Leases - Supplemental Balance Sheet Information Related to Leases (Detail) $ in Thousands	Jul. 31, 2019 USD ($)
Operating Leases
Lease right-of-use-assets	$ 18,920	[1]
Lease liabilities	5,773
Lease liabilities, noncurrent	14,690
Total operating lease liabilities	20,463
Finance Leases
Property and equipment, at cost	1,632
Accumulated depreciation	(612)
Property and equipment, net	1,020
Lease liabilities	956
Lease liabilities, noncurrent	829
Total finance lease liabilities	$ 1,785
Weighted Average Remaining Lease Term
Operating leases	4 years 3 months 18 days
Finance leases	1 year 9 months 18 days
Weighted Average Remaining Discount Rate
Operating leases	4.30%
Finance leases	4.30%

[1] We adopted ASU 2016-02, “Leases” (Topic 842) using the modified retrospective method as of February 1, 2019 and elected the transition option that allows us not to restate the comparative periods in our financial statements in the year of adoption.