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Rental Income (Schedule of Minimum Rental Income) (Details)
$ in Thousands
Jan. 31, 2020
USD ($)
Operating Leases, Future Minimum Payments Receivable [Abstract]  
2020 $ 20,010 [1]
2021 18,981
2022 15,705
2023 13,074
2024 10,928
Thereafter 46,518
Total $ 125,216
[1] Amount represents full fiscal year