Liability For Future Policy Benefits (Revenue and Interest Expense) (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024
Benefit Reserves
Liability for Future Policy Benefit, Activity [Line Items]
Revenue	$ 935,672	$ 922,619
Interest expense	195,386	194,044
Benefit Reserves | Term Life
Liability for Future Policy Benefit, Activity [Line Items]
Revenue	910,292	901,158
Interest expense	190,290	189,591
Benefit Reserves | Variable/Universal Life
Liability for Future Policy Benefit, Activity [Line Items]
Revenue	0	0
Interest expense	0	0
Benefit Reserves | Fixed Annuities
Liability for Future Policy Benefit, Activity [Line Items]
Revenue	25,380	21,461
Interest expense	5,096	4,453
Deferred profit liability
Liability for Future Policy Benefit, Activity [Line Items]
Interest expense	487	319
Deferred profit liability | Term Life
Liability for Future Policy Benefit, Activity [Line Items]
Interest expense	0	0
Deferred profit liability | Variable/Universal Life
Liability for Future Policy Benefit, Activity [Line Items]
Interest expense	0	0
Deferred profit liability | Fixed Annuities
Liability for Future Policy Benefit, Activity [Line Items]
Interest expense	487	319
Additional insurance reserves
Liability for Future Policy Benefit, Activity [Line Items]
Revenue	628,459	903,426
Interest expense	290,341	261,019
Additional insurance reserves | Term Life
Liability for Future Policy Benefit, Activity [Line Items]
Revenue	0	0
Interest expense	0	0
Additional insurance reserves | Variable/Universal Life
Liability for Future Policy Benefit, Activity [Line Items]
Revenue	594,167	903,426
Interest expense	289,723	261,019
Additional insurance reserves | Fixed Annuities
Liability for Future Policy Benefit, Activity [Line Items]
Revenue	34,292	0
Interest expense	618	0
Deferred Profit Liability Netting
Liability for Future Policy Benefit, Activity [Line Items]
Revenue	(1,482)	(5,187)
Deferred Profit Liability Netting | Term Life
Liability for Future Policy Benefit, Activity [Line Items]
Revenue	0	0
Deferred Profit Liability Netting | Variable/Universal Life
Liability for Future Policy Benefit, Activity [Line Items]
Revenue	0	0
Deferred Profit Liability Netting | Fixed Annuities
Liability for Future Policy Benefit, Activity [Line Items]
Revenue	(1,482)	(5,187)
Revenues
Liability for Future Policy Benefit, Activity [Line Items]
Revenue	1,562,649	1,820,858
Revenues | Term Life
Liability for Future Policy Benefit, Activity [Line Items]
Revenue	910,292	901,158
Revenues | Variable/Universal Life
Liability for Future Policy Benefit, Activity [Line Items]
Revenue	594,167	903,426
Revenues | Fixed Annuities
Liability for Future Policy Benefit, Activity [Line Items]
Revenue	58,190	16,274
Interest Expense
Liability for Future Policy Benefit, Activity [Line Items]
Interest expense	486,214	455,382
Interest Expense | Term Life
Liability for Future Policy Benefit, Activity [Line Items]
Interest expense	190,290	189,591
Interest Expense | Variable/Universal Life
Liability for Future Policy Benefit, Activity [Line Items]
Interest expense	289,723	261,019
Interest Expense | Fixed Annuities
Liability for Future Policy Benefit, Activity [Line Items]
Interest expense	$ 6,201	$ 4,772