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Leases - Composition of Rental Operations Revenue (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Apr. 30, 2022
Apr. 30, 2021
Apr. 30, 2022
Apr. 30, 2021
Leases [Abstract]        
Operating lease revenue $ 1,295 $ 1,070 $ 2,413 $ 2,129
Variable lease revenue 86 73 159 152
Total lease revenue $ 1,381 $ 1,143 $ 2,572 $ 2,281