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v3.23.3

Investments (Narrative) (Details) $ in Thousands | Sep. 30, 2023 USD ($) securities | Dec. 31, 2022 USD ($) securities
--- | --- | ---
Schedule of Investments [Line Items] |  |
Available-for-sale fixed maturity securities in unrealized loss position, number of positions | securities | 1,732 | 1,400
Available-for-sale securities, estimated fair value | $ 13,027,738 | $ 11,280,896
Available-for-sale securities, gross unrealized holding losses | $ (1,121,484) | $ (962,210)
Number of available-for-sale fixed maturity securities positions in a continuous unrealized loss position for one year or longer at period end | securities | 1,150 | 246
Available-for-sale securities, estimated fair value, 12 months or longer | $ 8,805,736 | $ 3,356,273
Available-for-sale securities, gross unrealized holding losses, 12 months or longer | (1,001,104) | (393,911)
Investments, available-for-sale, allowance for credit losses | $ 0 | $ 0

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