Condensed Consolidated Statements of Comprehensive Income (Loss) (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Statement Of Income And Comprehensive Income [Abstract]
Net income (loss)	$ 5,867	$ (2,918)	$ 5,350	$ (4,493)
Other comprehensive income (loss), net of tax:
Unrealized foreign currency translation adjustments	(124)	156	(149)	61
Total comprehensive income (loss)	$ 5,743	$ (2,762)	$ 5,201	$ (4,432)