Condensed Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands	Common Class A Common Stock	Common Class A	Common Class B Common Stock	Common Class B	Additional paid-in capital	Retained earnings (accumulated deficit)	Accumulated other comprehensive income (loss), net of tax	Non-controlling interest	Total
Beginning balance, Value at Dec. 31, 2020	$ 2				$ 491,422	$ 25,628	$ 612	$ (416,007)	$ 101,657
Beginning balance, Shares at Dec. 31, 2020	18,390,691		1
Net Income (loss)						1,163		600	1,763
Distributions to non-controlling unitholders								(2,889)	(2,889)
Equity-based compensation expense and dividend equivalents, Value					12,679	(472)			12,207
Equity-based compensation expense and dividend equivalents, Shares	459,330
Dividends to Class A common stockholders		$ (4,326)				(4,326)			(4,326)
Change in accumulated other comprehensive income (loss)							41	38	79
Payroll taxes related to net settled restricted stock units, Value					(5,291)				(5,291)
Payroll taxes related to net settled restricted stock units, Shares	(130,773)
Ending balance, Value at Mar. 31, 2021	$ 2				498,810	21,993	653	(418,258)	103,200
Ending balance, Shares at Mar. 31, 2021	18,719,248		1
Beginning balance, Value at Dec. 31, 2021	$ 2				515,443	(7,821)	650	(439,207)	69,067
Beginning balance, Shares at Dec. 31, 2021	18,806,194	18,806,194	1	1
Net Income (loss)						1,451		1,494	2,945
Distributions to non-controlling unitholders								(2,894)	(2,894)
Equity-based compensation expense and dividend equivalents, Value					12,215	(685)			11,530
Equity-based compensation expense and dividend equivalents, Shares	587,283
Dividends to Class A common stockholders		$ (4,439)				(4,439)			(4,439)
Repurchase and retirement of common shares, Value						(1,314)			$ (1,314)
Repurchase and retirement of common shares, Shares	(45,885)								(45,885)
Change in accumulated other comprehensive income (loss)							242	240	$ 482
Payroll taxes related to net settled restricted stock units, Value					(5,586)				(5,586)
Payroll taxes related to net settled restricted stock units, Shares	(175,048)
Ending balance, Value at Mar. 31, 2022	$ 2				$ 522,072	$ (12,808)	$ 892	$ (440,367)	$ 69,791
Ending balance, Shares at Mar. 31, 2022	19,172,544	19,172,544	1	1