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Leases - Undiscounted Cash Flows (Details) $ in Thousands	Jul. 31, 2020 USD ($)
Operating Leases
Remainder of 2020	$ 2,032
2021	8,192
2022	8,007
2023	7,913
2024	7,571
Thereafter	43,226
Total lease payments	76,941
Less: imputed interest	10,643
Total lease liability	66,298
Finance Leases
Remainder of 2020	373
2021	1,478
2022	1,344
2023	1,234
2024	764
Thereafter	3,159
Total lease payments	8,352
Less: imputed interest	1,174
Total lease liability	$ 7,178

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