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Benefit Plans 5 (Details) - USD ($) $ / shares in Units, $ in Thousands | 12 Months Ended
--- | ---
Oct. 31, 2016 | Oct. 31, 2015 | Oct. 31, 2014
Employee Stock Purchase Plan Disclosures [Line Items] |  |  |
Noninterest Expense Directors Fees | $ 200 | $ 100 | $ 100
Restricted Stock Awards, Weighted Average Remaining Life | 2 years 9 months |  |
Common stock issued to settle make-whole obligation, value |  |  | $ 12,883
Common Stock, Capital Shares Reserved for Future Issuance | 2,500,000 |  |
Weighted Average Expented Life Assumption for Employee Stock Purchase Plan | 6 months | 6 months | 6 months
Weighted Average Risk Free Interest Rate for Employee Stock Purchase Plan | 0.30% | 0.07% | 0.08%
Volatility for Employee Stock Purchase Plan | 37.00% | 72.00% | 75.00%
Weighted Average Dividend Yield for Employee Stock Purchase Plan | 0.00% | 0.00% | 0.00%
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value | $ 6.86 | $ 16.08 |
ESOP, period for which sale of shares is restricted | 6 months |  |
Issued at $9.02 per share [Member] |  |  |
Employee Stock Purchase Plan Disclosures [Line Items] |  |  |
Stock Issued During Period, Shares, Employee Stock Purchase Plans | (11,664) |  |
Issued at $5.07 per share [Member] |  |  |
Employee Stock Purchase Plan Disclosures [Line Items] |  |  |
Stock Issued During Period, Shares, Employee Stock Purchase Plans | 14,153 |  |
Employee Stock Purchase Plan [Member] |  |  |
Employee Stock Purchase Plan Disclosures [Line Items] |  |  |
Stock Issuance Terms | 85.00% |  |
Common Stock, Capital Shares Reserved for Future Issuance | 88,043 |  |
Common Stock, Capital Shares Reserved for Future Issuance | 62,226 | 88,043 |
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value |  |  |

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