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		$ 1,771
Ending balance (in shares) at Jun. 30, 2021		350,000
Ending balance at Jun. 30, 2021		$ 12,695
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	(143,899)					(144,805)	906
Accretion of Series A Redeemable Convertible Preferred Stock to redemption value	(1,771)				(1,771)
Dividend on Series A Redeemable Convertible Preferred Stock	(523)				(523)
Stock options exercised (in shares)			30,000
Stock options exercised	94		$ 1		93
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)			278,315
Compensation expense for share-based awards	979				979
Ending balance (in shares) at Jun. 30, 2021			49,616,602
Ending balance at Jun. 30, 2021	143,196		$ 50	(43,270)	650,194	(475,726)	11,948
Beginning balance (in shares) at Mar. 31, 2021		350,000
Beginning balance at Mar. 31, 2021		$ 11,777
Increase (Decrease) in Temporary Equity [Roll Forward]
Accretion of Series A Redeemable Convertible Preferred Stock to redemption value		$ 918
Ending balance (in shares) at Jun. 30, 2021		350,000
Ending balance at Jun. 30, 2021		$ 12,695
Beginning balance (in shares) at Mar. 31, 2021			49,279,453
Beginning balance at Mar. 31, 2021	124,088		$ 49	(43,270)	650,753	(495,386)	11,942
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net (loss) income including noncontrolling interests in subsidiaries	19,666					19,660	6
Accretion of Series A Redeemable Convertible Preferred Stock to redemption value	(918)				(918)
Dividend on Series A Redeemable Convertible Preferred Stock	(263)				(263)
Stock options exercised (in shares)			30,000
Stock options exercised	94		$ 1		93
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)			278,315
Compensation expense for share-based awards	529				529
Ending balance (in shares) at Jun. 30, 2021			49,616,602
Ending balance at Jun. 30, 2021	143,196		$ 50	(43,270)	650,194	(475,726)	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		$ 2,392
Ending balance (in shares) at Jun. 30, 2022		350,000
Ending balance at Jun. 30, 2022		$ 17,145
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	(120,756)					(134,769)	14,013
Accretion of Series A Redeemable Convertible Preferred Stock to redemption value	(2,392)				(2,392)
Dividend on Series A Redeemable Convertible Preferred Stock	(1,399)				(1,399)
Issuance of common stock for vesting of restricted stock units (in shares)			175,501
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)			(114,917)
Shares withheld related to net share settlement of share-based awards	(503)				(503)
Compensation expense for share-based awards	2,257				2,257
Repurchase of common stock (in shares)			(8,488,534)
Repurchase of common stock	(39,508)		$ (8)	(39,500)
Ending balance (in shares) at Jun. 30, 2022			40,622,465
Ending balance at Jun. 30, 2022	268,174		$ 41	(86,781)	646,352	(316,493)	25,055
Beginning balance (in shares) at Mar. 31, 2022		350,000
Beginning balance at Mar. 31, 2022		$ 15,904
Increase (Decrease) in Temporary Equity [Roll Forward]
Accretion of Series A Redeemable Convertible Preferred Stock to redemption value		$ 1,241
Ending balance (in shares) at Jun. 30, 2022		350,000
Ending balance at Jun. 30, 2022		$ 17,145
Beginning balance (in shares) at Mar. 31, 2022			46,754,930
Beginning balance at Mar. 31, 2022	345,472		$ 47	(58,267)	647,640	(254,990)	11,042
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net (loss) income including noncontrolling interests in subsidiaries	(47,490)					(61,503)	14,013
Accretion of Series A Redeemable Convertible Preferred Stock to redemption value	(1,241)				(1,241)
Dividend on Series A Redeemable Convertible Preferred Stock	(699)				(699)
Issuance of common stock for vesting of restricted stock units (in shares)			160,501
Issuance of common stock for unvested restricted stock awards, net of forfeitures (in shares)			(50,000)
Shares withheld related to net share settlement of share-based awards (in shares)			(96,147)
Shares withheld related to net share settlement of share-based awards	(431)				(431)
Compensation expense for share-based awards	1,083				1,083
Repurchase of common stock (in shares)			(6,146,819)
Repurchase of common stock	(28,520)		$ (6)	(28,514)
Ending balance (in shares) at Jun. 30, 2022			40,622,465
Ending balance at Jun. 30, 2022	$ 268,174		$ 41	$ (86,781)	$ 646,352	$ (316,493)	$ 25,055