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, 2022						60,903	14,978
Balance at the beginning of the period at Dec. 31, 2022	$ 710,445	$ 310,528	$ 261,764	$ (984)	$ 138,528	$ 609	$ 0
Statement of Stockholders'/Members' Equity
Issuance of common stock (in shares)						3,352
Issuances of common stock	169,369	143,302			26,033	$ 34
Member distributions	(4,712)				(4,712)
Effect of CC Unit redemptions (in shares)						158	(158)
Effect of CC Unit redemptions	0	2,020			(2,022)	$ 2
Tax impact of equity transactions	3,273	(13,553)			16,826
Equity award vestings (in shares)						200
Equity award vestings	(4,440)	(3,071)			(1,371)	$ 2
Other comprehensive income (loss)	(142)			(112)	(30)
Share repurchases (in shares)						(4)
Share repurchases	(159)	(137)			(22)
Stock-based compensation	8,752	7,117			1,635
Cash dividends declared	(14,359)		(14,359)
Net income	84,747		67,644		17,103
Balance at the end of the period (in shares) at Jun. 30, 2023						64,609	14,820
Balance at the end of the period at Jun. 30, 2023	952,774	446,206	315,049	(1,096)	191,968	$ 647	$ 0
Balance at the beginning of the period (in shares) at Mar. 31, 2023						64,448	14,978
Balance at the beginning of the period at Mar. 31, 2023	925,836	439,844	297,528	(764)	188,583	$ 645	$ 0
Statement of Stockholders'/Members' Equity
Member distributions	(3,068)				(3,068)
Effect of CC Unit redemptions (in shares)						158	(158)
Effect of CC Unit redemptions	0	2,020			(2,022)	$ 2
Tax impact of equity transactions	428	428
Equity award vestings (in shares)						7
Equity award vestings	(97)	(62)			(35)
Other comprehensive income (loss)	(445)			(332)	(113)
Share repurchases (in shares)						(4)
Share repurchases	(159)	(137)			(22)
Stock-based compensation	5,049	4,113			936
Cash dividends declared	(7,229)		(7,229)
Net income	32,459		24,750		7,709
Balance at the end of the period (in shares) at Jun. 30, 2023						64,609	14,820
Balance at the end of the period at Jun. 30, 2023	952,774	446,206	315,049	(1,096)	191,968	$ 647	$ 0
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	(8,617)				(8,617)
Effect of CC Unit redemptions (in shares)						952	(952)
Effect of CC Unit redemptions	0	14,406			(14,416)	$ 10
Tax impact of equity transactions	533	533			0
Equity award vestings (in shares)						206
Equity award vestings	(5,117)	(3,644)			(1,475)	$ 2
Other comprehensive income (loss)	(629)			(514)	(115)
Share repurchases (in shares)						(87)
Share repurchases	(3,372)	(2,996)			(375)	$ (1)
Stock-based compensation	10,438	8,649			1,789
Cash dividends declared	(16,084)		(16,084)
Net income	112,874		88,793		24,081
Balance at the end of the period (in shares) at Jun. 30, 2024						66,480	13,082
Balance at the end of the period at Jun. 30, 2024	1,154,796	481,960	473,391	(1,340)	200,120	$ 665	$ 0
Balance at the beginning of the period (in shares) at Mar. 31, 2024						65,518	14,034
Balance at the beginning of the period at Mar. 31, 2024	1,100,589	462,464	431,703	(1,456)	207,223	$ 655	$ 0
Statement of Stockholders'/Members' Equity
Member distributions	(6,933)				(6,933)
Effect of CC Unit redemptions (in shares)						952	(952)
Effect of CC Unit redemptions	0	14,406			(14,416)	$ 10
Tax impact of equity transactions	299	299
Equity award vestings (in shares)						10
Equity award vestings	(221)	(178)			(43)
Other comprehensive income (loss)	174			116	58
Stock-based compensation	5,969	4,969			1,000
Cash dividends declared	(8,140)		(8,140)
Net income	63,059		49,828		13,231
Balance at the end of the period (in shares) at Jun. 30, 2024						66,480	13,082
Balance at the end of the period at Jun. 30, 2024	$ 1,154,796	$ 481,960	$ 473,391	$ (1,340)	$ 200,120	$ 665	$ 0