Deferred Policy Acquisition Costs, Deferred Reinsurance, and Deferred Sales Inducements (DRL) (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024
Reinsurance Recoverable, Allowance for Credit Loss [Roll Forward]
Balance, beginning of period	$ 1,530,394	$ 255,113
Amortization expense	(52,725)	(18,694)
Other	(2)	1
Balance, end of period	1,477,667	236,420
Variable Annuities
Reinsurance Recoverable, Allowance for Credit Loss [Roll Forward]
Balance, beginning of period	164,238	194,110
Amortization expense	(15,082)	(14,824)
Other	(2)	1
Balance, end of period	149,154	179,287
Term Life
Reinsurance Recoverable, Allowance for Credit Loss [Roll Forward]
Balance, beginning of period	396,684	61,003
Amortization expense	(18,708)	(3,870)
Other	0	0
Balance, end of period	377,976	57,133
Variable/Universal Life
Reinsurance Recoverable, Allowance for Credit Loss [Roll Forward]
Balance, beginning of period	969,472	0
Amortization expense	(18,935)	0
Other	0	0
Balance, end of period	$ 950,537	$ 0