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Goodwill and Other Intangible Assets - Future Estimated Amortization Expense Related to Amortizable Intangible Assets (Detail) - USD ($)
$ in Thousands
Oct. 31, 2020
Jan. 31, 2020
For fiscal years ending January 31    
2021 $ 423  
2022 1,232  
2023 1,087  
2024 1,003  
2025 730  
Thereafter 2,356  
Net Carrying Amount $ 6,831 $ 8,136