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Intangible Assets, Net - Additional Information (Detail) - USD ($)
3 Months Ended
Apr. 30, 2022
Apr. 30, 2021
Jan. 31, 2022
Finite Lived Intangible Assets [Line Items]      
Liabilities associated with software license at net present value, current $ 4,947,000   $ 6,001,000
Liabilities associated with software license at net present value, non-current 638,000   $ 1,674,000
Amortization expense associate with acquisition-related intangible assets 1,200,000 $ 0  
Impairment of intangible assets 0 0  
Internal-use software licenses [Member]      
Finite Lived Intangible Assets [Line Items]      
Software licenses purchased 4,900,000    
Fully amortized software licenses retired 400,000    
Amortization expense $ 1,600,000 $ 1,500,000