Allowance For Loan Losses (Summary Of Activity In And The Composition Of The Allowance For Loan Losses By Loan Segment And Class) (Details) (USD $)
In Thousands, unless otherwise specified
 3 Months Ended 12 Months Ended
Dec. 31, 2014
Sep. 30, 2014
Jun. 30, 2014
Mar. 31, 2014
Dec. 31, 2013
Sep. 30, 2013
Jun. 30, 2013
Mar. 31, 2013
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Financing Receivable, Allowance for Credit Losses [Line Items]                      
Beginning Balance       $ 9,975       $ 9,302 $ 9,975 $ 9,302 $ 8,702
Charge-offs                 (752) (998) (1,225)
Recoveries                 339 201 75
Provisions 500 250 300 550 500 150 560 260 1,600 1,470 1,750
Ending Balance 11,162       9,975       11,162 9,975 9,302
Commercial Related Loans [Member]                      
Financing Receivable, Allowance for Credit Losses [Line Items]                      
Beginning Balance       8,204       8,032 8,204 8,032 8,120
Charge-offs                 (326) (591) (609)
Recoveries                 248 102 17
Provisions                 1,244 661 504
Ending Balance 9,370       8,204       9,370 8,204 8,032
Builder & Developer [Member]                      
Financing Receivable, Allowance for Credit Losses [Line Items]                      
Beginning Balance       2,073       1,571 2,073 1,571 2,170
Charge-offs                 0 (62) (217)
Recoveries                 3 0 0
Provisions                 160 564 (382)
Ending Balance 2,236       2,073       2,236 2,073 1,571
Commercial Real Estate Investor [Member]                      
Financing Receivable, Allowance for Credit Losses [Line Items]                      
Beginning Balance       1,500       1,259 1,500 1,259 2,003
Charge-offs                 (200) 0 (67)
Recoveries                 0 0 0
Provisions                 904 241 (677)
Ending Balance 2,204       1,500       2,204 1,500 1,259
Residential Real Estate Investor [Member]                      
Financing Receivable, Allowance for Credit Losses [Line Items]                      
Beginning Balance       1,482       1,195 1,482 1,195 505
Charge-offs                 (91) (310) (15)
Recoveries                 215 0 0
Provisions                 (122) 597 705
Ending Balance 1,484       1,482       1,484 1,482 1,195
Hotel/Motel [Member]                      
Financing Receivable, Allowance for Credit Losses [Line Items]                      
Beginning Balance       595       485 595 485 394
Charge-offs                 0 0 0
Recoveries                 0 0 0
Provisions                 76 110 91
Ending Balance 671       595       671 595 485
Wholesale & Retail [Member]                      
Financing Receivable, Allowance for Credit Losses [Line Items]                      
Beginning Balance       637       1,913 637 1,913 1,806
Charge-offs                 (35) (210) 0
Recoveries                 30 85 16
Provisions                 59 (1,151) 91
Ending Balance 691       637       691 637 1,913
Manufacturing [Member]                      
Financing Receivable, Allowance for Credit Losses [Line Items]                      
Beginning Balance       217       237 217 237 151
Charge-offs                 0 0 0
Recoveries                 0 0 0
Provisions                 (16) (20) 86
Ending Balance 201       217       201 217 237
Agriculture [Member]                      
Financing Receivable, Allowance for Credit Losses [Line Items]                      
Beginning Balance       307       202 307 202 184
Charge-offs                 0 0 0
Recoveries                 0 0 0
Provisions                 22 105 18
Ending Balance 329       307       329 307 202
Other Commercial [Member]                      
Financing Receivable, Allowance for Credit Losses [Line Items]                      
Beginning Balance       1,393       1,170 1,393 1,170 907
Charge-offs                 0 (9) (310)
Recoveries                 0 17 1
Provisions                 161 215 572
Ending Balance 1,554       1,393       1,554 1,393 1,170
Consumer Related Loans [Member]                      
Financing Receivable, Allowance for Credit Losses [Line Items]                      
Beginning Balance       571       599 571 599 345
Charge-offs                 (426) (407) (616)
Recoveries                 91 99 58
Provisions                 220 280 812
Ending Balance 456       571       456 571 599
Residential Mortgage [Member]                      
Financing Receivable, Allowance for Credit Losses [Line Items]                      
Beginning Balance       65       124 65 124 88
Charge-offs                 (30) (27) (115)
Recoveries                 4 2 41
Provisions                 25 (34) 110
Ending Balance 64       65       64 65 124
Home Equity [Member]                      
Financing Receivable, Allowance for Credit Losses [Line Items]                      
Beginning Balance       237       237 237 237 86
Charge-offs                 (116) (116) (189)
Recoveries                 40 9 2
Provisions                 15 107 338
Ending Balance 176       237       176 237 237
Other Consumer [Member]                      
Financing Receivable, Allowance for Credit Losses [Line Items]                      
Beginning Balance       269       238 269 238 171
Charge-offs                 (280) (264) (312)
Recoveries                 47 88 15
Provisions                 180 207 364
Ending Balance 216       269       216 269 238
Unallocated [Member]                      
Financing Receivable, Allowance for Credit Losses [Line Items]                      
Beginning Balance       1,200       671 1,200 671 237
Charge-offs                 0 0 0
Recoveries                 0 0 0
Provisions                 136 529 434
Ending Balance $ 1,336       $ 1,200       $ 1,336 $ 1,200 $ 671