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Property and Equipment, Net - Narrative (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Oct. 31, 2021
Oct. 31, 2020
Oct. 31, 2021
Oct. 31, 2020
Property, Plant and Equipment [Abstract]        
Depreciation $ 3.6 $ 2.0 $ 9.9 $ 4.8