Unaudited Condensed Consolidated Statement of Stockholders' Equity - USD ($) $ in Thousands	Common Stock [Member] Common Stock Class A	Common Stock [Member] Common Stock Class B	Additional Paid in Capital [Member]	Retained Earnings [Member]	Noncontrolling Interest [Member]	Total
Stockholders' Equity, Beginning Balance at Dec. 31, 2020	$ 340	$ 157	$ 261,338	$ (2,430)	$ 1,452	$ 260,857
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Share based compensation			2,134			2,134
Vesting of restricted units	3	1	(919)			(915)
Class B stock converted to Class A stock	1	(1)
Issuance of common stock under ESPP, value	1		537			538
Net income (loss)				2,538	123	2,661
Stockholders' Equity, Ending Balance at Mar. 31, 2021	345	157	263,090	108	1,575	265,275
Stockholders' Equity, Beginning Balance at Dec. 31, 2021	348	157	267,621	8,440	1,723	278,289
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Share based compensation			1,456			1,456
Vesting of restricted units	4	1	(413)			(408)
Issuance of common stock under ESPP, value	1		724			725
Net income (loss)				(8,902)	(71)	(8,973)
Stockholders' Equity, Ending Balance at Mar. 31, 2022	$ 353	$ 158	$ 269,388	$ (462)	$ 1,652	$ 271,089