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Loans, Allowance For Loan Losses And OREO (Allowance For Loan Losses And Recorded Investment In Loans) (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2017
Sep. 30, 2016
Sep. 30, 2017
Sep. 30, 2016
Dec. 31, 2016
Financing Receivable, Allowance for Credit Losses [Line Items]          
Allowance for Credit Losses: Beginning Balance     $ 5,716 $ 4,683 $ 4,683
Allowance for Credit Losses: Charge-offs     (551)   (759)
Allowance for Credit Losses: Recoveries     110   180
Allowance for credit losses: Provision $ 200 $ 145 745 595 1,612
Allowance for Credit Losses: Ending Balance 6,020   6,020   5,716
Allowance for Credit Losses: Ending Balance: Individually evaluated for impairment 1,902   1,902   1,771
Allowance for Credit Losses: Ending Balance: Collectively evaluated for impairment 4,118   4,118   3,945
Allowance for Credit Losses: Totals 6,020   6,020   5,716
Financing Receivables: Ending Balance: Individually evaluated for impairment 7,987   7,987   9,799
Financing Receivables: Ending Balance: Collectively evaluated for impairment 491,797   491,797   460,270
Total loans [1] 499,784   499,784   470,069
Commercial [Member]          
Financing Receivable, Allowance for Credit Losses [Line Items]          
Allowance for Credit Losses: Beginning Balance     2,192 1,195 1,195
Allowance for Credit Losses: Charge-offs     (315)   (328)
Allowance for Credit Losses: Recoveries     5   7
Allowance for credit losses: Provision     537   1,318
Allowance for Credit Losses: Ending Balance 2,419   2,419   2,192
Allowance for Credit Losses: Ending Balance: Individually evaluated for impairment 1,301   1,301   1,233
Allowance for Credit Losses: Ending Balance: Collectively evaluated for impairment 1,118   1,118   959
Allowance for Credit Losses: Totals 2,419   2,419   2,192
Financing Receivables: Ending Balance: Individually evaluated for impairment 2,458   2,458   2,219
Financing Receivables: Ending Balance: Collectively evaluated for impairment 100,422   100,422   85,866
Total loans 102,880   102,880   88,085
Commercial Real Estate [Member]          
Financing Receivable, Allowance for Credit Losses [Line Items]          
Allowance for Credit Losses: Beginning Balance     2,109 1,751 1,751
Allowance for Credit Losses: Charge-offs     (17)   (156)
Allowance for Credit Losses: Recoveries     24   127
Allowance for credit losses: Provision     (233)   387
Allowance for Credit Losses: Ending Balance 1,883   1,883   2,109
Allowance for Credit Losses: Ending Balance: Individually evaluated for impairment 290   290   345
Allowance for Credit Losses: Ending Balance: Collectively evaluated for impairment 1,593   1,593   1,764
Allowance for Credit Losses: Totals 1,883   1,883   2,109
Financing Receivables: Ending Balance: Individually evaluated for impairment 3,437   3,437   5,198
Financing Receivables: Ending Balance: Collectively evaluated for impairment 246,004   246,004   232,440
Total loans 249,441   249,441   237,638
Consumer [Member]          
Financing Receivable, Allowance for Credit Losses [Line Items]          
Allowance for Credit Losses: Beginning Balance     954 1,073 1,073
Allowance for Credit Losses: Charge-offs     (114)   (275)
Allowance for Credit Losses: Recoveries     42   44
Allowance for credit losses: Provision     272   112
Allowance for Credit Losses: Ending Balance 1,154   1,154   954
Allowance for Credit Losses: Ending Balance: Individually evaluated for impairment 307   307   110
Allowance for Credit Losses: Ending Balance: Collectively evaluated for impairment 847   847   844
Allowance for Credit Losses: Totals 1,154   1,154   954
Financing Receivables: Ending Balance: Individually evaluated for impairment 490   490   128
Financing Receivables: Ending Balance: Collectively evaluated for impairment 83,052   83,052   84,971
Total loans 83,542   83,542   85,099
Residential Real Estate [Member]          
Financing Receivable, Allowance for Credit Losses [Line Items]          
Allowance for Credit Losses: Beginning Balance     461 $ 664 664
Allowance for Credit Losses: Charge-offs     (105)    
Allowance for Credit Losses: Recoveries     39   2
Allowance for credit losses: Provision     169   (205)
Allowance for Credit Losses: Ending Balance 564   564   461
Allowance for Credit Losses: Ending Balance: Individually evaluated for impairment 4   4   83
Allowance for Credit Losses: Ending Balance: Collectively evaluated for impairment 560   560   378
Allowance for Credit Losses: Totals 564   564   461
Financing Receivables: Ending Balance: Individually evaluated for impairment 1,602   1,602   2,254
Financing Receivables: Ending Balance: Collectively evaluated for impairment 62,319   62,319   56,993
Total loans $ 63,921   $ 63,921   $ 59,247
[1] Includes net deferred costs and premiums of $903 and $182 as of September 30, 2017 and December 31, 2016, respectively.