Fair Value Measurements - Fair Value, Measure on Recurring Basis, Unobservable Input Reconciliation (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2024	Dec. 31, 2023
Fixed Maturity Securities, Available-For-Sale
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance	$ 0
Total gains for the period recognized in net investment (losses) gains	(195)
Issuances	0
Settlements	0
Purchases	77,979
Sales/Disposals	(374)
Total unrealized gains for the period recognized in accumulated comprehensive income (loss)	510
Ending balance	77,920	$ 0
Total gains for the period recognized in net investment (losses) gains attributable to the change in unrealized gains or losses relating to assets held as of period end	0
Mortgage Loans
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance	50,070	52,842
Total gains for the period recognized in net investment (losses) gains	420	(385)
Issuances	649	27,642
Settlements	(24,649)	(30,029)
Purchases	0
Sales/Disposals	0
Total unrealized gains for the period recognized in accumulated comprehensive income (loss)	0
Ending balance	26,490	50,070
Total gains for the period recognized in net investment (losses) gains attributable to the change in unrealized gains or losses relating to assets held as of period end	$ 411	$ (426)

Amount of unrealized gain (loss) recognized in income from asset measured at fair value on recurring basis using unobservable input (level 3) and still held.

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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Amount of gain (loss) recognized in income from asset measured at fair value on recurring basis using unobservable input (level 3).

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Amount of gain (loss) recognized in other comprehensive income (OCI) from asset measured at fair value on recurring basis using unobservable input (level 3).

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Amount of issuances of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

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Amount of purchases of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

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Amount of sale of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

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Amount of settlement of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

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Fair value of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

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