Investments (Components of Net Investment Income) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Gross investment income	$ 13,197	$ 7,385	$ 32,566	$ 15,073
Less investment expense	(259)	(1,189)	(2,845)	(2,770)
Investment income, net of expenses	12,938	6,196	29,721	12,303
Fixed Maturities
Gross investment income	3,535	6,373	23,927	13,103
Mortgage loans
Gross investment income	(2,367)	938	878	1,479
Other invested assets
Gross investment income	(595)	$ 74	4,358	225
Other interest income
Gross investment income	$ 12,624		$ 3,403	$ 266