Income Taxes - Summary of Tax Valuation Allowance (Detail) - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2025	Jan. 31, 2024	Jan. 31, 2023
Valuation and Qualifying Accounts Disclosure [Line Items]
Balance at Beginning of Period	$ 60,036
Balance at End of Period	68,047	$ 60,036
Valuation Allowance of Deferred Tax Assets [Member]
Valuation and Qualifying Accounts Disclosure [Line Items]
Balance at Beginning of Period	60,036	28,596	$ 24,083
Additions Charged to Expenses	8,011	31,440	4,513
Additions Charged to Other Account		0	0
Deductions Charged to Expenses or Other Accounts		0	0
Balance at End of Period	$ 68,047	$ 60,036	$ 28,596