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Allowance For Loan Losses (Schedule Of Aging Analysis Of Accruing And Non-Accruing Loans) (Details) - USD ($) $ in Thousands | Jun. 30, 2015 | Dec. 31, 2014
--- | --- | ---
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Current | $ 2,659,253 | $ 2,626,094
Financing Receivable, Acquired with Deteriorated Credit Quality, Recorded Investment, Past Due | 1,847 | 1,270
Non-accrual | 15,623 | 15,306
Gross loans | 2,684,457 | 2,652,066
Residential Real Estate [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Current | 1,317,489 | 1,286,306
Non-accrual | 2,693 | 2,394
Gross loans | 1,325,453 | 1,294,576
Home equity - junior lien [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Current | 143,233 | 144,788
Non-accrual | 141 | 68
Gross loans | 143,772 | 145,604
Commercial And Industrial [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Current | 140,180 | 138,980
Financing Receivable, Acquired with Deteriorated Credit Quality, Recorded Investment, Past Due | 0 | 0
Non-accrual | 1,271 | 1,115
Gross loans | 142,065 | 140,548
Commercial Real Estate [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Current | 1,018,099 | 1,014,251
Financing Receivable, Acquired with Deteriorated Credit Quality, Recorded Investment, Past Due | 1,847 | 1,270
Non-accrual | 11,518 | 11,729
Gross loans | 1,032,333 | 1,028,831
Consumer Loan [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Current | 37,299 | 39,286
Non-accrual | 0 | 0
Gross loans | 37,555 | 39,705
Demand Deposit Account Overdrafts [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Current | 2,953 | 2,483
Non-accrual | 0 | 0
Gross loans | 3,279 | 2,802
Originated Loans [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Current | 2,434,712 | 2,376,849
Non-accrual | 10,616 | 9,735
Gross loans | 2,451,373 | 2,393,798
Originated Loans [Member] | Residential Real Estate [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Current | 1,239,489 | 1,200,177
Non-accrual | 2,058 | 2,259
Gross loans | 1,245,655 | 1,207,598
Originated Loans [Member] | Home equity - junior lien [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Current | 141,749 | 142,624
Non-accrual | 141 | 68
Gross loans | 142,283 | 143,438
Originated Loans [Member] | Commercial And Industrial [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Current | 130,860 | 128,857
Non-accrual | 829 | 78
Gross loans | 132,289 | 129,245
Originated Loans [Member] | Commercial Real Estate [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Current | 886,952 | 869,530
Non-accrual | 7,588 | 7,330
Gross loans | 895,076 | 877,339
Originated Loans [Member] | Consumer Loan [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Current | 32,709 | 33,178
Non-accrual | 0 | 0
Gross loans | 32,791 | 33,376
Originated Loans [Member] | Demand Deposit Account Overdrafts [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Current | 2,953 | 2,483
Non-accrual | 0 | 0
Gross loans | 3,279 | 2,802
Acquired Loans [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Current | 224,541 | 249,245
Financing Receivable, Acquired with Deteriorated Credit Quality, Recorded Investment, Past Due | 1,847 | 1,270
Non-accrual | 5,007 | 5,571
Gross loans | 233,084 | 258,268
Acquired Loans [Member] | Residential Real Estate [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Current | 78,000 | 86,129
Non-accrual | 635 | 135
Gross loans | 79,798 | 86,978
Acquired Loans [Member] | Home equity - junior lien [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Current | 1,484 | 2,164
Non-accrual | 0 | 0
Gross loans | 1,489 | 2,166
Acquired Loans [Member] | Commercial And Industrial [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Current | 9,320 | 10,123
Financing Receivable, Acquired with Deteriorated Credit Quality, Recorded Investment, Past Due | 0 | 0
Non-accrual | 442 | 1,037
Gross loans | 9,776 | 11,303
Acquired Loans [Member] | Commercial Real Estate [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Current | 131,147 | 144,721
Financing Receivable, Acquired with Deteriorated Credit Quality, Recorded Investment, Past Due | 1,847 | 1,270
Non-accrual | 3,930 | 4,399
Gross loans | 137,257 | 151,492
Acquired Loans [Member] | Consumer Loan [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Current | 4,590 | 6,108
Non-accrual | 0 | 0
Gross loans | 4,764 | 6,329
Acquired Loans [Member] | Demand Deposit Account Overdrafts [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Current | 0 | 0
Non-accrual | 0 | 0
Gross loans | 0 | 0
Financing Receivables, 30 to 59 Days Past Due [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Financing Receivable, Recorded Investment, Past Due | 6,673 | 7,734
Financing Receivables, 30 to 59 Days Past Due [Member] | Residential Real Estate [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Financing Receivable, Recorded Investment, Past Due | 4,476 | 4,949
Financing Receivables, 30 to 59 Days Past Due [Member] | Home equity - junior lien [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Financing Receivable, Recorded Investment, Past Due | 394 | 563
Financing Receivables, 30 to 59 Days Past Due [Member] | Commercial And Industrial [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Financing Receivable, Recorded Investment, Past Due | 569 | 243
Financing Receivables, 30 to 59 Days Past Due [Member] | Commercial Real Estate [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Financing Receivable, Recorded Investment, Past Due | 716 | 1,371
Financing Receivables, 30 to 59 Days Past Due [Member] | Consumer Loan [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Financing Receivable, Recorded Investment, Past Due | 192 | 291
Financing Receivables, 30 to 59 Days Past Due [Member] | Demand Deposit Account Overdrafts [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Financing Receivable, Recorded Investment, Past Due | 326 | 317
Financing Receivables, 30 to 59 Days Past Due [Member] | Originated Loans [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Financing Receivable, Recorded Investment, Past Due | 5,449 | 5,811
Financing Receivables, 30 to 59 Days Past Due [Member] | Originated Loans [Member] | Residential Real Estate [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Financing Receivable, Recorded Investment, Past Due | 3,653 | 4,235
Financing Receivables, 30 to 59 Days Past Due [Member] | Originated Loans [Member] | Home equity - junior lien [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Financing Receivable, Recorded Investment, Past Due | 389 | 561
Financing Receivables, 30 to 59 Days Past Due [Member] | Originated Loans [Member] | Commercial And Industrial [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Financing Receivable, Recorded Investment, Past Due | 555 | 100
Financing Receivables, 30 to 59 Days Past Due [Member] | Originated Loans [Member] | Commercial Real Estate [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Financing Receivable, Recorded Investment, Past Due | 467 | 479
Financing Receivables, 30 to 59 Days Past Due [Member] | Originated Loans [Member] | Consumer Loan [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Financing Receivable, Recorded Investment, Past Due | 59 | 119
Financing Receivables, 30 to 59 Days Past Due [Member] | Originated Loans [Member] | Demand Deposit Account Overdrafts [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Financing Receivable, Recorded Investment, Past Due | 326 | 317
Financing Receivables, 30 to 59 Days Past Due [Member] | Acquired Loans [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Financing Receivable, Recorded Investment, Past Due | 1,224 | 1,923
Financing Receivables, 30 to 59 Days Past Due [Member] | Acquired Loans [Member] | Residential Real Estate [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Financing Receivable, Recorded Investment, Past Due | 823 | 714
Financing Receivables, 30 to 59 Days Past Due [Member] | Acquired Loans [Member] | Home equity - junior lien [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Financing Receivable, Recorded Investment, Past Due | 5 | 2
Financing Receivables, 30 to 59 Days Past Due [Member] | Acquired Loans [Member] | Commercial And Industrial [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Financing Receivable, Recorded Investment, Past Due | 14 | 143
Financing Receivables, 30 to 59 Days Past Due [Member] | Acquired Loans [Member] | Commercial Real Estate [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Financing Receivable, Recorded Investment, Past Due | 249 | 892
Financing Receivables, 30 to 59 Days Past Due [Member] | Acquired Loans [Member] | Consumer Loan [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Financing Receivable, Recorded Investment, Past Due | 133 | 172
Financing Receivables, 30 to 59 Days Past Due [Member] | Acquired Loans [Member] | Demand Deposit Account Overdrafts [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Financing Receivable, Recorded Investment, Past Due | 0 | 0
Financing Receivables, 60 to 89 Days Past Due [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Financing Receivable, Recorded Investment, Past Due | 797 | 1,239
Financing Receivables, 60 to 89 Days Past Due [Member] | Residential Real Estate [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Financing Receivable, Recorded Investment, Past Due | 584 | 758
Financing Receivables, 60 to 89 Days Past Due [Member] | Home equity - junior lien [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Financing Receivable, Recorded Investment, Past Due | 1 | 155
Financing Receivables, 60 to 89 Days Past Due [Member] | Commercial And Industrial [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Financing Receivable, Recorded Investment, Past Due | 45 | 0
Financing Receivables, 60 to 89 Days Past Due [Member] | Commercial Real Estate [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Financing Receivable, Recorded Investment, Past Due | 153 | 210
Financing Receivables, 60 to 89 Days Past Due [Member] | Consumer Loan [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Financing Receivable, Recorded Investment, Past Due | 14 | 114
Financing Receivables, 60 to 89 Days Past Due [Member] | Demand Deposit Account Overdrafts [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Financing Receivable, Recorded Investment, Past Due | 0 | 2
Financing Receivables, 60 to 89 Days Past Due [Member] | Originated Loans [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Financing Receivable, Recorded Investment, Past Due | 363 | 993
Financing Receivables, 60 to 89 Days Past Due [Member] | Originated Loans [Member] | Residential Real Estate [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Financing Receivable, Recorded Investment, Past Due | 244 | 758
Financing Receivables, 60 to 89 Days Past Due [Member] | Originated Loans [Member] | Home equity - junior lien [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Financing Receivable, Recorded Investment, Past Due | 1 | 155
Financing Receivables, 60 to 89 Days Past Due [Member] | Originated Loans [Member] | Commercial And Industrial [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Financing Receivable, Recorded Investment, Past Due | 45 | 0
Financing Receivables, 60 to 89 Days Past Due [Member] | Originated Loans [Member] | Commercial Real Estate [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Financing Receivable, Recorded Investment, Past Due | 69 | 0
Financing Receivables, 60 to 89 Days Past Due [Member] | Originated Loans [Member] | Consumer Loan [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Financing Receivable, Recorded Investment, Past Due | 4 | 78
Financing Receivables, 60 to 89 Days Past Due [Member] | Originated Loans [Member] | Demand Deposit Account Overdrafts [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Financing Receivable, Recorded Investment, Past Due | 0 | 2
Financing Receivables, 60 to 89 Days Past Due [Member] | Acquired Loans [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Financing Receivable, Recorded Investment, Past Due | 434 | 246
Financing Receivables, 60 to 89 Days Past Due [Member] | Acquired Loans [Member] | Residential Real Estate [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Financing Receivable, Recorded Investment, Past Due | 340 | 0
Financing Receivables, 60 to 89 Days Past Due [Member] | Acquired Loans [Member] | Home equity - junior lien [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Financing Receivable, Recorded Investment, Past Due | 0 | 0
Financing Receivables, 60 to 89 Days Past Due [Member] | Acquired Loans [Member] | Commercial And Industrial [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Financing Receivable, Recorded Investment, Past Due | 0 | 0
Financing Receivables, 60 to 89 Days Past Due [Member] | Acquired Loans [Member] | Commercial Real Estate [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Financing Receivable, Recorded Investment, Past Due | 84 | 210
Financing Receivables, 60 to 89 Days Past Due [Member] | Acquired Loans [Member] | Consumer Loan [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Financing Receivable, Recorded Investment, Past Due | 10 | 36
Financing Receivables, 60 to 89 Days Past Due [Member] | Acquired Loans [Member] | Demand Deposit Account Overdrafts [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Financing Receivable, Recorded Investment, Past Due | 0 | 0
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Financing Receivable, Recorded Investment, Past Due | 264 | 423
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Residential Real Estate [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Financing Receivable, Recorded Investment, Past Due | 211 | 169
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Home equity - junior lien [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Financing Receivable, Recorded Investment, Past Due | 3 | 30
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Commercial And Industrial [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Financing Receivable, Recorded Investment, Past Due | 0 | 210
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Commercial Real Estate [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Financing Receivable, Recorded Investment, Past Due | 0 | 0
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Consumer Loan [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Financing Receivable, Recorded Investment, Past Due | 50 | 14
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Demand Deposit Account Overdrafts [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Financing Receivable, Recorded Investment, Past Due | 0 | 0
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Originated Loans [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Financing Receivable, Recorded Investment, Past Due | 233 | 410
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Originated Loans [Member] | Residential Real Estate [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Financing Receivable, Recorded Investment, Past Due | 211 | 169
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Originated Loans [Member] | Home equity - junior lien [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Financing Receivable, Recorded Investment, Past Due | 3 | 30
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Originated Loans [Member] | Commercial And Industrial [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Financing Receivable, Recorded Investment, Past Due | 0 | 210
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Originated Loans [Member] | Commercial Real Estate [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Financing Receivable, Recorded Investment, Past Due | 0 | 0
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Originated Loans [Member] | Consumer Loan [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Financing Receivable, Recorded Investment, Past Due | 19 | 1
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Originated Loans [Member] | Demand Deposit Account Overdrafts [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Financing Receivable, Recorded Investment, Past Due | 0 | 0
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Acquired Loans [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Financing Receivable, Recorded Investment, Past Due | 31 | 13
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Acquired Loans [Member] | Residential Real Estate [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Financing Receivable, Recorded Investment, Past Due | 0 | 0
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Acquired Loans [Member] | Home equity - junior lien [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Financing Receivable, Recorded Investment, Past Due | 0 | 0
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Acquired Loans [Member] | Commercial And Industrial [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Financing Receivable, Recorded Investment, Past Due | 0 | 0
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Acquired Loans [Member] | Commercial Real Estate [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Financing Receivable, Recorded Investment, Past Due | 0 | 0
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Acquired Loans [Member] | Consumer Loan [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Financing Receivable, Recorded Investment, Past Due | 31 | 13
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Acquired Loans [Member] | Demand Deposit Account Overdrafts [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Financing Receivable, Recorded Investment, Past Due | $ 0 | $ 0

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