Other Current Liabilities (Detail) - USD ($) $ in Thousands	Mar. 31, 2019	Mar. 31, 2018
Other Liabilities Disclosure [Abstract]
Accrued liabilities	$ 5,047	$ 4,139
Accrued tax liabilities	3,063	1,274
Deferred rent	1,140	782
Other	5,322	2,424
Total other current liabilities	$ 14,572	$ 8,619