Consolidated Statements of Comprehensive Income (Loss) (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Statement Of Income And Comprehensive Income [Abstract]
Net income (loss)	$ (1,523)	$ (1,209)	$ (12,792)	$ (293)
Unrealized investment gains (losses):
Unrealized investment gains (losses) during the period	(4,347)	(570)	(16,641)	(2,100)
Income tax (benefit) expense	0	0	0	0
Unrealized investment gains (losses), net of tax	(4,347)	(570)	(16,641)	(2,100)
Less: reclassification adjustments to:
Net realized investment gains (losses) included in net income (loss)	0	44	70	85
Income tax (benefit) expense	0	0	0	0
Total reclassifications included in net income (loss), net of tax	0	44	70	85
Other comprehensive income (loss)	(4,347)	(614)	(16,711)	(2,185)
Total comprehensive income (loss)	$ (5,870)	$ (1,823)	$ (29,503)	$ (2,478)