Income Taxes - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Income Tax Disclosure [Abstract]
Expense (benefit) from income taxes	$ (687)	$ 2,390	$ (6,435)	$ (4,820)
Effective income tax rate	(23.00%)	26.00%	56.00%	(53.00%)
Increase (decrease) in gross unrecognized tax benefits	$ 3,700		$ 6,900