Loans and Allowance for Credit Losses on Loans (Activity in Allowance for Credit Losses on Loans by Portfolio Segment) (Details) - USD ($) $ in Thousands	12 Months Ended
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
Commercial real estate, non owner-occupied
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Financing Receivable, Allowance for Credit Loss, Beginning Balance	17,296	18,834
Loans charged-off	0	0
Recoveries	19	3
Provision (credit)	(734)	(1,541)
Financing Receivable, Allowance for Credit Loss, Ending Balance	16,581	17,296
Commercial real estate, owner-occupied
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Financing Receivable, Allowance for Credit Loss, Beginning Balance	2,362	2,539
Loans charged-off	(58)	0
Recoveries	0	2
Provision (credit)	(14)	(179)
Financing Receivable, Allowance for Credit Loss, Ending Balance	2,290	2,362
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
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
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
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

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

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