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Note 10 (Details) (USD $)
 9 Months Ended 25 Months Ended
Jul. 31, 2013
Oct. 31, 2012
Jun. 30, 2013
Citi Bank [Member]
Jul. 31, 2013
Letters of Credit Collateral [Member]
Oct. 31, 2012
Letters of Credit Collateral [Member]
Jul. 31, 2013
After November 1 [Member]
Chase Master Repurchase Agreement [Member]
Jul. 31, 2013
Reference Rate [Member]
Jun. 20, 2014
Reference Rate [Member]
Minimum [Member]
Credit Suisse Master Repurchase Agreement [Member]
Jul. 31, 2013
Reference Rate [Member]
Minimum [Member]
Chase Master Repurchase Agreement [Member]
Jul. 31, 2013
Residential Mortgage [Member]
Jul. 31, 2013
Commercial Real Estate [Member]
Jul. 31, 2013
Chase Master Repurchase Agreement [Member]
Jul. 31, 2013
Customers Master Repurchase Agreement [Member]
May 28, 2013
Customers Master Repurchase Agreement [Member]
Jun. 20, 2014
Credit Suisse Master Repurchase Agreement [Member]
Jul. 31, 2013
Credit Suisse Master Repurchase Agreement [Member]
Jul. 31, 2013
Minimum [Member]
Chase Master Repurchase Agreement [Member]
Spread [Member]
May 28, 2013
Minimum [Member]
Customers Master Repurchase Agreement [Member]
Spread [Member]
May 28, 2013
Minimum [Member]
Customers Master Repurchase Agreement [Member]
Reference Rate [Member]
Jul. 31, 2013
Minimum [Member]
Credit Suisse Master Repurchase Agreement [Member]
Spread [Member]
May 28, 2013
Maximum [Member]
Customers Master Repurchase Agreement [Member]
Spread [Member]
Jul. 31, 2013
Maximum [Member]
Credit Suisse Master Repurchase Agreement [Member]
Spread [Member]
Note 10 (Details) [Line Items]                                            
Secured Debt $ 978,300,000                 $ 55,300,000 $ 18,000,000                      
Long-term Debt, Maturities, Repayments of Principal in Next Twelve Months 55,500,000                                          
Long-term Debt, Maturities, Repayments of Principal in Year Two 1,100,000                                          
Long-term Debt, Maturities, Repayments of Principal in Year Three 1,200,000                                          
Long-term Debt, Maturities, Repayments of Principal in Year Four 1,300,000                                          
Long-term Debt, Maturities, Repayments of Principal in Year Five 1,400,000                                          
Long-term Debt, Maturities, Repayments of Principal after Year Five 12,800,000                                          
Debt Instrument, Interest Rate, Stated Percentage Rate Range, Minimum 4.00%                                          
Debt Instrument, Interest Rate, Stated Percentage Rate Range, Maximum 8.75%                                          
Line of Credit Facility, Expiration Period     5 years                                      
Line of Credit Facility, Maximum Borrowing Capacity     75,000,000     50,000,000               37,500,000                
Letters of Credit Outstanding, Amount 5,100,000 29,500,000 22,800,000                                      
Cash Collateral for Borrowed Securities       5,200,000 30,700,000                                  
Assets Sold under Agreements to Repurchase, Interest Rate 3.50%           0.18673% 0.48% 1.00%               2.50% 3.00% 0.50% 3.75% 5.50% 4.00%
Warehouse Agreement Borrowings                       $ 22,900,000 $ 15,100,000     $ 19,500,000            
Line of Credit Facility, Number of Days from Receipt of a Termination Notice Requirement                             50 years