Income Taxes - Schedule of (Loss) Income before Income Tax Expense (Benefit) (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended	12 Months Ended
	Mar. 19, 2019	Dec. 31, 2019	Dec. 31, 2020	Dec. 31, 2018
Income Tax Disclosure [Abstract]
U.S.	$ 115	$ (19,901)	$ (12,294)	$ 2,871
Foreign	(24,787)	(12,154)	(274,869)	11,960
(Loss) income before income tax expense (benefit)	$ (24,672)	$ (32,055)	$ (287,163)	$ 14,831