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Life and Annuity Benefits (Schedule of Future Policyholder Benefits) (Details) - USD ($) $ in Thousands | Mar. 31, 2024 | Dec. 31, 2023 | Mar. 31, 2023 | [1] | Dec. 31, 2022
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Liability for Future Policy Benefit, before Reinsurance [Abstract] |  |  |  |  |
Liability for future policyholder benefits | $ 528,249 | [1] | $ 557,763 | $ 566,751 | $ 554,366
Deferred profit liability | 50,483 |  | 52,287 |  |
Other | 38,534 |  | 39,004 |  |
Total | $ 617,266 |  | $ 649,054 |  |
[1] | The undiscounted liability for future policyholder benefits was $796.8 million and $862.7 million as of March 31, 2024 and 2023, respectively.

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