CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY - USD ($) $ in Thousands	Class A Common Stock Common Stock	Class B Common Stock Common Stock	Total Stockholders' Equity	Additional Paid-In Capital	Accumulated Deficit.	Noncontrolling Interests.	Total
Beginning balance at Dec. 31, 2020	$ 868	$ 162	$ 593,061	$ 909,278	$ (317,247)	$ 112,821	$ 705,882
Beginning balance (in shares) at Dec. 31, 2020	86,812,647	16,221,101
Increase (Decrease) in Stockholders' Equity [Roll Forward]
ESPP shares issued			30	30		(1)	29
ESPP shares issued (in shares)	4,881
Equity-based compensation			3,333	3,333		613	3,946
Issuance of restricted shares	$ 19		1,900	1,881		(1,900)
Issuance of restricted shares (in shares)	1,843,808
Other			5	5			5
Other (in shares)	738
Repurchase of common stock	$ (2)		(1,225)	(1,223)		19	(1,206)
Repurchase of common stock ( in shares)	(199,976)
Restricted shares forfeited	$ (3)		(318)	(315)		318
Restricted shares forfeited (in shares)	(301,395)
Noncontrolling interest in subsidiary			(140)	(140)		(934)	(1,074)
NCI income tax adjustment			23	23		(23)
Net income (loss)			(39,674)		(39,674)	(7,362)	(47,036)
Ending balance at Jun. 30, 2021	$ 882	$ 162	556,995	912,872	(356,921)	103,551	660,546
Ending balance (in shares) at Jun. 30, 2021	88,160,703	16,221,101
Beginning balance at Mar. 31, 2021	$ 879	$ 162	571,375	910,688	(340,354)	106,574	677,949
Beginning balance (in shares) at Mar. 31, 2021	87,856,767	16,221,101
Increase (Decrease) in Stockholders' Equity [Roll Forward]
ESPP shares issued			16	16		(1)	15
ESPP shares issued (in shares)	2,736
Equity-based compensation			2,131	2,131		393	2,524
Issuance of restricted shares	$ 4		356	352		(356)
Issuance of restricted shares (in shares)	356,360
Other			5	5			5
Other (in shares)	738
Repurchase of common stock	$ (1)		(336)	(335)		4	(332)
Repurchase of common stock ( in shares)	(55,898)
NCI income tax adjustment			15	15		(15)
Net income (loss)			(16,567)		(16,567)	(3,048)	(19,615)
Ending balance at Jun. 30, 2021	$ 882	$ 162	556,995	912,872	(356,921)	103,551	660,546
Ending balance (in shares) at Jun. 30, 2021	88,160,703	16,221,101
Beginning balance at Dec. 31, 2021	$ 942	$ 162	592,096	950,464	(359,472)	103,078	695,174
Beginning balance (in shares) at Dec. 31, 2021	94,172,920	16,221,101
Increase (Decrease) in Stockholders' Equity [Roll Forward]
ESPP shares issued			24	24		1	25
ESPP shares issued (in shares)	3,140
Equity-based compensation			6,189	6,189		1,030	7,219
Issuance of shares for acquisitions	$ 42		34,498	34,456		1,356	35,854
Issuance of shares for acquisition (in shares)	4,203,323
Issuance of restricted shares	$ 25		2,245	2,220		(2,245)
Issuance of restricted shares (in shares)	2,529,231
Stock options exercised	$ 1		584	583		24	608
Stock options exercised (in shares)	70,000
Repurchase of common stock	$ (27)		(19,868)	(19,841)		(436)	(20,304)
Repurchase of common stock ( in shares)	(2,754,923)
Restricted shares forfeited	$ (1)		(57)	(56)		57
Restricted shares forfeited (in shares)	(63,118)
NCI income tax adjustment			27	27		(24)	3
Net income (loss)			19,305		19,305	3,261	22,566
Ending balance at Jun. 30, 2022	$ 982	$ 162	635,043	974,066	(340,167)	106,102	741,145
Ending balance (in shares) at Jun. 30, 2022	98,160,573	16,221,101
Beginning balance at Mar. 31, 2022	$ 981	$ 162	619,755	971,282	(352,670)	103,637	723,392
Beginning balance (in shares) at Mar. 31, 2022	98,111,119	16,221,101
Increase (Decrease) in Stockholders' Equity [Roll Forward]
ESPP shares issued			13	13			13
ESPP shares issued (in shares)	1,591
Equity-based compensation			3,384	3,384		560	3,944
Issuance of restricted shares	$ 2		173	171		(173)
Issuance of restricted shares (in shares)	191,436
Repurchase of common stock			(761)	(761)		(27)	(788)
Repurchase of common stock ( in shares)	(94,595)
Restricted shares forfeited	$ (1)		(44)	(43)		44
Restricted shares forfeited (in shares)	(48,978)
NCI income tax adjustment			20	20		(17)	3
Net income (loss)			12,503		12,503	2,078	14,581
Ending balance at Jun. 30, 2022	$ 982	$ 162	$ 635,043	$ 974,066	$ (340,167)	$ 106,102	$ 741,145
Ending balance (in shares) at Jun. 30, 2022	98,160,573	16,221,101