Investments, Summary of Realized Investment Gains (Losses) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Summary of realized investment gains (losses) [Abstract]
Gains		$ 610	$ 249	$ 1,995
Losses		0	0	0
Realized investment gains, net	$ 0	610	249	1,995
Fixed Maturities [Member]
Summary of realized investment gains (losses) [Abstract]
Gains		610	249	882
Losses		0	0	0
Realized investment gains, net		610	249	882
Equity Securities [Member]
Summary of realized investment gains (losses) [Abstract]
Gains		0	0	1,113
Losses		0	0	0
Realized investment gains, net		0	0	1,113
Other Invested Assets [Member]
Summary of realized investment gains (losses) [Abstract]
Gains		0	0	0
Losses		0	0	0
Realized investment gains, net		$ 0	$ 0	$ 0