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Long-term Borrowings (Tables)
12 Months Ended
Dec. 31, 2015
Debt Disclosure [Abstract]  
Schedule of long-term borrowings
 
  2015  2014  2013 
          
Federal Home Loan Bank of Atlanta,  convertible advances $20,000,000  $20,000,000  $20,000,000 
 
Schedule of maturities of long-term borrowings
 
  2015 
    
2017 $10,000,000 
2018  10,000,000 
  $20,000,000