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Goodwill and Intangible Assets - Estimated Future Amortization Expense of Intangible Assets (Details)
$ in Thousands
Apr. 30, 2020
USD ($)
Goodwill and Intangible Assets Disclosure [Abstract]  
2020 (excluding the six months ended April 30, 2020) $ 547
2021 1,027
2022 976
2023 976
2024 976
Thereafter 3,760
Net Carrying Amount $ 8,262