Consolidated Statements of Comprehensive Income (Loss) (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Statement Of Income And Comprehensive Income [Abstract]
Net income (loss)	$ 1,001	$ (2,870)
Unrealized investment gains (losses):
Unrealized investment gains (losses) during the period	2,286	(7,287)
Income tax (benefit) expense	0	0
Unrealized investment gains (losses), net of tax	2,286	(7,287)
Less: reclassification adjustments to:
Net realized investment gains (losses) included in net income (loss)	0	0
Income tax (benefit) expense	0	0
Total reclassifications included in net income (loss), net of tax	0	0
Net other comprehensive income (loss)	2,286	(7,287)
Total comprehensive income (loss)	$ 3,287	$ (10,157)