Investments, Summary of Realized Investment Gains (Losses) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Summary of realized investment gains [Abstract]
Gains	$ 102	$ 4,903
Losses	(72)	0
Realized investment Losses (gains), net	30	4,903
Fixed Maturities [Member]
Summary of realized investment gains [Abstract]
Gains	101	570
Losses	(52)	0
Realized investment Losses (gains), net	49	570
Proceeds from sales of available-for-sale fixed maturities [Abstract]
Sales proceeds	3,649	9,244
Gross gains	101	454
Gross losses	0	0
Equity Securities [Member]
Summary of realized investment gains [Abstract]
Gains	0	0
Losses	0	0
Realized investment Losses (gains), net	0	0
Proceeds from sales of equity securities [Abstract]
Sales proceeds	1	61
Gross gains	0	0
Gross losses	0	0
Other Invested Assets [Member]
Summary of realized investment gains [Abstract]
Gains	1	4,333
Losses	(20)	0
Realized investment Losses (gains), net	(19)	4,333
Proceeds from Sales of other invested assets [Abstract]
Sales proceeds	161	19,761
Gross gains	1	4,333
Gross losses	$ (20)	$ 0