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Income Taxes - Summary of Tax Valuation Allowance (Detail) - USD ($)
$ in Thousands
 12 Months Ended
Jan. 31, 2024
Jan. 31, 2023
Jan. 31, 2022
Valuation and Qualifying Accounts Disclosure [Line Items]      
Balance at Beginning of Period $ 28,596    
Balance at End of Period 60,036 $ 28,596  
Valuation Allowance of Deferred Tax Assets [Member]      
Valuation and Qualifying Accounts Disclosure [Line Items]      
Balance at Beginning of Period 28,596 24,083 $ 17,962
Additions Charged to Expenses 31,440 4,513 4,874
Additions Charged to Other Account 0 0 1,247
Deductions Charged to Expenses or Other Accounts 0 0 0
Balance at End of Period $ 60,036 $ 28,596 $ 24,083