v3.22.2.2
Intangible Assets, Net - Additional Information (Detail) - USD ($)
3 Months Ended 6 Months Ended
Jul. 31, 2022
Jul. 31, 2021
Jul. 31, 2022
Jul. 31, 2021
Jan. 31, 2022
Finite Lived Intangible Assets [Line Items]          
Liabilities associated with software license at net present value, current $ 4,012,000   $ 4,012,000   $ 6,001,000
Liabilities associated with software license at net present value, non-current 638,000   638,000   $ 1,674,000
Amortization expense associate with acquisition-related intangible assets 1,200,000 $ 0 2,400,000 $ 0  
Impairment of intangible assets 0 0 0 0  
Internal-use software licenses [Member]          
Finite Lived Intangible Assets [Line Items]          
Software licenses purchased     8,900,000    
Fully amortized software licenses retired     400,000    
Amortization expense $ 1,600,000 $ 1,500,000 $ 3,200,000 $ 3,000,000.0