Income Taxes (Additional Information) (Details) - USD ($) $ in Thousands		12 Months Ended
	Dec. 31, 2017	Mar. 31, 2022	Mar. 31, 2021	Mar. 31, 2020
Income Tax Examination [Line Items]
Deferred income tax benefit		$ 3,500
Provision for income taxes		(3,480)	$ 0	$ 0
Operating loss carryforwards		656,100
Taxable Income Loss Limit Percentage	80.00%
Unrecognized Tax Benefits, interest and penalties		0	0
Change in the valuation allowance		40,200
Federal [Member]
Income Tax Examination [Line Items]
Provision for income taxes		0
Operating loss carryforwards		$ 1,000,000	733,300
Operating loss carryforwards expiration year		2026
State [Member]
Income Tax Examination [Line Items]
Provision for income taxes		$ 0
Operating loss carryforwards		$ 548,500	$ 410,500
Operating loss carryforwards expiration year			2026