.50% - 1.00% |  |  |
Policyholder Account Balance [Line Items] |  |  |
Other | $ 5,857,020 | $ 5,886,524 |
Fixed Index Annuities | 0.50% - 1.00% | Minimum |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balance, guaranteed minimum credit rating | 0.50% | 0.50% |
Fixed Index Annuities | 0.50% - 1.00% | Maximum |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balance, guaranteed minimum credit rating | 1.00% | 1.00% |
Fixed Index Annuities | 1.00% - 1.50% |  |  |
Policyholder Account Balance [Line Items] |  |  |
Other | $ 60,977 | $ 66,886 |
Fixed Index Annuities | 1.00% - 1.50% | Minimum |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balance, guaranteed minimum credit rating | 1.00% | 1.00% |
Fixed Index Annuities | 1.00% - 1.50% | Maximum |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balance, guaranteed minimum credit rating | 1.50% | 1.50% |
Fixed Index Annuities | 1.50% - 2.00% |  |  |
Policyholder Account Balance [Line Items] |  |  |
Other | $ 57 | $ 84 |
Fixed Index Annuities | 1.50% - 2.00% | Minimum |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balance, guaranteed minimum credit rating | 1.50% | 1.50% |
Fixed Index Annuities | 1.50% - 2.00% | Maximum |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balance, guaranteed minimum credit rating | 2.00% | 2.00% |
Fixed Index Annuities | 2.00% - 2.50% |  |  |
Policyholder Account Balance [Line Items] |  |  |
Other | $ 233,272 | $ 256,140 |
Fixed Index Annuities | 2.00% - 2.50% | Minimum |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balance, guaranteed minimum credit rating | 2.00% | 2.00% |
Fixed Index Annuities | 2.00% - 2.50% | Maximum |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balance, guaranteed minimum credit rating | 2.50% | 2.50% |
Fixed Index Annuities | 2.50% - 3.00% |  |  |
Policyholder Account Balance [Line Items] |  |  |
Other | $ 939,684 | $ 1,011,812 |
Fixed Index Annuities | 2.50% - 3.00% | Minimum |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balance, guaranteed minimum credit rating | 2.50% | 2.50% |
Fixed Index Annuities | 2.50% - 3.00% | Maximum |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balance, guaranteed minimum credit rating | 3.00% | 3.00% |
Fixed Index Annuities | Greater than 3.00% |  |  |
Policyholder Account Balance [Line Items] |  |  |
Other | $ 0 | $ 0 |
Fixed Index Annuities | Greater than 3.00% | Minimum |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balance, guaranteed minimum credit rating | 3.00% | 3.00% |
Fixed Index Annuities | At guaranteed minimum |  |  |
Policyholder Account Balance [Line Items] |  |  |
Other | $ 3,546,181 | $ 3,222,773 |
Fixed Index Annuities | At guaranteed minimum | 0.00% - 0.50% |  |  |
Policyholder Account Balance [Line Items] |  |  |
Other | 0 | 0 |
Fixed Index Annuities | At guaranteed minimum | 0.50% - 1.00% |  |  |
Policyholder Account Balance [Line Items] |  |  |
Other | 2,421,795 | 2,020,896 |
Fixed Index Annuities | At guaranteed minimum | 1.00% - 1.50% |  |  |
Policyholder Account Balance [Line Items] |  |  |
Other | 51,586 | 55,375 |
Fixed Index Annuities | At guaranteed minimum | 1.50% - 2.00% |  |  |
Policyholder Account Balance [Line Items] |  |  |
Other | 57 | 0 |
Fixed Index Annuities | At guaranteed minimum | 2.00% - 2.50% |  |  |
Policyholder Account Balance [Line Items] |  |  |
Other | 133,059 | 134,690 |
Fixed Index Annuities | At guaranteed minimum | 2.50% - 3.00% |  |  |
Policyholder Account Balance [Line Items] |  |  |
Other | 939,684 | 1,011,812 |
Fixed Index Annuities | At guaranteed minimum | Greater than 3.00% |  |  |
Policyholder Account Balance [Line Items] |  |  |
Other | 0 | 0 |
Fixed Index Annuities | 1 to 50 |  |  |
Policyholder Account Balance [Line Items] |  |  |
Other | 1,670,284 | 1,799,455 |
Fixed Index Annuities | 1 to 50 | 0.00% - 0.50% |  |  |
Policyholder Account Balance [Line Items] |  |  |
Other | 462,356 | 284,190 |
Fixed Index Annuities | 1 to 50 | 0.50% - 1.00% |  |  |
Policyholder Account Balance [Line Items] |  |  |
Other | 1,098,332 | 1,383,008 |
Fixed Index Annuities | 1 to 50 | 1.00% - 1.50% |  |  |
Policyholder Account Balance [Line Items] |  |  |
Other | 9,391 | 10,874 |
Fixed Index Annuities | 1 to 50 | 1.50% - 2.00% |  |  |
Policyholder Account Balance [Line Items] |  |  |
Other | 0 | 84 |
Fixed Index Annuities | 1 to 50 | 2.00% - 2.50% |  |  |
Policyholder Account Balance [Line Items] |  |  |
Other | 100,205 | 121,299 |
Fixed Index Annuities | 1 to 50 | 2.50% - 3.00% |  |  |
Policyholder Account Balance [Line Items] |  |  |
Other | 0 | 0 |
Fixed Index Annuities | 1 to 50 | Greater than 3.00% |  |  |
Policyholder Account Balance [Line Items] |  |  |
Other | 0 | 0 |
Fixed Index Annuities | 51 to 150 |  |  |
Policyholder Account Balance [Line Items] |  |  |
Other | 2,666,426 | 2,728,765 |
Fixed Index Annuities | 51 to 150 | 0.00% - 0.50% |  |  |
Policyholder Account Balance [Line Items] |  |  |
Other | 407,426 | 305,770 |
Fixed Index Annuities | 51 to 150 | 0.50% - 1.00% |  |  |
Policyholder Account Balance [Line Items] |  |  |
Other | 2,258,992 | 2,422,207 |
Fixed Index Annuities | 51 to 150 | 1.00% - 1.50% |  |  |
Policyholder Account Balance [Line Items] |  |  |
Other | 0 | 637 |
Fixed Index Annuities | 51 to 150 | 1.50% - 2.00% |  |  |
Policyholder Account Balance [Line Items] |  |  |
Other | 0 | 0 |
Fixed Index Annuities | 51 to 150 | 2.00% - 2.50% |  |  |
Policyholder Account Balance [Line Items] |  |  |
Other | 8 | 151 |
Fixed Index Annuities | 51 to 150 | 2.50% - 3.00% |  |  |
Policyholder Account Balance [Line Items] |  |  |
Other | 0 | 0 |
Fixed Index Annuities | 51 to 150 | Greater than 3.00% |  |  |
Policyholder Account Balance [Line Items] |  |  |
Other | 0 | 0 |
Fixed Index Annuities | Greater than 150 basis points above |  |  |
Policyholder Account Balance [Line Items] |  |  |
Other | 392,830 | 193,473 |
Fixed Index Annuities | Greater than 150 basis points above | 0.00% - 0.50% |  |  |
Policyholder Account Balance [Line Items] |  |  |
Other | 314,929 | 133,060 |
Fixed Index Annuities | Greater than 150 basis points above | 0.50% - 1.00% |  |  |
Policyholder Account Balance [Line Items] |  |  |
Other | 77,901 | 60,413 |
Fixed Index Annuities | Greater than 150 basis points above | 1.00% - 1.50% |  |  |
Policyholder Account Balance [Line Items] |  |  |
Other | 0 | 0 |
Fixed Index Annuities | Greater than 150 basis points above | 1.50% - 2.00% |  |  |
Policyholder Account Balance [Line Items] |  |  |
Other | 0 | 0 |
Fixed Index Annuities | Greater than 150 basis points above | 2.00% - 2.50% |  |  |
Policyholder Account Balance [Line Items] |  |  |
Other | 0 | 0 |
Fixed Index Annuities | Greater than 150 basis points above | 2.50% - 3.00% |  |  |
Policyholder Account Balance [Line Items] |  |  |
Other | 0 | 0 |
Fixed Index Annuities | Greater than 150 basis points above | Greater than 3.00% |  |  |
Policyholder Account Balance [Line Items] |  |  |
Other | 0 | 0 |
Fixed Rate Annuities |  |  |
Policyholder Account Balance [Line Items] |  |  |
Other | 6,589,577 | 6,860,060 | $ 5,083,537
Fixed Rate Annuities | 0.00% - 0.50% |  |  |
Policyholder Account Balance [Line Items] |  |  |
Other | $ 61 | $ 108 |
Fixed Rate Annuities | 0.00% - 0.50% | Minimum |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balance, guaranteed minimum credit rating | 0.00% | 0.00% |
Fixed Rate Annuities | 0.00% - 0.50% | Maximum |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balance, guaranteed minimum credit rating | 0.50% | 0.50% |
Fixed Rate Annuities | 0.50% - 1.00% |  |  |
Policyholder Account Balance [Line Items] |  |  |
Other | $ 4,961,020 | $ 537,663 |
Fixed Rate Annuities | 0.50% - 1.00% | Minimum |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balance, guaranteed minimum credit rating | 0.50% | 0.50% |
Fixed Rate Annuities | 0.50% - 1.00% | Maximum |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balance, guaranteed minimum credit rating | 1.00% | 1.00% |
Fixed Rate Annuities | 1.00% - 1.50% |  |  |
Policyholder Account Balance [Line Items] |  |  |
Other | $ 454,959 | $ 491,715 |
Fixed Rate Annuities | 1.00% - 1.50% | Minimum |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balance, guaranteed minimum credit rating | 1.00% | 1.00% |
Fixed Rate Annuities | 1.00% - 1.50% | Maximum |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balance, guaranteed minimum credit rating | 1.50% | 1.50% |
Fixed Rate Annuities | 1.50% - 2.00% |  |  |
Policyholder Account Balance [Line Items] |  |  |
Other | $ 655,703 | $ 1,063,846 |
Fixed Rate Annuities | 1.50% - 2.00% | Minimum |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balance, guaranteed minimum credit rating | 1.50% | 1.50% |
Fixed Rate Annuities | 1.50% - 2.00% | Maximum |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balance, guaranteed minimum credit rating | 2.00% | 2.00% |
Fixed Rate Annuities | 2.00% - 2.50% |  |  |
Policyholder Account Balance [Line Items] |  |  |
Other | $ 21,909 | $ 3,254,587 |
Fixed Rate Annuities | 2.00% - 2.50% | Minimum |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balance, guaranteed minimum credit rating | 2.00% | 2.00% |
Fixed Rate Annuities | 2.00% - 2.50% | Maximum |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balance, guaranteed minimum credit rating | 2.50% | 2.50% |
Fixed Rate Annuities | 2.50% - 3.00% |  |  |
Policyholder Account Balance [Line Items] |  |  |
Other | $ 441,459 | $ 1,048,346 |
Fixed Rate Annuities | 2.50% - 3.00% | Minimum |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balance, guaranteed minimum credit rating | 2.50% | 2.50% |
Fixed Rate Annuities | 2.50% - 3.00% | Maximum |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balance, guaranteed minimum credit rating | 3.00% | 3.00% |
Fixed Rate Annuities | Greater than 3.00% |  |  |
Policyholder Account Balance [Line Items] |  |  |
Other | $ 54,466 | $ 463,795 |
Fixed Rate Annuities | Greater than 3.00% | Minimum |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balance, guaranteed minimum credit rating | 3.00% | 3.00% |
Fixed Rate Annuities | At guaranteed minimum |  |  |
Policyholder Account Balance [Line Items] |  |  |
Other | $ 1,302,336 | $ 6,127,014 |
Fixed Rate Annuities | At guaranteed minimum | 0.00% - 0.50% |  |  |
Policyholder Account Balance [Line Items] |  |  |
Other | 61 | 108 |
Fixed Rate Annuities | At guaranteed minimum | 0.50% - 1.00% |  |  |
Policyholder Account Balance [Line Items] |  |  |
Other | 55,458 | 42,216 |
Fixed Rate Annuities | At guaranteed minimum | 1.00% - 1.50% |  |  |
Policyholder Account Balance [Line Items] |  |  |
Other | 454,728 | 491,489 |
Fixed Rate Annuities | At guaranteed minimum | 1.50% - 2.00% |  |  |
Policyholder Account Balance [Line Items] |  |  |
Other | 281,694 | 834,249 |
Fixed Rate Annuities | At guaranteed minimum | 2.00% - 2.50% |  |  |
Policyholder Account Balance [Line Items] |  |  |
Other | 21,887 | 3,254,565 |
Fixed Rate Annuities | At guaranteed minimum | 2.50% - 3.00% |  |  |
Policyholder Account Balance [Line Items] |  |  |
Other | 434,042 | 1,040,592 |
Fixed Rate Annuities | At guaranteed minimum | Greater than 3.00% |  |  |
Policyholder Account Balance [Line Items] |  |  |
Other | 54,466 | 463,795 |
Fixed Rate Annuities | 1 to 50 |  |  |
Policyholder Account Balance [Line Items] |  |  |
Other | 307,960 | 227,094 |
Fixed Rate Annuities | 1 to 50 | 0.00% - 0.50% |  |  |
Policyholder Account Balance [Line Items] |  |  |
Other | 0 | 0 |
Fixed Rate Annuities | 1 to 50 | 0.50% - 1.00% |  |  |
Policyholder Account Balance [Line Items] |  |  |
Other | 203,523 | 119,438 |
Fixed Rate Annuities | 1 to 50 | 1.00% - 1.50% |  |  |
Policyholder Account Balance [Line Items] |  |  |
Other | 231 | 226 |
Fixed Rate Annuities | 1 to 50 | 1.50% - 2.00% |  |  |
Policyholder Account Balance [Line Items] |  |  |
Other | 96,767 | 99,654 |
Fixed Rate Annuities | 1 to 50 | 2.00% - 2.50% |  |  |
Policyholder Account Balance [Line Items] |  |  |
Other | 22 | 22 |
Fixed Rate Annuities | 1 to 50 | 2.50% - 3.00% |  |  |
Policyholder Account Balance [Line Items] |  |  |
Other | 7,417 | 7,754 |
Fixed Rate Annuities | 1 to 50 | Greater than 3.00% |  |  |
Policyholder Account Balance [Line Items] |  |  |
Other | 0 | 0 |
Fixed Rate Annuities | 51 to 150 |  |  |
Policyholder Account Balance [Line Items] |  |  |
Other | 4,277,256 | 481,002 |
Fixed Rate Annuities | 51 to 150 | 0.00% - 0.50% |  |  |
Policyholder Account Balance [Line Items] |  |  |
Other | 0 | 0 |
Fixed Rate Annuities | 51 to 150 | 0.50% - 1.00% |  |  |
Policyholder Account Balance [Line Items] |  |  |
Other | 4,000,203 | 351,059 |
Fixed Rate Annuities | 51 to 150 | 1.00% - 1.50% |  |  |
Policyholder Account Balance [Line Items] |  |  |
Other | 0 | 0 |
Fixed Rate Annuities | 51 to 150 | 1.50% - 2.00% |  |  |
Policyholder Account Balance [Line Items] |  |  |
Other | 277,053 | 129,943 |
Fixed Rate Annuities | 51 to 150 | 2.00% - 2.50% |  |  |
Policyholder Account Balance [Line Items] |  |  |
Other | 0 | 0 |
Fixed Rate Annuities | 51 to 150 | 2.50% - 3.00% |  |  |
Policyholder Account Balance [Line Items] |  |  |
Other | 0 | 0 |
Fixed Rate Annuities | 51 to 150 | Greater than 3.00% |  |  |
Policyholder Account Balance [Line Items] |  |  |
Other | 0 | 0 |
Fixed Rate Annuities | Greater than 150 basis points above |  |  |
Policyholder Account Balance [Line Items] |  |  |
Other | 702,025 | 24,950 |
Fixed Rate Annuities | Greater than 150 basis points above | 0.00% - 0.50% |  |  |
Policyholder Account Balance [Line Items] |  |  |
Other | 0 | 0 |
Fixed Rate Annuities | Greater than 150 basis points above | 0.50% - 1.00% |  |  |
Policyholder Account Balance [Line Items] |  |  |
Other | 701,836 | 24,950 |
Fixed Rate Annuities | Greater than 150 basis points above | 1.00% - 1.50% |  |  |
Policyholder Account Balance [Line Items] |  |  |
Other | 0 | 0 |
Fixed Rate Annuities | Greater than 150 basis points above | 1.50% - 2.00% |  |  |
Policyholder Account Balance [Line Items] |  |  |
Other | 189 | 0 |
Fixed Rate Annuities | Greater than 150 basis points above | 2.00% - 2.50% |  |  |
Policyholder Account Balance [Line Items] |  |  |
Other | 0 | 0 |
Fixed Rate Annuities | Greater than 150 basis points above | 2.50% - 3.00% |  |  |
Policyholder Account Balance [Line Items] |  |  |
Other | 0 | 0 |
Fixed Rate Annuities | Greater than 150 basis points above | Greater than 3.00% |  |  |
Policyholder Account Balance [Line Items] |  |  |
Other | $ 0 | $ 0 |

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