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Investments in Distressed Loans and Foreclosed Real Estate (Details Textual) - USD ($)
$ in Thousands
12 Months Ended
Oct. 31, 2015
Oct. 31, 2014
Oct. 31, 2013
Oct. 31, 2012
Investments in Non Performing Loan Portfolios and Foreclosed Real Estate (Textual) [Abstract]        
Real Estate Acquired Through Foreclosure $ 50,233 $ 69,799 $ 72,972 $ 58,353
Gains (losses) upon acquisition of REO 200 4,500 3,600  
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield   0 6,606 $ 17,196
Gibraltar [Member]        
Investments in Non Performing Loan Portfolios and Foreclosed Real Estate (Textual) [Abstract]        
Real Estate Partnership Investment Subsidiaries, Net Income (Loss) before Tax 10,168 14,364 $ 10,185  
Assets Held-for-sale [Member]        
Investments in Non Performing Loan Portfolios and Foreclosed Real Estate (Textual) [Abstract]        
Real Estate Acquired Through Foreclosure 1,700 11,700    
real estate held and used [Member]        
Investments in Non Performing Loan Portfolios and Foreclosed Real Estate (Textual) [Abstract]        
Real Estate Acquired Through Foreclosure $ 48,500 $ 58,100