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Loans and Allowance for Credit Losses on Loans (Activity in Allowance for Loan Losses by Portfolio Segment) (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022
Financing Receivable, Allowance for Credit Losses [Roll Forward] |  |
Financing Receivable, Allowance for Credit Loss, Beginning Balance | $ 36,922 | $ 33,256
Loans charged-off | (1,727) | (1,242)
Recoveries | 566 | 478
Provision (credit) | 1,174 | 4,430
Financing Receivable, Allowance for Credit Loss, Ending Balance | 36,935 | 36,922
Loans | 4,098,094 | 4,010,353
Commercial |  |
Financing Receivable, Allowance for Credit Losses [Roll Forward] |  |
Financing Receivable, Allowance for Credit Loss, Beginning Balance | 5,446 | 4,202
Loans charged-off | (1,560) | (1,042)
Recoveries | 471 | 379
Provision (credit) | 512 | 1,907
Financing Receivable, Allowance for Credit Loss, Ending Balance | 4,869 | 5,446
Loans | 403,901 | 430,131
Residential Portfolio Segment [Member] |  |
Financing Receivable, Allowance for Credit Losses [Roll Forward] |  |
Financing Receivable, Allowance for Credit Loss, Beginning Balance | 9,089 | 6,133
Loans charged-off | (18) | (66)
Recoveries | 44 | 0
Provision (credit) | 1,139 | 3,022
Financing Receivable, Allowance for Credit Loss, Ending Balance | 10,254 | 9,089
Loans | 1,763,378 | 1,700,266
Home equity |  |
Financing Receivable, Allowance for Credit Losses [Roll Forward] |  |
Financing Receivable, Allowance for Credit Loss, Beginning Balance | 2,225 | 1,469
Loans charged-off | 0 | 0
Recoveries | 1 | 87
Provision (credit) | (9) | 669
Financing Receivable, Allowance for Credit Loss, Ending Balance | 2,217 | 2,225
Loans | 240,341 | 234,428
Consumer |  |
Financing Receivable, Allowance for Credit Losses [Roll Forward] |  |
Financing Receivable, Allowance for Credit Loss, Beginning Balance | 504 | 79
Loans charged-off | (91) | (134)
Recoveries | 31 | 7
Provision (credit) | 280 | 552
Financing Receivable, Allowance for Credit Loss, Ending Balance | 724 | 504
Loans | $ 18,168 | $ 20,591

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