CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) shares in Thousands, $ in Thousands	Total	Additional Paid-In Capital	Retained Earnings	Accumulated Other Comprehensive Income (Loss)	Non-controlling Interest	Class A Common Stock Common stock	Class B Common Stock Common stock
Balance at the beginning of the period (in shares) at Dec. 31, 2020						47,713	27,655
Balance at the beginning of the period at Dec. 31, 2020	$ 550,770	$ 202,077	$ 150,086	$ 330	$ 197,800	$ 477	$ 0
Statement of Stockholders'/Members' Equity
Member distributions	(1,674)				(1,674)
Effect of CW Unit redemptions (in shares)						6,272	(6,272)
Effect of CW Unit redemptions	0	44,999			(45,062)	$ 63
Tax impact of equity transactions	505	505
Equity award vestings (in shares)						332
Equity award vestings	(3,138)	(1,048)			(2,093)	$ 3
Other comprehensive loss (income)	(193)			(75)	(118)
Stock-based compensation	2,003	1,342			661
Cash dividends declared	(4,359)		(4,359)
Net income	15,136		11,559		3,577
Balance at the end of the period (in shares) at Mar. 31, 2021						54,317	21,383
Balance at the end of the period at Mar. 31, 2021	559,050	247,875	157,286	255	153,091	$ 543	$ 0
Balance at the beginning of the period (in shares) at Dec. 31, 2021						59,035	16,674
Balance at the beginning of the period at Dec. 31, 2021	595,033	289,600	178,446	8	126,389	$ 590	$ 0
Statement of Stockholders'/Members' Equity
Member distributions	(1,654)				(1,654)
Effect of CW Unit redemptions (in shares)						1,000	(1,000)
Effect of CW Unit redemptions	0	7,878			(7,888)	$ 10
Tax impact of equity transactions	2,531	2,531
Equity award vestings (in shares)						162
Equity award vestings	(4,424)	(3,212)			(1,214)	$ 2
Other comprehensive loss (income)	436			327	109
Stock-based compensation	2,666	2,096			570
Cash dividends declared	(6,569)		(6,569)
Net income	27,083		20,616		6,467
Balance at the end of the period (in shares) at Mar. 31, 2022						60,197	15,674
Balance at the end of the period at Mar. 31, 2022	$ 615,102	$ 298,893	$ 192,493	$ 335	$ 122,779	$ 602	$ 0