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Leases Lessor (Details) - USD ($)
$ in Thousands
12 Months Ended
Jul. 31, 2021
Jul. 31, 2020
Lessor, Lease, Description [Line Items]    
2022 $ 6,537  
2023 5,423  
2024 5,499  
2025 5,468  
2026 5,172  
Thereafter 14,556  
Total future lease payments receivable 42,655  
Property Subject to or Available for Operating Lease, Gross 55,500 $ 64,800
Property Subject to or Available for Operating Lease, Accumulated Depreciation 1,900 900
Operating Lease, Lease Income 14,800 6,200
Property Subject to or Available for Operating Lease, Gross 55,500 64,800
Property Subject to or Available for Operating Lease, Accumulated Depreciation 1,900 900
Operating Lease, Lease Income $ 14,800 $ 6,200