Income Taxes - Schedule of Reconciliation of Beginning and Ending Amount of Unrecognized Tax Benefits (Detail) - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2025	Jan. 31, 2024	Jan. 31, 2023
Income Tax Disclosure [Abstract]
Beginning balance	$ 22,628	$ 21,656	$ 30,884
Additions based on tax positions related to the current year	2,123	997	1,033
Additions for tax positions of prior years	0	168	195
Reductions for tax positions in prior years	0	(38)	(45)
Settlements for prior periods	0	0	0
Lapse of applicable statute of limitations	(4,255)	(155)	(10,411)
Ending balance	$ 20,496	$ 22,628	$ 21,656