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Summary of Significant Accounting Policies - Intangible Assets (Details)
12 Months Ended
Jan. 31, 2022
Minimum  
Acquired Finite-Lived Intangible Assets [Line Items]  
Acquired intangible assets, useful life 6 years
Maximum  
Acquired Finite-Lived Intangible Assets [Line Items]  
Acquired intangible assets, useful life 10 years