Consolidated Statements of Equity - USD ($) $ in Thousands	Class A common stock Common Stock [Member]	Class B common stock Common Stock [Member]	Member Equity [Member]	(Accumulated Deficit)	Accumulated Other Comprehensive (Loss) Income	Additional Paid-In Capital	Non-controlling Interest	Total
Beginning Balance at Dec. 31, 2016			$ 42,941		$ (1,940)		$ (19)	$ 40,982
Increase (Decrease) in Stockholders' Equity
Net income prior to IPO			11,165				(4)	11,161
Other comprehensive income prior to IPO					515			515
Issuance of equity for business combination	$ 6							6
Issuance of equity for business combination (in shares)	6,035,000
Accrued tax distribution prior to recapitalization			(591)					(591)
Exchange of LLC Interests held by LLC Owners			$ (53,515)		668	$ 28,459	24,388
Issuance of Class B Shares		$ 8						8
Issuance of Class B Shares (in shares)		8,402,000
Issuance of Class A Shares for IPO net of under writing discounts and offering costs	$ 7					104,003		104,010
Number of shares issued	7,188,000
Issuance of preference notes to affiliates						(55,960)		(55,960)
Increase in deferred tax asset from step-up in tax basis						9,441		9,441
Purchase of noncontrolling interests		$ (133)			(120)	(15,345)	13,332	(2,133)
Accrued tax distributions							(6)	(6)
Stock based compensation expense						275	172	447
Net (loss) income								7,817
Other comprehensive income post IPO					190		119	308
Net (loss) income post IPO				$ (3,493)			149	(3,344)
Ending Balance at Dec. 31, 2017	$ 13	$ 8		(3,493)	(687)	70,873	38,130	104,844
Ending Balance (in shares) at Dec. 31, 2017	13,223,000	8,268,000
Increase (Decrease) in Stockholders' Equity
Issuance of equity for business combination		$ 5			128	43,075	59,796	103,004
Issuance of equity for business combination (in shares)		4,600,000
Exchange of LLC Interests held by LLC Owners	$ 6	$ (6)			(290)	47,458	(47,168)
Exchange of LLC Interests held by LLC Owners (in shares)	6,321,000	(6,321,000)
Net increase in deferred tax asset from LLC Interest transactions						36,882		36,882
Issuance of Class A Shares for IPO net of under writing discounts and offering costs	$ 2					73,912		73,914
Number of shares issued	2,000,000
Accrued tax distributions							(2,097)	(2,097)
Other comprehensive income					(441)		(172)	(613)
Equity shift as a result of the public offering					(26)	(13,914)	13,940
Stock based compensation expense						2,504	1,308	3,812
Exercise of Options to purchase Common Stock						1,429		$ 1,429
Exercise of Options to purchase Common Stock (in shares)	76,000							76,000.00
Net (loss) income				(782)			869	$ 87
Ending Balance at Dec. 31, 2018	$ 22	$ 7		(4,450)	(1,316)	262,219	64,496	320,977
Ending Balance (in shares) at Dec. 31, 2018	21,620,000	6,547,000
Increase (Decrease) in Stockholders' Equity
ASC 606 adoption, net of tax				(175)			(110)	(285)
Exchange of LLC Interests held by LLC Owners	$ 1	$ (1)			(109)	17,299	(17,190)
Exchange of LLC Interests held by LLC Owners (in shares)	1,794,000	(1,794,000)
Net increase in deferred tax asset from LLC Interest transactions						12,381		12,381
Accrued tax distributions							(786)	(786)
Other comprehensive income					294		72	366
Stock based compensation expense						5,902	1,453	7,355
Exercise of Options to purchase Common Stock						2,318		$ 2,318
Exercise of Options to purchase Common Stock (in shares)	119,000							119,000.00
Issuance of stock for vesting of RSU's (in shares)	21,000
Net (loss) income				(11,453)			(2,849)	$ (14,302)
Ending Balance at Dec. 31, 2019	$ 23	$ 5		$ (15,903)	$ (1,131)	$ 300,120	$ 45,196	$ 328,310
Ending Balance (in shares) at Dec. 31, 2019	23,554,000	4,752,000