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Foreclosed Assets (Summary of Foreclosed Assets) (Details) - USD ($)
$ in Thousands
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Banking and Thrift [Abstract]      
Consumer mortgage loans collateralized by residential real estate foreclosed as a result of obtaining physical possession $ 18 $ 0  
All other foreclosed assets 213 421  
Total $ 231 $ 421 $ 885