Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands	Treasury Stock	Common Stock	Additional Paid-In Capital	Accumulated Deficit Cumulative effect of change in accounting estimate	Accumulated Deficit	AOCI	Noncontrolling Interest	Cumulative effect of change in accounting estimate	Total
Balance at Dec. 31, 2021	$ (175)	$ 4	$ 138,452		$ (70,159)	$ 2,634	$ 15,000		$ 85,756
Net income					9,452				9,452
Employee stock options			386						386
Unrealized losses on investments, net of taxes						(28,511)			(28,511)
Noncontrolling interest							(2,587)		(2,587)
Balance at Jun. 30, 2022	(175)	4	138,838		(60,707)	(25,877)	12,413		64,496
Balance at Mar. 31, 2022	(175)	4	138,483		(69,973)	(7,581)	18,432		79,190
Net income					9,266				9,266
Employee stock options			355						355
Unrealized losses on investments, net of taxes						(18,296)			(18,296)
Noncontrolling interest							(6,019)		(6,019)
Balance at Jun. 30, 2022	(175)	4	138,838		(60,707)	(25,877)	12,413		64,496
Balance at Dec. 31, 2022	(175)	4	138,482	$ (4,674)	(63,019)	(51,386)	10,471	$ (4,674)	34,377
Net income					(53)				(53)
Employee stock options			603						603
Unrealized losses on investments, net of taxes						(6,047)			(6,047)
Noncontrolling interest							5,094		5,094
Balance at Jun. 30, 2023	(175)	4	139,085		(67,746)	(57,433)	15,565		29,300
Balance at Mar. 31, 2023	(175)	4	138,789		(63,863)	(61,928)	12,023		24,850
Net income					(3,883)				(3,883)
Employee stock options			296						296
Unrealized losses on investments, net of taxes						4,495			4,495
Noncontrolling interest							3,542		3,542
Balance at Jun. 30, 2023	$ (175)	$ 4	$ 139,085		$ (67,746)	$ (57,433)	$ 15,565		$ 29,300