Income Taxes - Schedule of Reconciliation of Beginning and Ending Amount of Unrecognized Tax Benefits (Detail) - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2022	Jan. 31, 2021	Jan. 31, 2020
Income Tax Disclosure [Abstract]
Beginning balance	$ 29,527	$ 42,695	$ 37,531
Additions based on tax positions related to the current year	1,412	3,360	4,964
Additions for tax positions of prior years	55	16	252
Reductions for tax positions in prior years	0	(10,212)	0
Settlements for prior periods	0	(6,087)	0
Lapse of applicable statute of limitations	(110)	(245)	(52)
Ending balance	$ 30,884	$ 29,527	$ 42,695