Deferred Policy Acquisition Costs, Deferred Reinsurance Losses, Deferred Reinsurance Gains And Deferred Sales Inducements (Balance of and Changes in Deferred Reinsurance Losses) (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023
Reinsurance Recoverable, Allowance for Credit Loss [Roll Forward]
Balance, beginning of period	$ 255,113	$ 292,893
Amortization expense	(18,694)	(19,393)
Other	1
Balance, end of period	236,420	273,500
Variable Annuities
Reinsurance Recoverable, Allowance for Credit Loss [Roll Forward]
Balance, beginning of period	194,110	223,515
Amortization expense	(14,824)	(15,113)
Other	1
Balance, end of period	179,287	208,402
Term Life
Reinsurance Recoverable, Allowance for Credit Loss [Roll Forward]
Balance, beginning of period	61,003	69,378
Amortization expense	(3,870)	(4,280)
Other	0
Balance, end of period	$ 57,133	$ 65,098