UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF SERIES A REDEEMABLE CONVERTIBLE PREFERRED STOCK AND STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Series A Redeemable Convertible Preferred Stock	Common Stock	Treasury Stock	Additional Paid-in Capital	Accumulated Deficit	Noncontrolling Interests in Operating Subsidiaries
Beginning balance (in shares) at Dec. 31, 2020		350,000
Beginning balance at Dec. 31, 2020		$ 10,924
Increase (Decrease) in Temporary Equity [Roll Forward]
Accretion of Series A Redeemable Convertible Preferred Stock to redemption value		$ 2,762
Ending balance (in shares) at Sep. 30, 2021		350,000
Ending balance at Sep. 30, 2021		$ 13,686
Beginning balance (in shares) at Dec. 31, 2020			49,279,453
Beginning balance at Dec. 31, 2020	$ 288,316		$ 49	$ (43,270)	$ 651,416	$ (330,921)	$ 11,042
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net (loss) income including noncontrolling interests in subsidiaries	(54,142)					(55,048)	906
Accretion of Series A Redeemable Convertible Preferred Stock to redemption value	(2,762)				(2,762)
Dividend on Series A Redeemable Convertible Preferred Stock	(785)				(785)
Stock options exercised (in shares)			60,000
Stock options exercised	202		$ 1		201
Issuance of common stock for vesting of restricted stock units (in shares)			28,834
Issuance of common stock for unvested restricted stock awards, net of forfeitures (in shares)			223,565
Compensation expense for share-based awards	1,279				1,279
Ending balance (in shares) at Sep. 30, 2021			49,591,852
Ending balance at Sep. 30, 2021	232,108		$ 50	(43,270)	649,349	(385,969)	11,948
Beginning balance (in shares) at Jun. 30, 2021		350,000
Beginning balance at Jun. 30, 2021		$ 12,695
Increase (Decrease) in Temporary Equity [Roll Forward]
Accretion of Series A Redeemable Convertible Preferred Stock to redemption value		$ 991
Ending balance (in shares) at Sep. 30, 2021		350,000
Ending balance at Sep. 30, 2021		$ 13,686
Beginning balance (in shares) at Jun. 30, 2021			49,616,602
Beginning balance at Jun. 30, 2021	143,196		$ 50	(43,270)	650,194	(475,726)	11,948
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net (loss) income including noncontrolling interests in subsidiaries	89,757					89,757	0
Accretion of Series A Redeemable Convertible Preferred Stock to redemption value	(991)				(991)
Dividend on Series A Redeemable Convertible Preferred Stock	(262)				(262)
Stock options exercised (in shares)			30,000
Stock options exercised	108		$ 0		108
Issuance of common stock for unvested restricted stock awards, net of forfeitures (in shares)			(54,750)
Compensation expense for share-based awards	300				300
Ending balance (in shares) at Sep. 30, 2021			49,591,852
Ending balance at Sep. 30, 2021	232,108		$ 50	(43,270)	649,349	(385,969)	11,948
Beginning balance (in shares) at Dec. 31, 2021		350,000
Beginning balance at Dec. 31, 2021		$ 14,753
Increase (Decrease) in Temporary Equity [Roll Forward]
Accretion of Series A Redeemable Convertible Preferred Stock to redemption value		$ 3,729
Ending balance (in shares) at Sep. 30, 2022		350,000
Ending balance at Sep. 30, 2022		$ 18,482
Beginning balance (in shares) at Dec. 31, 2021			48,807,748
Beginning balance at Dec. 31, 2021	430,475		$ 49	(47,281)	648,389	(181,724)	11,042
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net (loss) income including noncontrolling interests in subsidiaries	(92,360)					(106,679)	14,319
Distributions to noncontrolling interests in subsidiaries	(586)						(586)
Accretion of Series A Redeemable Convertible Preferred Stock to redemption value	(3,729)				(3,729)
Dividend on Series A Redeemable Convertible Preferred Stock	(2,099)				(2,099)
Issuance of common stock for vesting of restricted stock units (in shares)			635,501
Issuance of common stock for unvested restricted stock awards, net of forfeitures (in shares)			242,667
Shares withheld related to net share settlement of share-based awards (in shares)			(350,406)
Shares withheld related to net share settlement of share-based awards	(1,520)				(1,520)
Compensation expense for share-based awards	3,288				3,288
Repurchase of common stock (in shares)			(10,795,234)
Repurchase of common stock	(50,988)		$ (11)	(50,977)
Ending balance (in shares) at Sep. 30, 2022			38,540,276
Ending balance at Sep. 30, 2022	282,481		$ 38	(98,258)	644,329	(288,403)	24,775
Beginning balance (in shares) at Jun. 30, 2022		350,000
Beginning balance at Jun. 30, 2022		$ 17,145
Increase (Decrease) in Temporary Equity [Roll Forward]
Accretion of Series A Redeemable Convertible Preferred Stock to redemption value		$ 1,337
Ending balance (in shares) at Sep. 30, 2022		350,000
Ending balance at Sep. 30, 2022		$ 18,482
Beginning balance (in shares) at Jun. 30, 2022			40,622,465
Beginning balance at Jun. 30, 2022	268,174		$ 41	(86,781)	646,352	(316,493)	25,055
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net (loss) income including noncontrolling interests in subsidiaries	28,396					28,090	306
Accretion of Series A Redeemable Convertible Preferred Stock to redemption value	(1,337)				(1,337)
Dividend on Series A Redeemable Convertible Preferred Stock	(700)				(700)
Issuance of common stock for vesting of restricted stock units (in shares)			460,000
Shares withheld related to net share settlement of share-based awards (in shares)			(235,489)
Shares withheld related to net share settlement of share-based awards	(1,017)				(1,017)
Compensation expense for share-based awards	1,031				1,031
Repurchase of common stock (in shares)			(2,306,700)
Repurchase of common stock	(11,480)		$ (3)	(11,477)
Ending balance (in shares) at Sep. 30, 2022			38,540,276
Ending balance at Sep. 30, 2022	$ 282,481		$ 38	$ (98,258)	$ 644,329	$ (288,403)	$ 24,775