Condensed Consolidated Statements of Stockholders' Equity (Deficit) (Unaudited) - USD ($) shares in Thousands, $ in Thousands	Class A Common Stock	Class B Common Stock	Additional Paid-in Capital	Accumulated Equity (Deficit)	Total Stockholders' Equity (Deficit)	Noncontrolling Interest	Total
Balance at Dec. 31, 2018	$ 1	$ 4	$ 3,655	$ (4,322)	$ (662)	$ (1,349)	$ (2,011)
Balance, shares at Dec. 31, 2018	9,731	44,071
Net income (loss)				(130)	(130)	(590)	(720)
Stock-based compensation			73,000		73,000		73,000
Stock-based compensation, shares
Balance at Mar. 30, 2019	$ 1	$ 4	3,728	(4,452)	(719)	(1,939)	(2,658)
Balance, shares at Mar. 30, 2019	9,731	44,071
Balance at Dec. 31, 2018	$ 1	$ 4	3,655	(4,322)	(662)	(1,349)	(2,011)
Balance, shares at Dec. 31, 2018	9,731	44,071
Net income (loss)							(8,061)
Accrued distributions
Balance at Jun. 30, 2019	$ 1	$ 4	10,364	(5,790)	4,579	(7,942)	(3,363)
Balance, shares at Jun. 30, 2019	9,827	44,071
Balance at Mar. 31, 2019	$ 1	$ 4	3,728	(4,452)	(719)	(1,939)	(2,658)
Balance, shares at Mar. 31, 2019	9,731	44,071
Net income (loss)				(1,338)	(1,338)	(6,003)	(7,341)
Stock-based compensation			6,733		6,733		6,733
Stock-based compensation, shares
Repurchase of stock options			(97)		(97)		(97)
Issuance of common stock
Issuance of common stock, shares	96
Balance at Jun. 30, 2019	$ 1	$ 4	10,364	(5,790)	4,579	(7,942)	(3,363)
Balance, shares at Jun. 30, 2019	9,827	44,071
Balance at Dec. 31, 2019	$ 2	$ 3	5,990	(8,349)	(2,354)	(2,378)	(4,732)
Balance, shares at Dec. 31, 2019	22,494	31,394
Net income (loss)				8,835	8,835	11,166	20,001
Stock-based compensation			250		250		250
Stock-based compensation, shares
Issuance of common stock, shares	3
Exchange of stock
Exchange of stock, shares	1,124	(1,124)
Exercise of warrants			12		12		12
Exercise of warrants, shares	1
Tax Receivable Agreement liability			(221)		(221)		(221)
Accrued distributions			(196)		(196)		(196)
Impact of transactions affecting NCI			120		120	(120)
Balance at Mar. 31, 2020	$ 2	$ 3	5,955	486	6,446	8,668	15,114
Balance, shares at Mar. 31, 2020	23,622	30,270
Balance at Dec. 31, 2019	$ 2	$ 3	5,990	(8,349)	(2,354)	(2,378)	(4,732)
Balance, shares at Dec. 31, 2019	22,494	31,394
Net income (loss)							14,179
Accrued distributions							(4,523)
Balance at Jun. 30, 2020	$ 4	$ 2	20,584	(1,495)	19,095	(1,626)	17,469
Balance, shares at Jun. 30, 2020	36,468	17,510
Balance at Mar. 31, 2020	$ 2	$ 3	5,955	486	6,446	8,668	15,114
Balance, shares at Mar. 31, 2020	23,622	30,270
Net income (loss)				(1,981)	(1,981)	(3,841)	(5,822)
Stock-based compensation			962		962		962
Stock-based compensation, shares
Issuance of common stock	$ 1				1		1
Issuance of common stock, shares	80
Exchange of stock	$ 1	$ (1)
Exchange of stock, shares	12,760	(12,760)
Exercise of warrants			11		11		11
Exercise of warrants, shares	1
Exercise of Stock option			(61)		(61)		(61)
Exercise of Stock option, shares	5
Tax Receivable Agreement liability			56,857		56,857		56,857
Deferred income taxes			(45,266)		(45,266)		(45,266)
Accrued distributions			(4,327)		(4,327)		(4,327)
Impact of transactions affecting NCI			6,453		6,453	(6,453)
Balance at Jun. 30, 2020	$ 4	$ 2	$ 20,584	$ (1,495)	$ 19,095	$ (1,626)	$ 17,469
Balance, shares at Jun. 30, 2020	36,468	17,510