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Investments in Foreclosed Real Estate (Details 2) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Jul. 31, 2016
Jul. 31, 2015
Jul. 31, 2016
Jul. 31, 2015
Schedule of changes in real estate owned [Roll Forward]        
Real Estate Acquired Through Foreclosure $ 14,576 $ 63,680 $ 50,233 $ 69,799
Real Estate Owned Additions 98 400 964 2,304
Real Estate Owned, Sales (757) (6,471) (36,485) (14,139)
Real Estate Owned, Impairments (230) (943) (183)
Real Estate Held And Used Depreciation (85) (82) (257)
Real Estate Acquired Through Foreclosure $ 13,687 $ 57,524 $ 13,687 $ 57,524