Liability For Future Policy Benefits (Deferred Profit Liability) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2023	Dec. 31, 2022
Liability for Future Policy Benefit, Expected Future Policy Benefit [Roll Forward]
Other adjustments	$ 12,005	$ 4,402
Deferred Profit Liability Netting
Liability for Future Policy Benefit, Expected Future Policy Benefit [Roll Forward]
Revenue	(221)	(539)
Fixed Annuities
Liability for Future Policy Benefit, Expected Future Policy Benefit [Roll Forward]
Effect of actual variances from expected experience and other activity			$ (369)	$ 1,427
Adjusted balance, beginning of period			247,940	231,030
Interest accrual	2,204	2,137
Other adjustments	(34)	(41)
Balance, end of period, post-flooring	227,697	215,482
Reinsurance recoverable	18,428	17,336
Balance after reinsurance recoverables, end of period, post-flooring	209,269	198,146
Fixed Annuities | Gross Basis
Liability for Future Policy Benefit, Expected Future Policy Benefit [Roll Forward]
Revenue	8,572	10,891
Fixed Annuities | Deferred profit liability
Liability for Future Policy Benefit, Expected Future Policy Benefit [Roll Forward]
Balance, beginning of period, post-flooring	14,818	18,193
Effect of actual variances from expected experience and other activity			330	(951)
Adjusted balance, beginning of period			$ 15,148	$ 17,242
Profits deferred	216	1,856
Interest accrual	133	182
Amortization	(456)	(541)
Other adjustments	(3)	(8)
Balance, end of period, post-flooring	15,038	18,731
Reinsurance recoverable	1,576	1,545
Balance after reinsurance recoverables, end of period, post-flooring	13,462	17,186
Fixed Annuities | Deferred profit liability | Gross Basis
Liability for Future Policy Benefit, Expected Future Policy Benefit [Roll Forward]
Interest accrual	133	182
Fixed Annuities | Deferred Profit Liability Netting
Liability for Future Policy Benefit, Expected Future Policy Benefit [Roll Forward]
Revenue	(221)	(539)
Fixed Annuities | Deferred Profit Liability Netting | Gross Basis
Liability for Future Policy Benefit, Expected Future Policy Benefit [Roll Forward]
Revenue	$ (221)	$ (539)