Investments, Summary of Realized Investment Gains (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Summary of realized investment gains [Abstract]
Gains	$ 349	$ 183	$ 520	$ 432
Losses	0	0	0	0
Realized investment gains, net	349	183	520	432
Fixed Maturities [Member]
Summary of realized investment gains [Abstract]
Gains	349	95	520	344
Losses	0	0	0	0
Realized investment gains, net	349	95	520	344
Equity Securities [Member]
Summary of realized investment gains [Abstract]
Gains	0	88	0	88
Losses	0	0	0	0
Realized investment gains, net	0	88	0	88
Other Invested Assets [Member]
Summary of realized investment gains [Abstract]
Gains	0	0	0	0
Losses	0	0	0	0
Realized investment gains, net	$ 0	$ 0	$ 0	$ 0