Consolidated Balance Sheet Detail - Summary of Accrued Expenses and Other Current Liabilities (Detail) - USD ($) $ in Thousands	Mar. 31, 2021	Mar. 31, 2020
Payables And Accruals [Abstract]
Accrued legal and professional fees	$ 885	$ 829
Accrued interest	8,009	8,056
Goods received not invoiced	1,722	1,724
Accrued capital expenditure	1,201	1,287
Other accrued expenses	2,072	3,594
Total accrued expenses and other current liabilities	$ 13,889	$ 15,490