Income Taxes - Components of Provision for Income Taxes (Detail) - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2020	Jan. 31, 2019	Jan. 31, 2018
Current provision:
Federal	$ 11,143	$ 5,466	$ 5,315
State	4,695	4,089	209
Foreign	3,404	7,438	8,022
Total	19,242	16,993	13,546
Deferred provision:
Federal	(1,063)	(1,910)	1,681
State	(517)	(619)	330
Foreign	(5,083)	(5,653)	(963)
Total	(6,663)	(8,182)	1,048
Provision for income taxes	$ 12,579	$ 8,811	$ 14,594