Annual report pursuant to Section 13 and 15(d)

Income Taxes - Reconciliation of Total Amounts of Gross Unrecognized Tax Benefits (Detail)

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Income Taxes - Reconciliation of Total Amounts of Gross Unrecognized Tax Benefits (Detail) - USD ($)
$ in Thousands
12 Months Ended
Jan. 31, 2021
Jan. 31, 2020
Income Tax Disclosure [Abstract]    
Balance of gross unrecognized tax benefits, beginning of period $ 4,306 $ 4,318
Increase due to new positions in the current year 471  
Decrease due to expiration of statute of limitation (155)  
Effect of currency translation 10 (12)
Balance of gross unrecognized tax benefits, end of period $ 4,632 $ 4,306