Loans and Allowance for Credit Losses on Loans (Activity in Allowance for Loan Losses by Portfolio Segment) (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2022	Dec. 31, 2021
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Financing Receivable, Allowance for Credit Loss, Beginning Balance	$ 33,256	$ 37,865
Loans charged-off	(1,242)	(1,164)
Recoveries	478	372
Provision (credit)	4,430	(3,817)
Financing Receivable, Allowance for Credit Loss, Ending Balance	36,922	33,256
Loans	4,010,353	3,431,474
Commercial
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Financing Receivable, Allowance for Credit Loss, Beginning Balance	4,183	6,703
Loans charged-off	(1,042)	(799)
Recoveries	379	220
Provision (credit)	1,925	(1,941)
Financing Receivable, Allowance for Credit Loss, Ending Balance	5,445	4,183
Loans	429,499	363,695
Residential real estate
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Financing Receivable, Allowance for Credit Loss, Beginning Balance	6,133	3,474
Loans charged-off	(66)	(92)
Recoveries	0	107
Provision (credit)	3,022	2,644
Financing Receivable, Allowance for Credit Loss, Ending Balance	9,089	6,133
Loans	1,700,266	1,306,447
Home equity
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Financing Receivable, Allowance for Credit Loss, Beginning Balance	1,469	2,616
Loans charged-off	0	(162)
Recoveries	87	4
Provision (credit)	669	(989)
Financing Receivable, Allowance for Credit Loss, Ending Balance	2,225	1,469
Loans	234,428	210,403
Consumer
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Financing Receivable, Allowance for Credit Loss, Beginning Balance	79	393
Loans charged-off	(134)	(111)
Recoveries	7	32
Provision (credit)	552	(235)
Financing Receivable, Allowance for Credit Loss, Ending Balance	504	79
Loans	$ 20,591	$ 19,516

Amount of allowance for credit loss on financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement.

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Amount of increase in allowance for credit loss on financing receivable from recovery.

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Amount of writeoff of financing receivable, charged against allowance for credit loss.

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Amount before allowance and after deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements.

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Amount of expense related to estimated loss from loan and lease transactions.

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