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Securities (Details Textual)
$ in Thousands
Dec. 31, 2016
USD ($)
investment
Dec. 31, 2015
USD ($)
Schedule of Available-for-sale Securities [Line Items]    
Available-for-sale securities pledged as collateral | $ $ 86,351 $ 124,517
U.S. Government-sponsored enterprises (GSEs) [Member]    
Schedule of Available-for-sale Securities [Line Items]    
Securities in unrealized loss positions (Number of investments) 7  
Muncipal Securities [Member]    
Schedule of Available-for-sale Securities [Line Items]    
Securities in unrealized loss positions (Number of investments) 15  
Mortgage-backed securities [Member]    
Schedule of Available-for-sale Securities [Line Items]    
Securities in unrealized loss positions (Number of investments) 55