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Investments in Distressed Loans and Foreclosed Real Estate (Details Textual) (USD $)
3 Months Ended
Jan. 31, 2014
Jan. 31, 2013
Oct. 31, 2013
Oct. 31, 2012
Real Estate Properties [Line Items]        
Real Estate Acquired Through Foreclosure $ 79,267,000 $ 68,764,000 $ 72,972,000 $ 58,353,000
Investments in Non-Performing Loan Portfolios and Foreclosed Real Estate (Textual) [Abstract]        
Investment in performing loans 0   800,000  
Financing Receivable, Recorded Investment, Nonaccrual Status 11,700,000   21,400,000  
Gains (losses) upon acquisition of REO 1,500,000 600,000    
Income from Gibraltar 4,332,000 151,000    
Assets Held-for-sale [Member]
       
Real Estate Properties [Line Items]        
Real Estate Acquired Through Foreclosure 18,900,000 5,900,000    
real estate held and used [Member]
       
Real Estate Properties [Line Items]        
Real Estate Acquired Through Foreclosure $ 60,400,000 $ 62,800,000