Loans (Summary Of Average Impaired Loans And Related Interest Income) (Details) (USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Financing Receivable, Impaired [Line Items]      
Impaired loans with no related allowance, Average Recorded Investment $ 15,360 $ 20,829 $ 22,346
Impaired loans with no related allowance, Total Interest Income 877 688 1,139
Impaired loans with no related allowance, Cash Basis Interest Income 392 274 334
Impaired loans with a related allowance, Average Recorded Investment 6,498 5,064 3,309
Impaired loans with a related allowance, Total Interest Income 165 345 106
Impaired loans with a related allowance, Cash Basis Interest Income 0 0 4
Total impaired loans, Average Recorded Investment 21,858 25,893 25,655
Total impaired loans, Total Interest Income 1,042 1,033 1,245
Total impaired loans, Cash Basis Interest Income 392 274 338
Builder & Developer [Member]      
Financing Receivable, Impaired [Line Items]      
Impaired loans with no related allowance, Average Recorded Investment 4,154 8,703 8,849
Impaired loans with no related allowance, Total Interest Income 290 215 570
Impaired loans with no related allowance, Cash Basis Interest Income 20 8 65
Impaired loans with a related allowance, Average Recorded Investment 3,958 1,624 260
Impaired loans with a related allowance, Total Interest Income 18 294 6
Impaired loans with a related allowance, Cash Basis Interest Income 0 0 4
Total impaired loans, Average Recorded Investment 8,112 10,327 9,109
Total impaired loans, Total Interest Income 308 509 576
Total impaired loans, Cash Basis Interest Income 20 8 69
Commercial Real Estate Investor [Member]      
Financing Receivable, Impaired [Line Items]      
Impaired loans with no related allowance, Average Recorded Investment 6,794 6,334 4,910
Impaired loans with no related allowance, Total Interest Income 213 301 281
Impaired loans with no related allowance, Cash Basis Interest Income 102 162 108
Impaired loans with a related allowance, Average Recorded Investment 299 0 45
Impaired loans with a related allowance, Total Interest Income 87 0 0
Impaired loans with a related allowance, Cash Basis Interest Income 0 0 0
Total impaired loans, Average Recorded Investment 7,093 6,334 4,955
Total impaired loans, Total Interest Income 300 301 281
Total impaired loans, Cash Basis Interest Income 102 162 108
Residential Real Estate Investor [Member]      
Financing Receivable, Impaired [Line Items]      
Impaired loans with no related allowance, Average Recorded Investment 527 238 307
Impaired loans with no related allowance, Total Interest Income 35 7 5
Impaired loans with no related allowance, Cash Basis Interest Income 26 5 4
Impaired loans with a related allowance, Average Recorded Investment 1,409 2,284 1,483
Impaired loans with a related allowance, Total Interest Income 7 18 64
Impaired loans with a related allowance, Cash Basis Interest Income 0 0 0
Total impaired loans, Average Recorded Investment 1,936 2,522 1,790
Total impaired loans, Total Interest Income 42 25 69
Total impaired loans, Cash Basis Interest Income 26 5 4
Hotel/Motel [Member]      
Financing Receivable, Impaired [Line Items]      
Impaired loans with no related allowance, Average Recorded Investment 463 0 0
Impaired loans with no related allowance, Total Interest Income 19 0 0
Impaired loans with no related allowance, Cash Basis Interest Income 0 0 0
Impaired loans with a related allowance, Average Recorded Investment 0 0 0
Impaired loans with a related allowance, Total Interest Income 0 0 0
Impaired loans with a related allowance, Cash Basis Interest Income 0 0 0
Total impaired loans, Average Recorded Investment 463 0 0
Total impaired loans, Total Interest Income 19 0 0
Total impaired loans, Cash Basis Interest Income 0 0 0
Wholesale & Retail [Member]      
Financing Receivable, Impaired [Line Items]      
Impaired loans with no related allowance, Average Recorded Investment 764 2,229 2,711
Impaired loans with no related allowance, Total Interest Income 90 65 28
Impaired loans with no related allowance, Cash Basis Interest Income 78 66 4
Impaired loans with a related allowance, Average Recorded Investment 0 0 105
Impaired loans with a related allowance, Total Interest Income 0 0 0
Impaired loans with a related allowance, Cash Basis Interest Income 0 0 0
Total impaired loans, Average Recorded Investment 764 2,229 2,816
Total impaired loans, Total Interest Income 90 65 28
Total impaired loans, Cash Basis Interest Income 78 66 4
Manufacturing [Member]      
Financing Receivable, Impaired [Line Items]      
Impaired loans with no related allowance, Average Recorded Investment 665 683 707
Impaired loans with no related allowance, Total Interest Income 42 44 42
Impaired loans with no related allowance, Cash Basis Interest Income 0 0 0
Impaired loans with a related allowance, Average Recorded Investment 0 0 0
Impaired loans with a related allowance, Total Interest Income 0 0 0
Impaired loans with a related allowance, Cash Basis Interest Income 0 0 0
Total impaired loans, Average Recorded Investment 665 683 707
Total impaired loans, Total Interest Income 42 44 42
Total impaired loans, Cash Basis Interest Income 0 0 0
Agriculture [Member]      
Financing Receivable, Impaired [Line Items]      
Impaired loans with no related allowance, Average Recorded Investment 0 0 0
Impaired loans with no related allowance, Total Interest Income 0 0 0
Impaired loans with no related allowance, Cash Basis Interest Income 0 0 0
Impaired loans with a related allowance, Average Recorded Investment 442 462 481
Impaired loans with a related allowance, Total Interest Income 31 33 34
Impaired loans with a related allowance, Cash Basis Interest Income 0 0 0
Total impaired loans, Average Recorded Investment 442 462 481
Total impaired loans, Total Interest Income 31 33 34
Total impaired loans, Cash Basis Interest Income 0 0 0
Other Commercial [Member]      
Financing Receivable, Impaired [Line Items]      
Impaired loans with no related allowance, Average Recorded Investment 1,156 1,570 4,020
Impaired loans with no related allowance, Total Interest Income 148 19 177
Impaired loans with no related allowance, Cash Basis Interest Income 128 4 138
Impaired loans with a related allowance, Average Recorded Investment 390 694 935
Impaired loans with a related allowance, Total Interest Income 22 0 2
Impaired loans with a related allowance, Cash Basis Interest Income 0 0 0
Total impaired loans, Average Recorded Investment 1,546 2,264 4,955
Total impaired loans, Total Interest Income 170 19 179
Total impaired loans, Cash Basis Interest Income 128 4 138
Residential Mortgage [Member]      
Financing Receivable, Impaired [Line Items]      
Impaired loans with no related allowance, Average Recorded Investment 147 124 133
Impaired loans with no related allowance, Total Interest Income 4 6 6
Impaired loans with no related allowance, Cash Basis Interest Income 3 5 4
Impaired loans with a related allowance, Average Recorded Investment 0 0 0
Impaired loans with a related allowance, Total Interest Income 0 0 0
Impaired loans with a related allowance, Cash Basis Interest Income 0 0 0
Total impaired loans, Average Recorded Investment 147 124 133
Total impaired loans, Total Interest Income 4 6 6
Total impaired loans, Cash Basis Interest Income 3 5 4
Home Equity [Member]      
Financing Receivable, Impaired [Line Items]      
Impaired loans with no related allowance, Average Recorded Investment 208 327 274
Impaired loans with no related allowance, Total Interest Income 4 8 8
Impaired loans with no related allowance, Cash Basis Interest Income 3 1 1
Impaired loans with a related allowance, Average Recorded Investment 0 0 0
Impaired loans with a related allowance, Total Interest Income 0 0 0
Impaired loans with a related allowance, Cash Basis Interest Income 0 0 0
Total impaired loans, Average Recorded Investment 208 327 274
Total impaired loans, Total Interest Income 4 8 8
Total impaired loans, Cash Basis Interest Income 3 1 1
Other Consumer [Member]      
Financing Receivable, Impaired [Line Items]      
Impaired loans with no related allowance, Average Recorded Investment 482 621 435
Impaired loans with no related allowance, Total Interest Income 32 23 22
Impaired loans with no related allowance, Cash Basis Interest Income 32 23 10
Impaired loans with a related allowance, Average Recorded Investment 0 0 0
Impaired loans with a related allowance, Total Interest Income 0 0 0
Impaired loans with a related allowance, Cash Basis Interest Income 0 0 0
Total impaired loans, Average Recorded Investment 482 621 435
Total impaired loans, Total Interest Income 32 23 22
Total impaired loans, Cash Basis Interest Income $ 32 $ 23 $ 10