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, 2023						65,409	14,034
Balance at the beginning of the period at Dec. 31, 2023	$ 1,064,770	$ 465,012	$ 400,682	$ (826)	$ 199,248	$ 654	$ 0
Statement of Stockholders'/Members' Equity
Member distributions	(10,444)				(10,444)
Effect of CC Unit redemptions (in shares)						1,106	(1,106)
Effect of CC Unit redemptions	0	16,854			(16,865)	$ 11
Tax impact of equity transactions	603	603
Equity award vestings (in shares)						228
Equity award vestings	(5,949)	(4,284)			(1,667)	$ 2
Other comprehensive income (loss)	140			87	53
Share repurchases (in shares)						(87)
Share repurchases	(3,372)	(2,996)			(375)	$ (1)
Stock-based compensation	16,142	13,422			2,720
Cash dividends declared	(24,921)		(24,921)
Net income	175,311		138,720		36,591
Balance at the end of the period (in shares) at Sep. 30, 2024						66,656	12,928
Balance at the end of the period at Sep. 30, 2024	1,212,280	488,611	514,481	(739)	209,261	$ 666	$ 0
Balance at the beginning of the period (in shares) at Jun. 30, 2024						66,480	13,082
Balance at the beginning of the period at Jun. 30, 2024	1,154,796	481,960	473,391	(1,340)	200,120	$ 665	$ 0
Statement of Stockholders'/Members' Equity
Member distributions	(1,827)				(1,827)
Effect of CC Unit redemptions (in shares)						154	(154)
Effect of CC Unit redemptions	0	2,448			(2,449)	$ 1
Tax impact of equity transactions	70	70
Equity award vestings (in shares)						22
Equity award vestings	(832)	(640)			(192)
Other comprehensive income (loss)	769			601	168
Stock-based compensation	5,704	4,773			931
Cash dividends declared	(8,837)		(8,837)
Net income	62,437		49,927		12,510
Balance at the end of the period (in shares) at Sep. 30, 2024						66,656	12,928
Balance at the end of the period at Sep. 30, 2024	1,212,280	488,611	514,481	(739)	209,261	$ 666	$ 0
Balance at the beginning of the period (in shares) at Dec. 31, 2024						68,151	11,433
Balance at the beginning of the period at Dec. 31, 2024	1,264,179	520,794	552,133	(2,491)	193,062	$ 681	$ 0
Statement of Stockholders'/Members' Equity
Member distributions	(10,303)				(10,303)
Effect of CC Unit redemptions (in shares)						425	(425)
Effect of CC Unit redemptions	0	7,634			(7,634)
Tax impact of equity transactions	853	853
Equity award vestings (in shares)						263
Equity award vestings	(5,914)	(4,366)			(1,555)	$ 7
Other comprehensive income (loss)	542			405	137
Stock-based compensation	18,668	16,030			2,638
Cash dividends declared	(27,953)		(27,953)
Net income	153,340		126,176		27,164
Balance at the end of the period (in shares) at Sep. 30, 2025						68,839	11,008
Balance at the end of the period at Sep. 30, 2025	1,393,412	540,945	650,356	(2,086)	203,509	$ 688	$ 0
Balance at the beginning of the period (in shares) at Jun. 30, 2025						68,574	11,260
Balance at the beginning of the period at Jun. 30, 2025	1,348,537	530,945	618,554	(1,983)	200,336	$ 685	$ 0
Statement of Stockholders'/Members' Equity
Member distributions	(1,560)				(1,560)
Effect of CC Unit redemptions (in shares)						252	(252)
Effect of CC Unit redemptions	0	4,603			(4,603)
Tax impact of equity transactions	267	267
Equity award vestings (in shares)						13
Equity award vestings	(204)	(143)			(64)	$ 3
Other comprehensive income (loss)	(120)			(103)	(17)
Stock-based compensation	6,126	5,273			853
Cash dividends declared	(9,822)		(9,822)
Net income	50,188		41,624		8,564
Balance at the end of the period (in shares) at Sep. 30, 2025						68,839	11,008
Balance at the end of the period at Sep. 30, 2025	$ 1,393,412	$ 540,945	$ 650,356	$ (2,086)	$ 203,509	$ 688	$ 0