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Leases - Schedule of Supplemental Cash Flow Information Related to Leases (Detail)
$ in Thousands
12 Months Ended
Jan. 31, 2021
USD ($)
Leases [Abstract]  
Cash paid for operating leases included in operating cash flows $ 2,416
Supplemental non-cash information related to lease liabilities arising from obtaining right-of-use assets 348
Leased assets obtained in exchange for operating lease liabilities arising from lease modifications $ 2,440