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Intangible Assets, Net - Summary of Expected Annual Amortization Expense Related to Software Licenses (Detail) - USD ($)
$ in Thousands
Jan. 31, 2021
Jan. 31, 2020
Finite Lived Intangible Assets [Line Items]    
Net Carrying Amount $ 18,703 $ 17,826
Internal-use software license [Member]    
Finite Lived Intangible Assets [Line Items]    
2022 5,926  
2023 6,269  
2024 2,408  
2025 0  
2026 0  
Thereafter 0  
Net Carrying Amount $ 14,603 $ 13,726