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Borrowed Funds And Junior Subordinated Debentures (Narrative) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Debt Instrument [Line Items]      
Borrowing amount $ 28,200 $ 10,000 $ 13,700
FHLBNY stock, carrying value 2,185 1,296  
Junior subordinated debentures $ 11,330 11,330  
Junior Subordinated Debentures [Member]      
Debt Instrument [Line Items]      
Debt maturity date Oct. 01, 2037    
Debt interest rate 3.59%    
Junior Subordinated Debentures [Member] | Capital Securities [Member]      
Debt Instrument [Line Items]      
Debt issuance date Oct. 01, 2004    
Debt maturity date Nov. 23, 2034    
Debt interest rate 3.59%    
Junior subordinated debentures $ 11,000    
Junior Subordinated Debentures [Member] | Common Stock [Member]      
Debt Instrument [Line Items]      
Junior subordinated debentures 330    
FHLB Advances [Member]      
Debt Instrument [Line Items]      
Borrowing amount $ 10,000 10,000
FHLB advances fixed interest rate 1.73%    
FHLB advances maturity year 2020    
FHLB advances available $ 199,000    
FHLB Overnight Line of Credit [Member]      
Debt Instrument [Line Items]      
Borrowing amount 18,200 $ 13,700
FHLB advances available $ 18,000    
LIBOR [Member] | Junior Subordinated Debentures [Member] | Capital Securities [Member]      
Debt Instrument [Line Items]      
Basis spread on variable rate 2.65%