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Federal Home Loan Bank Advances (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Advances from Federal Home Loan Bank $ 12,301 $ 11,332
Long Term Federal Home Loan Bank Advances [Member]    
Advances from Federal Home Loan Bank $ 301 $ 332
Interest rate, range 3.98% 3.98%
Maturity date, lower range 2024-11  
Short Term Federal Home Loan Bank Advances [Member]    
Advances from Federal Home Loan Bank $ 12,000 $ 11,000
Interest rate, range   0.47%
Maturity date, lower range 2017-01  
Maturity date, upper range 2017-03  
Short Term Federal Home Loan Bank Advances [Member] | Lower Range [Member]    
Interest rate, range 0.81%  
Short Term Federal Home Loan Bank Advances [Member] | Upper Range [Member]    
Interest rate, range 0.88%  
Short Term Federal Home Loan Bank Advances [Member] | Weighted Average [Member]    
Interest rate, range 0.86%