Investments, Summary of Realized Investment Gains (Losses) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Summary of realized investment gains (losses) [Abstract]
Gains	$ 1,212	$ 70
Losses	(2)	0
Realized investment gains, net	1,210	70
Fixed Maturities [Member]
Summary of realized investment gains (losses) [Abstract]
Gains	19	70
Losses	(2)	0
Realized investment gains, net	17	70
Proceeds from sales of available-for-sale fixed maturities [Abstract]
Sales proceeds	0	5,035
Gross gains	0	70
Gross losses	0	0
Equity Securities [Member]
Summary of realized investment gains (losses) [Abstract]
Gains	0	0
Losses	0	0
Realized investment gains, net	0	0
Proceeds from sales of equity securities [Abstract]
Sales proceeds	0	2
Gross gains	0	0
Gross losses	0	0
Other Invested Assets [Member]
Summary of realized investment gains (losses) [Abstract]
Gains	1,193	0
Losses	0	0
Realized investment gains, net	1,193	0
Proceeds from Sales of other invested assets [Abstract]
Sales proceeds	2,510	0
Gross gains	1,193	0
Gross losses	$ 0	$ 0