Deferred Policy Acquisition Costs, Deferred Reinsurance, and Deferred Sales Inducements (DSI) (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024
Movement in Deferred Sales Inducements [Roll Forward]
Balance, beginning of period	$ 322,351
Balance, end of period	308,974
Variable Annuities
Movement in Deferred Sales Inducements [Roll Forward]
Balance, beginning of period	322,351	$ 351,424
Capitalization	960	1,214
Amortization expense	(14,723)	(15,436)
Other	386	0
Balance, end of period	$ 308,974	$ 337,202