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Investments in Foreclosed Real Estate (Details 2) - USD ($)
$ in Thousands
3 Months Ended
Jan. 31, 2016
Jan. 31, 2015
Schedule of changes in real estate owned [Roll Forward]    
Real Estate Acquired Through Foreclosure $ 50,233 $ 69,799
Real Estate Owned Additions 694 1,676
Real Estate Owned, Sales (3,367) (4,286)
Real Estate Owned, Impairments (155) (169)
Real Estate Held And Used Depreciation (80) (86)
Real Estate Acquired Through Foreclosure $ 47,325 $ 66,934