Income Taxes - Summary of Tax Valuation Allowance (Detail) - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2023	Jan. 31, 2022	Jan. 31, 2021
Valuation and Qualifying Accounts Disclosure [Line Items]
Balance at Beginning of Period	$ 24,083
Balance at End of Period	28,596	$ 24,083
Valuation Allowance of Deferred Tax Assets [Member]
Valuation and Qualifying Accounts Disclosure [Line Items]
Balance at Beginning of Period	24,083	17,962	$ 14,670
Additional Charged to Expenses	4,513	4,874	3,292
Additions Charged to Other Account	0	1,247	0
Deductions Charged to Expenses or Other Accounts	0	0	0
Balance at End of Period	$ 28,596	$ 24,083	$ 17,962