Income Taxes - Additional Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Mar. 31, 2022
Operating Loss Carryforwards [Line Items]
Deferred foreign income tax benefit		$ 2,800
Deferred income tax benefit			$ 3,500
Operating loss carryforwards	$ 779,700
Increase in valuation allowance	42,800
Unrecognized tax benefits	0	0	0
Unrecognized tax benefits, penalties and interest Expense	0	0	0
Increase in unrecognized tax benefits reasonably possible within next 12 months	0	0	0
Decrease in unrecognized tax benefits is reasonably possible within next 12 months	0	$ 0	$ 0
Capital Loss Carryforward
Operating Loss Carryforwards [Line Items]
Tax credit carryforwards	21,800
Federal
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards	1,100,000
State
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards	$ 693,700