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ESOP, period for which sale of shares is restricted

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The percent of increase in stock price.

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The percent of target award earned.

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Percentage of performance target for issuing performance awards.

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Restricted stock awards general vesting period.

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Restricted Stock or Unit Expense weighted average period.

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The percent of additional cap of awards under share based payment arrangement.

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The percent of award calibration criteria established for performance assessment.

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The percent of cap of awards under share based payment arrangement.

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The number of shares to be issued on exercise of stock options under share based payment arrangement.

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Number of shares that can be purchased by individual participant under share-based payment arrangement.

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The percent of performance payout for awards under share based payment arrangement.

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Threshold period of specified consecutive trading days of common stock for calculating closing price.

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The variance from percent of award calibration criteria established for performance assessment.

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The number of awards under share based payment arrangement.

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The price of shares that may be purchased under the stock purchase plan, specified as a percentage of offering price.

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Amount of cost for defined contribution plan.

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Amount of noncash expense for award of restricted stock or unit under share-based payment arrangement.

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The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Number of additional shares authorized for issuance under share-based payment arrangement.

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No definition available.

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Number of shares authorized for issuance under share-based payment arrangement.

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The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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Number of shares issued under share-based payment arrangement.

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Price of a single share of a number of saleable stocks of a company.

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Percentage of vesting of award under share-based payment arrangement.

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Number of shares issued in lieu of cash for services contributed to the entity. Number of shares includes, but is not limited to, shares issued for services contributed by vendors and founders.

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Benefit Plans - Additional Information (Details)						12 Months Ended
Benefit Plans - Additional Information (Details)	Nov. 17, 2023	May 22, 2023 shares	Dec. 05, 2022 USD ($) item shares	Dec. 10, 2021 item USD ($)	Nov. 24, 2020 item USD ($) $ / shares	Oct. 31, 2023 USD ($) shares	Oct. 31, 2022 USD ($) shares	Oct. 31, 2021 USD ($) shares
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Granted		0
Common stock issued, non-employee compensation (in shares)						103,631	76,848	31,889
Noninterest Expense Directors Fees \| $						$ 200,000	$ 200,000	$ 300,000
Employer Matching Contribution Percentage						2.00%
Defined Contribution Plan, Cost Recognized \| $						$ 1,100,000	$ 500,000	$ 400,000
Restricted Stock Units
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Restricted Stock or Unit Expense \| $						$ 17,000,000.0
Restricted Stock or Unit Expense weighted average period						2 years
Performance Shares
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Restricted Stock Awards and Units, Granted, Shares						1,124,953
Time Based Awards
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Restricted Stock Awards and Units, Granted, Shares						4,538,236
Third Amended and Restated 2018 Omnibus Incentive Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of shares authorized		18,333,333
Common stock, shares available for issuance						9,069,450
Amended and Restated 2018 Employee Stock Purchase Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Share price as percentage of offering price		85.00%
ESOP, period for which sale of shares is restricted		6 months
Long Term Incentive Plan Fiscal 2021
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of award components \| item					3
Common stock, shares reserved for issuance						210,190
Long Term Incentive Plan Fiscal 2021 \| Relative Total Shareholder Return Performance Shares
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Percent of Performance Payout	73.541%
Award Calibration Percentage					100.00%
Variance from Award Calibration Percentage					50.00%
Award Cap, Percent					200.00%
Award Additional Cap, Percent					100.00%
Threshold Consecutive Trading Days \| $					20
Long Term Incentive Plan Fiscal 2021 \| Absolute Total Shareholder Return Performance Shares
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Award Cap, Percent					200.00%
Threshold Consecutive Trading Days \| $					20
Share Price \| $ / shares					$ 2.27
Percent of increase in stock price								150.00%
Percent of target award earned								200.00%
Long Term Incentive Plan Fiscal 2021 \| Absolute Total Shareholder Return Performance Shares \| Stock Price Increase 25 Percent
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Percent of increase in stock price					25.00%
Percent of target award earned					50.00%
Long Term Incentive Plan Fiscal 2021 \| Absolute Total Shareholder Return Performance Shares \| Stock Price Increase 50 Percent
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Percent of increase in stock price					50.00%
Percent of target award earned					100.00%
Long Term Incentive Plan Fiscal 2021 \| Absolute Total Shareholder Return Performance Shares \| Stock Price Increase 100 Percent
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Percent of increase in stock price					100.00%
Percent of target award earned					200.00%
Long Term Incentive Plan Fiscal 2021 \| Time Based Awards
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Percentage of warrants vesting								33.00%
Long Term Incentive Plan Fiscal 2022
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of award components \| item				2
Common stock, shares reserved for issuance						175,548
Long Term Incentive Plan Fiscal 2022 \| Relative Total Shareholder Return Performance Shares
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Award Calibration Percentage				100.00%
Variance from Award Calibration Percentage				50.00%
Award Cap, Percent				200.00%
Award Additional Cap, Percent				100.00%
Threshold Consecutive Trading Days \| $				20
Long Term Incentive Plan Fiscal 2022 \| Time Based Awards
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Percentage of warrants vesting				33.00%
Long Term Incentive Plan Fiscal 2023
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of award components \| item			2
Common stock, shares reserved for issuance						1,095,657
Restricted Stock Awards and Units, Granted, Shares			2,249,890
Long Term Incentive Plan Fiscal 2023 \| Relative Total Shareholder Return Performance Shares
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Award Calibration Percentage			100.00%
Variance from Award Calibration Percentage			50.00%
Award Cap, Percent			200.00%
Award Additional Cap, Percent			100.00%
Threshold Consecutive Trading Days \| $			60
Long Term Incentive Plan Fiscal 2023 \| Performance Shares
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Restricted Stock Awards and Units, Granted, Shares			1,124,953
Percentage of Target Performance						100.00%
Long Term Incentive Plan Fiscal 2023 \| Time Based Awards
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Percentage of warrants vesting			33.00%
Restricted Stock Awards and Units, Granted, Shares			1,124,937
Long Term Incentive Plan Fiscal 2023 \| Time Based Awards \| Salaried Employees
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Percentage of warrants vesting						33.00%
Restricted Stock Awards and Units, Granted, Shares						3,413,299
Long Term Incentive Plan Fiscal 2023 \| Performance and Time Based Units
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Restricted Stock or Unit Expense weighted average period			3 years
Maximum
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Restricted stock awards, general vesting period						4 years
Maximum \| Third Amended and Restated 2018 Omnibus Incentive Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Shares to be issued on exercise of stock options		1,833,333
Additional number of shares authorized		6,000,000
Number of shares authorized		18,333,333
Maximum \| Third Amended and Restated 2018 Omnibus Incentive Plan \| Performance Shares
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Common stock, shares reserved for issuance						1,481,395
Maximum \| Amended and Restated 2018 Employee Stock Purchase Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of shares that can be purchased by individual participant		1,000
Additional number of shares authorized		500,000
Number of shares authorized		541,667
Minimum
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Restricted stock awards, general vesting period						3 years