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Income Taxes - Reconciliation (Details) $ in Thousands | 12 Months Ended
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Oct. 31, 2020 USD ($)
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward] |
Balance at the beginning of the period | $ 2,673
Increase as a result of tax positions taken during a prior period | 166
Decrease as a result of tax positions taken during the current period | (183)
Increase as a result of tax positions taken during the current period | 291
Reductions as a result of statute of limitations lapses | (87)
Balance at the end of the period | $ 2,860

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