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Securities (Narrative Disclosures) (Details)
$ in Thousands
 3 Months Ended
Mar. 31, 2016
USD ($)
securities
Mar. 31, 2015
USD ($)
Dec. 31, 2015
USD ($)
Investments, Debt and Equity Securities [Abstract]      
Proceeds from sale of available-for-sale securities | $ $ 0 $ 0  
Available-for-sale securities pledged as collateral | $ $ 21,200   $ 23,000
Number of available-for-sales securities in an unrealized loss position | securities 35    
Number of available-for-sale securities in an unrealized loss position, twelve months or greater | securities 10    
Other than temporary impairment on available-for-sale securities recorded on the income statement | $ $ 0 $ 0  
Number of held-to-maturity securities in an unrealized loss position | securities 5    
Number of held-to-maturity Securities in an unrealized loss position, twelve months or greater | securities 4    
Other than temporary impairment on held-to-maturity securities recorded on the income statement | $ $ 0