Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Statement of Comprehensive Income [Abstract]
Net (loss) income	$ (54,603)	$ 7,242	$ 27,580
Change in unrealized loss on investments:
Net unrealized (losses) gains arising during the period	(11,355)	(692)	86
Credit losses charged to income	0	0	611
Call and repayment gains charged to investment income	0	(36)	(374)
Reclassification adjustment for net realized losses (gains)	429	(687)	(1,163)
Net change in unrealized losses	(10,926)	(1,415)	(840)
Deferred income taxes on above change	154	347	206
Total other comprehensive loss, net of income taxes	(10,772)	(1,068)	(634)
Comprehensive (loss) income	(65,375)	6,174	26,946
Comprehensive loss attributable to noncontrolling interests	5,586	2,035	0
Comprehensive (loss) income after noncontrolling interests	$ (59,789)	$ 8,209	$ 26,946