Consolidated Statements of Changes in Equity - USD ($) $ in Thousands	Total	Cumulative Effect Adjustment Upon Adoption	As Adjusted	Common Stock [Member] Class A Common Stock	Common Stock [Member] Class A Common Stock As Adjusted	Common Stock [Member] Class B Common Stock	Common Stock [Member] Class B Common Stock As Adjusted	Treasury Stock	Treasury Stock As Adjusted	Additional Paid-In Capital	Additional Paid-In Capital As Adjusted	Retained Earnings (Accumulated Deficit)	Retained Earnings (Accumulated Deficit) Cumulative Effect Adjustment Upon Adoption	Retained Earnings (Accumulated Deficit) As Adjusted	Accumulated Other Comprehensive Income (Loss)	Accumulated Other Comprehensive Income (Loss) As Adjusted	Noncontrolling Interests	Noncontrolling Interests As Adjusted
Balance at beginning of the period at Dec. 31, 2018	$ 371,753			$ 470		$ 105		$ (56,661)		$ 697,938		$ (237,782)			$ 291		$ (32,608)
Balance at beginning of the period (in shares) at Dec. 31, 2018				47,031,095		10,493,358		(1,426,115)
Changes in Equity
Net income (loss)	135,692											105,095					30,597
Equity-based compensation	124,212			$ 44						123,958							210
Equity-based compensation (in shares)				4,399,851
Other comprehensive income (loss)	1,452														1,141		311
Dividends declared tax distributions	(209,178)									33,299		(191,505)					(50,972)
Treasury stock purchases	(51,175)							$ (51,175)
Treasury stock purchases (in shares)								(1,331,443)
Exercise of stock options	21,472			$ 13						21,459
Exercise of stock options (in shares)				1,285,533
Issuance of Class A common stock and cancellation of Class B common stock in connection with offerings and other exchanges	430			$ 1		$ (1)				(1,580)							2,010
Issuance of Class A common stock and cancellation of Class B common stock in connection with offerings and other exchanges (in shares)				61,936		(61,936)
Equity-based payments to non-employees	729									729
Other	(1,560)									(3,012)							1,452
Other (in shares)				4,798		33,507
Balance at end of the period at Dec. 31, 2019	393,827	$ (364)	$ 393,463	$ 528	$ 528	$ 104	$ 104	$ (107,836)	$ (107,836)	872,791	$ 872,791	(324,192)	$ (364)	$ (324,556)	1,432	$ 1,432	(49,000)	$ (49,000)
Balance at end of the period (in shares) at Dec. 31, 2019				52,773,617	52,773,617	10,397,915	10,397,915	(2,757,558)	(2,757,558)
Changes in Equity
Accounting Standards Update [Extensible List]		ASU 2016-13
Net income (loss)	218,438											178,831					39,607
Equity-based compensation	133,623			$ 40						133,544							39
Equity-based compensation (in shares)				4,036,161
Other comprehensive income (loss)	(2,040)														(1,633)		(407)
Dividends declared tax distributions	(282,920)									41,144		(274,957)					(49,107)
Treasury stock purchases	$ (44,334)							$ (44,334)
Treasury stock purchases (in shares)	(1,201,525)							(1,201,525)
Exercise of stock options	$ 11,923			$ 7						11,916
Exercise of stock options (in shares)				727,984
Issuance of Class A common stock and cancellation of Class B common stock in connection with offerings and other exchanges	14,178			$ 45		$ (45)				(6,544)							20,722
Issuance of Class A common stock and cancellation of Class B common stock in connection with offerings and other exchanges (in shares)				4,449,165		(4,449,165)
Equity-based payments to non-employees	1,452									1,452
Other	690									(1,981)							2,671
Balance at end of the period at Dec. 31, 2020	444,473			$ 620		$ 59		$ (152,170)		1,052,322		(420,682)			(201)		(35,475)
Balance at end of the period (in shares) at Dec. 31, 2020				61,986,927		5,948,750		(3,959,083)
Changes in Equity
Net income (loss)	422,978											365,213					57,765
Equity-based compensation	167,938			$ 36						142,507							25,395
Equity-based compensation (in shares)				3,714,605
Other comprehensive income (loss)	(431)														(359)		(72)
Dividends declared tax distributions	(479,963)									63,374		(479,813)					(63,524)
Treasury stock purchases	$ (104,150)							$ (104,150)
Treasury stock purchases (in shares)	(1,914,097)							(1,914,097)
Issuance of Class A common stock and cancellation of Class B common stock in connection with offerings and other exchanges	$ 26,964			$ 29		$ (12)				22,005							4,942
Issuance of Class A common stock and cancellation of Class B common stock in connection with offerings and other exchanges (in shares)				2,817,247		(1,262,406)
Equity-based payments to non-employees	315									315
Other	175									(25)							200
Balance at end of the period at Dec. 31, 2021	$ 478,299			$ 685		$ 47		$ (256,320)		$ 1,280,498		$ (535,282)			$ (560)		$ (10,769)
Balance at end of the period (in shares) at Dec. 31, 2021				68,518,779		4,686,344		(5,873,180)