Investments, Summary of Realized Investment Gains (Losses) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Summary of realized investment gains [Abstract]
Gains	$ 70	$ 102
Losses	0	(72)
Realized investment gains (losses), net	70	30
Fixed Maturities [Member]
Summary of realized investment gains [Abstract]
Gains	70	101
Losses	0	(52)
Realized investment gains (losses), net	70	49
Proceeds from sales of available-for-sale fixed maturities [Abstract]
Sales proceeds	5,035	3,649
Gross gains	70	101
Gross losses	0	0
Equity Securities [Member]
Summary of realized investment gains [Abstract]
Gains	0	0
Losses	0	0
Realized investment gains (losses), net	0	0
Proceeds from sales of equity securities [Abstract]
Sales proceeds	2	1
Gross gains	0	0
Gross losses	0	0
Other Invested Assets [Member]
Summary of realized investment gains [Abstract]
Gains	0	1
Losses	0	(20)
Realized investment gains (losses), net	0	(19)
Proceeds from Sales of other invested assets [Abstract]
Sales proceeds	0	161
Gross gains	0	1
Gross losses	$ 0	$ (20)