Investments - Schedule of Selected Information about Sales of Fixed Maturities (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Investments, Debt and Equity Securities [Abstract]
Proceeds from sale	$ 1,207,237	$ 602,556	$ 390,392
Gross realized gains	21,196	5,554	1,296
Gross realized losses	(32,956)	(80,823)	(57,996)
Unsettled trades	$ 866	$ 0	$ 0

Debt Securities, Available-For-Sale, Unsettled Trades

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- Definition

Proceeds from Sale of Debt Securities Excluding Unsettled Trades, Available-for-Sale

+ References

No definition available.

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- Definition

Amount of realized gain on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 320
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 9
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481800/320-10-50-9

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- Definition

Amount of realized loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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- References

No definition available.

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