Investments (Cash, Cash Equivalents and Investments) (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Investments, Debt and Equity Securities [Abstract]
Fixed maturity securities, available-for-sale	$ 1,161,048	$ 1,470,617
Fixed maturity securities, percent	86.90%	89.00%
Equity securities, at fair value	$ 11,789	$ 14,844
Equity securities, percent	0.90%	0.90%
Policy loans	$ 78,085	$ 80,307
Policy loans, percent	5.80%	4.90%
Other long-term investments	$ 62,717	$ 57,399
Other long-term investments, percent	4.70%	3.50%
Short-term Investments	$ 1,241	$ 0
Short-term investments, percent	0.10%	0.00%
Cash and cash equivalents	$ 21,007	$ 27,294
Cash and cash equivalents, percent	1.60%	1.70%
Total invested assets	$ 1,335,887	$ 1,650,461
Total invested assets, percent	100.00%	100.00%