Consolidated Statements of Changes in Equity - USD ($) $ in Thousands	Total	Class A Common Stock	Common Stock Class A Common Stock	Common Stock Class B Common Stock	Treasury Stock	Additional Paid-in Capital	Retained Earnings (Deficit)	Accumulated Other Comprehensive Income (Loss)	Non-Controlling Interests
Beginning Balance at Dec. 31, 2020	$ 687,846		$ 267		$ (163,658)	$ 349,363	$ (33,127)	$ 1,414	$ 533,587
Beginning Balance (in shares) at Dec. 31, 2020			27,293,085	194	(3,476,731)
Net Income	189,955						106,168		83,787
Other Comprehensive Income (Loss)	(1,444)							(783)	(661)
Dividends Declared	(77,974)						(77,974)
Tax Distributions	(37,830)								(37,830)
Equity-Based Compensation	108,913					101,465			7,448
Net Share Settlement	(22,773)					(22,773)
Deliveries of Vested Shares of Common Stock			$ 25			(25)
Deliveries of Vested Shares of Common Stock (in shares)			1,955,372
Change in Ownership Interest	(105,779)					(36,788)			(68,991)
Change in Ownership Interest (in shares)				(35)
Treasury Stock Purchases	(103,342)				$ (103,342)
Treasury Stock Purchases (in shares)					1,452,313
Ending Balance at Dec. 31, 2021	637,572		$ 292		$ (267,000)	391,242	(4,933)	631	517,340
Ending Balance (in shares) at Dec. 31, 2021			29,248,457	159	(4,929,044)
Net Income	164,772						90,534		74,238
Other Comprehensive Income (Loss)	(5,304)							(2,905)	(2,399)
Dividends Declared	(24,632)						(24,632)
Tax Distributions	(38,338)								(38,338)
Equity-Based Compensation	165,528					143,949			21,579
Net Share Settlement	(17,792)					(17,792)
Deliveries of Vested Shares of Common Stock			$ 18			(18)
Deliveries of Vested Shares of Common Stock (in shares)			1,814,118
Change in Ownership Interest	(12,764)					(14,796)			2,032
Change in Ownership Interest (in shares)				(1)
Treasury Stock Purchases	(109,484)				$ (109,484)
Treasury Stock Purchases (in shares)					(1,654,245)
Ending Balance at Dec. 31, 2022	759,558		$ 310		$ (376,484)	502,585	60,969	(2,274)	574,452
Ending Balance (in shares) at Dec. 31, 2022			31,062,575	158	(6,583,289)
Net Income	145,682						81,799		63,883
Other Comprehensive Income (Loss)	3,249							1,807	1,442
Dividends Declared	(24,436)						(24,436)
Tax Distributions	(42,909)								(42,909)
Equity-Based Compensation	178,535					157,837			20,698
Net Share Settlement	(19,406)					(19,406)
Deliveries of Vested Shares of Common Stock			$ 14			(14)
Deliveries of Vested Shares of Common Stock (in shares)			1,293,914
Change in Ownership Interest	(22,371)					(21,300)			(1,071)
Change in Ownership Interest (in shares)				(14)
Treasury Stock Purchases	(116,738)				$ (116,738)
Treasury Stock Purchases (in shares)		(1,600,000)			(1,587,761)
Ending Balance at Dec. 31, 2023	$ 861,164		$ 324		$ (493,222)	$ 619,702	$ 118,332	$ (467)	$ 616,495
Ending Balance (in shares) at Dec. 31, 2023			32,356,489	144	(8,171,050)