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Investments in Distressed Loans and Foreclosed Real Estate Investments in Foreclosed Real Estate (Details 2) - USD ($)
$ in Thousands
12 Months Ended
Oct. 31, 2015
Oct. 31, 2014
Oct. 31, 2013
Schedule of changes in real estate owned [Roll Forward]      
Real Estate Acquired Through Foreclosure $ 69,799 $ 72,972 $ 58,353
Real Estate Owned Additions 2,833 22,220 23,470
Real Estate Owned, Sales (21,293) (23,696) (7,842)
Real Estate Owned, Impairments (767) (1,358) (505)
Real Estate Held And Used Depreciation (339) (339) (504)
Real Estate Acquired Through Foreclosure $ 50,233 $ 69,799 $ 72,972