Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands	Common Stock [Member]	Additional Paid-in Capital [Member]	Accumulated Deficit [Member] Cumulative Effect, Period of Adoption, Adjustment [Member]	Accumulated Deficit [Member]	Accumulated Other Comprehensive Income (Loss) [Member] Cumulative Effect, Period of Adoption, Adjustment [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Cumulative Effect, Period of Adoption, Adjustment [Member]	Total
Balance (ASU 2017-12 [Member]) at Mar. 31, 2018			$ (490)		$ 490
Balance at Mar. 31, 2018	$ 75	$ 1,139,300		$ 34,661		$ 2,536		$ 1,176,572
Balance, shares at Mar. 31, 2018	75,749,118
Equity compensation expense		20,135						20,135
Repurchase of the Company's common stock, net of taxes		(5,926)						(5,926)
Repurchase of the Company's common stock, net of taxes, shares	(342,418)
Issuance of the Company's common stock upon exercise of equity awards, shares	67,953
Net income (loss)				(52,012)				(52,012)
Foreign currency translation adjustment						(2,833)		(2,833)
Change in fair value of interest rate caps, net of taxes						(3,449)		(3,449)
Balance (ASC 606 [Member]) at Mar. 31, 2019			35,796				$ 35,796
Balance (ASU 2018-02 [Member]) at Mar. 31, 2019			(422)		$ 422
Balance at Mar. 31, 2019	$ 75	1,153,509		(17,841)		(3,256)		1,132,487
Balance, shares at Mar. 31, 2019	75,474,654
Equity compensation expense		30,372						30,372
Issuance of the Company's common stock upon initial public offering	$ 49	608,630						608,679
Issuance of the Company's common stock upon initial public offering, shares	49,285,713
Effect of initial public offering issuance costs on Joint Venture equity		(4,160)						(4,160)
Issuance of tangible equity units		232,929						232,929
Unrealized gain (loss) on available for sale debt securities of the Joint Venture						1,045		1,045
Realized gain (loss) on available for sale debt securities of the Joint Venture						(1,045)		(1,045)
Issuance of the Company's common stock upon exercise of equity awards	$ 1	6,023						6,024
Issuance of the Company's common stock upon exercise of equity awards, shares	708,962
Net income (loss)				(947,597)				(947,597)
Foreign currency translation adjustment						(5,519)		(5,519)
Change in fair value of interest rate caps, net of taxes						981		981
Issuance of the Company's common stock upon Merger	$ 176	2,194,484						2,194,660
Issuance of the Company's common stock upon Merger, shares	175,995,192
Conversion of tangible equity units	$ 2	(2)
Conversion of tangible equity units, shares	1,963,621
Other		795						795
Balance (ASU 2016-13 [Member]) at Mar. 31, 2020			$ (417)				$ (417)
Balance at Mar. 31, 2020	$ 303	4,222,580		(930,064)		(7,372)		3,285,447
Balance, shares at Mar. 31, 2020	303,428,142
Equity compensation expense		44,200						44,200
Issuance of common stock under equity compensation plans	$ 3	21,290						21,293
Issuance of common stock under equity compensation plans, shares	2,698,032
Employee tax withholding on vesting of equity compensation awards		(4,108)						(4,108)
Employee tax withholding on vesting of equity compensation awards, shares	(303,486)
Net income (loss)				(112,210)				(112,210)
Foreign currency translation adjustment						21,214		21,214
Change in fair value of interest rate caps, net of taxes						(2,621)		(2,621)
Conversion of tangible equity units	$ 1	(1)
Conversion of tangible equity units, shares	973,388
Other		(570)						(570)
Balance at Mar. 31, 2021	$ 307	$ 4,283,391		$ (1,042,691)		$ 11,221		$ 3,252,228
Balance, shares at Mar. 31, 2021	306,796,076