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Securities - Narrative (Details)
$ in Thousands
Mar. 31, 2016
USD ($)
Security
Dec. 31, 2015
USD ($)
Schedule of Available-for-sale Securities [Line Items]    
Carrying value of securities | $ $ 115,976 $ 117,646
State and municipal    
Schedule of Available-for-sale Securities [Line Items]    
Number of available-for-sale securities 1  
Percentage of amortized cost (less than) 1.00%  
Corporate bonds    
Schedule of Available-for-sale Securities [Line Items]    
Number of available-for-sale securities 1  
Percentage of amortized cost (less than) 2.00%  
Stock in other banks    
Schedule of Available-for-sale Securities [Line Items]    
Number of available-for-sale securities 1  
Percentage of amortized cost (less than) 18.00%  
Mortgage-backed securities, residential    
Schedule of Available-for-sale Securities [Line Items]    
Number of held-to-maturity residential mortgage-backed securities 1  
Percentage of amortized cost (less than) 1.00%