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	(8,074)				(8,074)
Effect of CW Unit redemptions (in shares)						10,898	(10,898)
Effect of CW Unit redemptions	0	78,654			(78,763)	$ 109
Tax impact of equity transactions	2,628	2,628
Equity award vestings (in shares)						336
Equity award vestings	(3,192)	(1,079)			(2,116)	$ 3
Other comprehensive loss	(804)			(495)	(309)
Stock-based compensation	6,546	4,773			1,773
Cash dividends declared	(15,261)		(15,261)
Net income	47,087		34,569		12,518
Balance at the end of the period (in shares) at Sep. 30, 2021						58,947	16,757
Balance at the end of the period at Sep. 30, 2021	579,700	287,053	169,394	(165)	122,829	$ 589	$ 0
Balance at the beginning of the period (in shares) at Jun. 30, 2021						58,038	17,665
Balance at the beginning of the period at Jun. 30, 2021	571,175	278,505	162,668	217	129,205	$ 580	$ 0
Statement of Stockholders'/Members' Equity
Member distributions	(4,514)				(4,514)
Effect of CW Unit redemptions (in shares)						908	(908)
Effect of CW Unit redemptions	0	6,743			(6,752)	$ 9
Tax impact of equity transactions	192	192
Equity award vestings (in shares)						1
Equity award vestings	(18)	(12)			(6)
Other comprehensive loss	(529)			(382)	(147)
Stock-based compensation	2,108	1,625			483
Cash dividends declared	(5,891)		(5,891)
Net income	17,177		12,617		4,560
Balance at the end of the period (in shares) at Sep. 30, 2021						58,947	16,757
Balance at the end of the period at Sep. 30, 2021	579,700	287,053	169,394	(165)	122,829	$ 589	$ 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	(8,007)				(8,007)
Effect of CW Unit redemptions (in shares)						1,515	(1,515)
Effect of CW Unit redemptions	0	12,039			(12,054)	$ 15
Tax impact of equity transactions	2,931	2,931
Equity award vestings (in shares)						169
Equity award vestings	(4,494)	(3,258)			(1,238)	$ 2
Other comprehensive loss	(2,150)			(1,625)	(525)
Stock-based compensation	8,034	6,386			1,648
Cash dividends declared	(20,080)		(20,080)
Net income	104,383		79,185		25,198
Balance at the end of the period (in shares) at Sep. 30, 2022						60,719	15,159
Balance at the end of the period at Sep. 30, 2022	675,650	307,698	237,551	(1,617)	131,411	$ 607	$ 0
Balance at the beginning of the period (in shares) at Jun. 30, 2022						60,613	15,263
Balance at the beginning of the period at Jun. 30, 2022	643,808	304,418	212,913	(698)	126,569	$ 606	$ 0
Statement of Stockholders'/Members' Equity
Member distributions	(4,659)				(4,659)
Effect of CW Unit redemptions (in shares)						104	(104)
Effect of CW Unit redemptions	0	894			(895)	$ 1
Tax impact of equity transactions	(33)	(33)
Equity award vestings (in shares)						2
Equity award vestings	2	5			(3)
Other comprehensive loss	(1,219)			(919)	(300)
Stock-based compensation	3,018	2,414			604
Cash dividends declared	(6,787)		(6,787)
Net income	41,520		31,425		10,095
Balance at the end of the period (in shares) at Sep. 30, 2022						60,719	15,159
Balance at the end of the period at Sep. 30, 2022	$ 675,650	$ 307,698	$ 237,551	$ (1,617)	$ 131,411	$ 607	$ 0