Condensed Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Sep. 30, 2020	Mar. 31, 2020	[1]
Statement Of Financial Position [Abstract]
Allowance for credit losses	$ 7,890	$ 4,293
Common stock, par value	$ 0.001	$ 0.001
Common stock, shares authorized	100,000,000	100,000,000
Common stock, shares issued	52,460,920	52,460,920
Common stock, shares outstanding	52,078,690	51,858,089
Treasury stock, shares	382,230	602,831

[1] As adjusted; refer to Note 1.