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	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Reinsurance Recoverable, Allowance for Credit Loss [Roll Forward]
Balance, beginning of period	$ 255,115	$ 292,893	$ 333,003
Amortization expense	(54,749)	(37,777)	(40,105)
Other	1,330,028	(1)	(5)
Balance, end of period	1,530,394	255,115	292,893
PARCC
Reinsurance Recoverable, Allowance for Credit Loss [Roll Forward]
Balance, end of period	351,000
Variable Annuties
Reinsurance Recoverable, Allowance for Credit Loss [Roll Forward]
Balance, beginning of period	194,111	223,515	254,577
Amortization expense	(29,876)	(29,403)	(31,057)
Other	3	(1)	(5)
Balance, end of period	164,238	194,111	223,515
Term Life
Reinsurance Recoverable, Allowance for Credit Loss [Roll Forward]
Balance, beginning of period	61,004	69,378	78,426
Amortization expense	(15,345)	(8,374)	(9,048)
Other	351,025	0	0
Balance, end of period	396,684	61,004	69,378
Variable / Universal Life
Reinsurance Recoverable, Allowance for Credit Loss [Roll Forward]
Balance, beginning of period	0	0	0
Amortization expense	(9,528)	0	0
Other	979,000	0	0
Balance, end of period	$ 969,472	$ 0	$ 0