Investments, Unrealized Gains (Losses) Related to Equity Securities (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Investments [Abstract]
Net realized and unrealized losses recognized during the period on equity securities	$ (2,177)	$ (7,562)
Less: Net realized gains recognized during the period on equity securities sold during the period	0	0
Unrealized losses on equity securities, net	$ (2,177)	$ (7,562)
Percentage of investment grade securities in bond portfolio	99.00%	99.00%