Leases - Schedule of Maturities of Company's Operating and Finance Leases (Details) $ in Thousands	Jan. 31, 2020 USD ($)
Leases [Abstract]
For the remainder of the fiscal year ending July 31, 2020	$ 5,176
For fiscal year ending July 31, 2021	8,113
For fiscal year ending July 31, 2022	6,510
For fiscal year ending July 31, 2023	4,583
For fiscal year ending July 31, 2024	3,877
For the fiscal year ending July 31, 2025 and thereafter	20,976
Total future lease payments	49,235
Less: amount representing interest	(17,219)
Operating lease liability	32,016
For the remainder of the fiscal year ending July 31, 2020	487
For fiscal year ending July 31, 2021	991
For fiscal year ending July 31, 2022	1,013
For fiscal year ending July 31, 2023	1,036
For fiscal year ending July 31, 2024	1,059
For the fiscal year ending July 31, 2025 and thereafter	3,093
Total future lease payments	7,679
Less: amount representing interest	(2,203)
Finance lease liabilities	$ 5,476