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Goodwill and Intangible Assets - Estimated Future Amortization Expense of Intangible Assets (Details)
$ in Thousands
Apr. 30, 2021
USD ($)
Goodwill and Intangible Assets Disclosure [Abstract]  
2021 (excluding the six months ended April 30, 2021) $ 514
2022 989
2023 989
2024 981
2025 976
Thereafter 2,763
Net Carrying Amount $ 7,212