Consolidated Statements of Changes in Stockholders' Equity (Deficit) - USD ($) $ in Thousands	Common Stock [Member]	Additional Paid-in Capital [Member]	Treasury Stock [Member]	Accumulated Other Comprehensive Loss, Net [Member]	Accumulated Deficit [Member]	Total
Balances at Dec. 31, 2019	$ 16	$ 2,752,859	$ (4,290)	$ (71,927)	$ (2,627,085)	$ 49,573
Beginning balance, shares at Dec. 31, 2019	15,689,463
Net income (loss)					(79,464)	(79,464)
Foreign currency translation adjustment				(4,538)		(4,538)
Stock-based compensation expense, net of forfeitures		2,527				2,527
Transactions under stock plans, value		(208)				(208)
Transactions under stock plans, shares	108,965
Balances at Mar. 31, 2020	$ 16	2,755,178	(4,290)	(76,465)	(2,706,549)	(32,110)
Ending balance, shares at Mar. 31, 2020	15,798,428
Balances at Dec. 31, 2020	$ 16	2,756,889	(4,290)	(67,947)	(3,023,315)	(338,647)
Beginning balance, shares at Dec. 31, 2020	15,799,318
Net income (loss)					268,777	268,777
Foreign currency translation adjustment				$ 67,947		67,947
Extinguishment of unrecognized compensation expense		988				988
Stock-based compensation expense, net of forfeitures		935				935
Restricted stock units vested, shares	48,903
Shares withheld and retired, shares	(14,701)
Cancellation of Predecessor equity, value	$ (16)	(2,758,812)	$ 4,290		2,754,538
Cancellation of Predecessor equity, shares	(15,833,520)
Issuance of Successor Class A common stock, value	$ 200	902,486				902,686
Issuance of Successor Class A common stock, shares	19,995,581
Balances at Feb. 02, 2021	$ 200	902,486				902,686
Ending balance, shares at Feb. 02, 2021	19,995,581
Net income (loss)					(36,630)	(36,630)
Balances at Mar. 31, 2021	$ 200	$ 902,486			$ (36,630)	$ 866,056
Ending balance, shares at Mar. 31, 2021	19,995,581