Benefit Plans - Additional Information (Details)
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12 Months Ended |
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Aug. 24, 2020
shares
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May 08, 2020
USD ($)
shares
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Oct. 31, 2020
USD ($)
$ / shares
shares
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Oct. 31, 2019
USD ($)
shares
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Oct. 31, 2018
USD ($)
$ / shares
shares
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Aug. 26, 2022
shares
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May 11, 2020
shares
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Aug. 26, 2019
shares
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May 08, 2019
shares
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| Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |
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| Common stock, shares authorized |
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337,500,000
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225,000,000
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112,500,000
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225,000,000
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| Share-based Compensation Arrangement by Share-based Payment Award, Description |
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Performance awards were issued assuming participants achieve 100% target performance. Should participants achieve the 200% performance level, they will receive up to 668,030 additional RSUs.
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| Share-based Compensation Arrangement by Share-based Payment Award, Expiration Date |
Oct. 31, 2022
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| Share Based Compensation Arrangement by Share-Based Payment Award, Rate of Vesting |
0.333
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| Options granted |
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0
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0
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| Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value | $ / shares |
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$ 21.36
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| Options exercised |
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0
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0
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0
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| Intrinsic value, options outstanding | $ |
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$ 0
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| Intrinsic value, options exercisable | $ |
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$ 0
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| Restricted Stock Awards and Units, Granted, Shares |
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1,978,108
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| Stock Issued During Period, Shares, Issued for Services |
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58,303
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29,454
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13,226
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| Noninterest Expense Directors Fees | $ |
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$ 100,000
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$ 100,000
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$ 300,000
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| ESOP, period for which sale of shares is restricted |
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6 months
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| Employer Matching Contribution Percentage |
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2.00%
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| Defined Contribution Plan, Cost Recognized | $ |
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$ 300,000
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$ 500,000
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$ 500,000
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| Restricted Stock Awards and Units [Member] |
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| Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |
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| Restricted Stock or Unit Expense | $ |
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$ 5,300,000
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| Restricted Stock or Unit Expense weighted average period |
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2 years
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| Restricted Stock Units [Member] |
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| Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |
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| Share-based Compensation Arrangement by Share-based Payment Award, Expiration Date |
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Aug. 26, 2022
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| Share-based compensation arrangement by share-based payment award, options, vested and expected to vest, outstanding, number |
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500,000
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| Restricted Stock Units [Member] | President and Chief Executive Officer [Member] |
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| Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |
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| Restricted Stock Awards and Units, Granted, Shares |
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1,000,000
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| Performance Shares [Member] |
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| Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |
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| Additional shares issued upon performance |
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668,030
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| Performance shares expensed period |
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3 years
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| TSR Performance Shares [Member] |
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| Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |
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| Additional shares issued upon performance |
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334,015
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| Performance awards valued per share | $ / shares |
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$ 4.62
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| Time Based Awards |
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| Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |
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| Additional shares issued upon performance |
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167,008
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| Absolute Performance Shares |
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| Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |
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| Additional shares issued upon performance |
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334,015
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| Performance awards valued per share | $ / shares |
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$ 5.17
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| Minimum [Member] |
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| Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |
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| Restricted stock awards, general vesting period |
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3 years
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| Maximum [Member] |
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| Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |
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| Restricted stock awards, general vesting period |
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4 years
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| Maximum [Member] | Employee Stock Purchase Plan [Member] |
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| Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |
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| Number of shares reserved for future issuance and sale |
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30,248
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| 2018 Omnibus Incentive Plan [Member] |
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| Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |
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| Common stock, shares authorized |
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4,000,000
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4,333,333
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| Number of shares reserved for future issuance and sale |
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1,000,000
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| Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant |
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2,013,563
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| Share-based Compensation Arrangement by Share-based Payment Award, Description |
The LTI Plan consists of three award components: (1) relative total shareholder return (“TSR”) performance shares, (2) absolute TSR performance shares, and (3) time-vesting restricted stock units
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| 2018 Omnibus Incentive Plan [Member] | Minimum [Member] |
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| Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |
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| Share Based Compensation Arrangement By Share Based Award Options, Grant In Period, Grant Date Increase In Fair Value | $ |
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$ 200,000
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| 2018 Omnibus Incentive Plan [Member] | Maximum [Member] |
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| Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |
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| Share Based Compensation Arrangement By Share Based Award Options, Grant In Period, Grant Date Increase In Fair Value | $ |
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$ 250,000
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| LTI Plan [Member] | Restricted Stock Units [Member] |
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| Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |
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| Restricted Stock Awards and Units, Granted, Shares |
835,038
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| Employee Stock Purchase Plan [Member] |
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| Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |
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| Stock Issuance Terms |
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85.00%
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