ESOP, period for which sale of shares is restricted

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- Definition

Employee stock purchase plan suspended date.

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Employee Stock Purchase Plan Weighted Average Fair Value of Shares Issued

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Employer Matching Contribution Percentage

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- Definition

Restricted stock awards, general vesting period.

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- Definition

Restricted Stock Awards Outstanding, Intrinsic Value

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- Definition

Restricted Stock Awards, Weighted Average Remaining Life

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- Definition

Stock Issuance Terms

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- Definition

Aggregate number of common shares reserved for future issuance.

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- Definition

Amount of cost for defined contribution plan.

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- Definition

Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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- Definition

Noninterest expense related to directors' fees which are fees paid by an Entity to its directors. Directors' fees may be paid in addition to salary and other benefits.

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- Definition

The noncash expense that represents the cost of restricted stock or unit distributed to employees as compensation.

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- Definition

Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

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- Definition

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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- Definition

Number of equity instruments other than options outstanding, including both vested and non-vested instruments.

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- Definition

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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- Definition

The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

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- Definition

Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.

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- Definition

Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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- Definition

Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable.

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- Definition

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.

+ References

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- Definition

Number of share options (or share units) exercised during the current period.

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Benefit Plans - Additional Information (Details) - USD ($)		7 Months Ended	12 Months Ended
	May 01, 2017	Oct. 31, 2018	Oct. 31, 2018	Oct. 31, 2017	Oct. 31, 2016	Apr. 05, 2018	Apr. 30, 2017
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Common Stock, Capital Shares Reserved For Future Issuance							4,500,000
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period			4 years
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period					10 years
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value			$ 1.78	$ 1.50	$ 6.44
Options exercised			0	0	0
Intrinsic value, options outstanding		$ 0	$ 0
Intrinsic value, options exercisable		$ 0	$ 0
Share based compensation arrangement by share based payment award, non option equity instruments, outstanding, number		4,370,575	4,370,575	3,008,686
Restricted Stock Awards, Weighted Average Remaining Life			1 year 4 months 24 days
Restricted Stock Awards Outstanding, Intrinsic Value		$ 3,700,000	$ 3,700,000
Stock Issued During Period, Shares, Issued for Services			158,708	86,001	24,379
Noninterest Expense Directors Fees			$ 300,000	$ 100,000	$ 200,000
ESOP, period for which sale of shares is restricted			6 months
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value				$ 1.76	$ 6.86
Employer Matching Contribution Percentage			2.00%
Defined Contribution Plan, Cost Recognized			$ 500,000	$ 500,000	$ 600,000
Employee Stock Purchase Plan [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Employee stock purchase plan, suspended date	May 01, 2017
Restricted Stock Awards and Units [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Restricted Stock or Unit Expense			$ 6,200,000
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Period for Recognition			2 years
Maximum [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Restricted stock awards, general vesting period			4 years
Maximum [Member] \| Employee Stock Purchase Plan [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Common Stock, Capital Shares Reserved For Future Issuance						500,000
Minimum [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Restricted stock awards, general vesting period			3 years
2018 Omnibus Incentive Plan [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Common Stock, Capital Shares Reserved For Future Issuance						4,000,000
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period		4 years
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period		10 years
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant		1,400,000	1,400,000
Employee Stock Purchase Plan [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Stock Issuance Terms		85.00%	85.00%