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 (ASC 606 [Member]) at Mar. 31, 2019			$ 35,797				$ 35,797
Balance (ASU 2018-02 [Member]) at Mar. 31, 2019			(422)		$ 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		5,862						5,862
Net income (loss)				(37,517)				(37,517)
Foreign currency translation adjustment						226		226
Change in fair value of interest rate caps/swap, net of taxes						(5,431)		(5,431)
Balance (ASU 2016-13 [Member]) at Jun. 30, 2019
Balance at Jun. 30, 2019	$ 75	1,159,371		(19,983)		(8,039)		1,131,424
Balance, shares at Jun. 30, 2019	75,474,654
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		8,780						8,780
Issuance of common stock under equity compensation plans	$ 1	2,143						2,144
Issuance of common stock under equity compensation plans, shares	341,230
Net income (loss)				(58,694)				(58,694)
Foreign currency translation adjustment						6,353		6,353
Change in fair value of interest rate caps/swap, net of taxes						(4,184)		(4,184)
Other		(75)						(75)
Balance (ASU 2016-13 [Member]) at Jun. 30, 2020							$ 417
Balance at Jun. 30, 2020	$ 304	$ 4,233,428		$ (989,175)		$ (5,203)		$ 3,239,354
Balance, shares at Jun. 30, 2020	303,769,372