Deferred Policy Acquisition Costs, Deferred Reinsurance Losses, Deferred Reinsurance Gains And Deferred Sales Inducements (Balance of and Changes in DSI) (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023
Movement in Deferred Sales Inducements [Roll Forward]
Balance, beginning of period	$ 351,424
Balance, end of period	337,202
Variable Annuities
Movement in Deferred Sales Inducements [Roll Forward]
Balance, beginning of period	351,424	$ 381,504
Capitalization	1,214	1,503
Amortization expense	(15,436)	(16,088)
Other	0	(3)
Balance, end of period	$ 337,202	$ 366,916