Quarterly report pursuant to Section 13 or 15(d)

Operating Leases - Schedule of Supplemental Cash Flow Information Related to Operating Leases (Detail)

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Operating Leases - Schedule of Supplemental Cash Flow Information Related to Operating Leases (Detail)
$ in Thousands
9 Months Ended
Oct. 31, 2019
USD ($)
Cash paid for amounts included in the measurement of lease liabilities  
Operating cash flows from operating leases $ 611
Right-of-use assets obtained in exchange for lease obligations  
Operating leases $ 2,952