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