Deferred Policy Acquisition Costs, Deferred Reinsurance Losses, Deferred Reinsurance Gains And Deferred Sales Inducements (Balance of and Changes in Deferred Reinsurance Gain) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Reinsurance Recoverable, Allowance for Credit Gain [Roll Forward]
Balance, beginning of period	$ 1,492,856	$ 252,736	$ 174,259
Amortization	(96,864)	(86,389)	(8,022)
Other	277,299	1,326,509	86,499
Balance, end of period	1,673,291	1,492,856	252,736
Lotus Re
Reinsurance Recoverable, Allowance for Credit Gain [Roll Forward]
Other		1,352,000
Fixed Annuities
Reinsurance Recoverable, Allowance for Credit Gain [Roll Forward]
Balance, beginning of period	57,898	78,138	0
Amortization	(9,790)	(6,437)	(657)
Other	(34)	(13,803)	78,795
Balance, end of period	48,074	57,898	78,138
Variable Annuties
Reinsurance Recoverable, Allowance for Credit Gain [Roll Forward]
Balance, beginning of period	0	0	0
Amortization	(15,612)	0	0
Other	277,333	0	0
Balance, end of period	261,721	0	0
Variable / Universal Life
Reinsurance Recoverable, Allowance for Credit Gain [Roll Forward]
Balance, beginning of period	1,434,958	174,598	174,259
Amortization	(71,462)	(79,952)	(7,365)
Other	0	1,340,312	7,704
Balance, end of period	$ 1,363,496	$ 1,434,958	$ 174,598