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Borrowed (Contractual Maturities of All Long Term Borrowings) (Details) - USD ($)
$ in Thousands
Jun. 30, 2016
Dec. 31, 2015
Debt Instrument [Line Items]    
Due in 2016 $ 0 $ 0
Due in 2017 0 0
Due in 2018 20,000 20,000
Due in 2019 20,000 0
Due in 2020 30,000 30,000
Thereafter 76,756 97,537
Total long-term debt 146,756 $ 147,537
Fixed Rate [Member]    
Debt Instrument [Line Items]    
Due in 2016 0  
Due in 2017 0  
Due in 2018 20,000  
Due in 2019 20,000  
Due in 2020 30,000  
Thereafter 45,827  
Total long-term debt 115,827  
Floating Rate [Member]    
Debt Instrument [Line Items]    
Due in 2016 0  
Due in 2017 0  
Due in 2018 0  
Due in 2019 0  
Due in 2020 0  
Thereafter 30,929  
Total long-term debt $ 30,929