Allowance for Credit Losses on Loans (Allowance for Credit Losses on Loans Rollforward Analysis) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning Balance	$ 41,057
Charge-offs	(2,413)	$ (577)	$ (184)
Provision for credit losses	2,400	3,200	(1,300)
Ending Balance	41,960	41,057
Commercial real estate
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning Balance	24,144	18,435	18,933
Charge-offs	(1,961)	(373)	0
Recoveries	0	0	445
Provision for credit losses	4,302	6,082	(943)
Ending Balance	26,485	24,144	18,435
Commercial & industrial
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning Balance	8,088	10,356	10,832
Charge-offs	(208)	(37)	(36)
Recoveries	22	12	29
Provision for credit losses	(625)	(2,243)	(469)
Ending Balance	7,277	8,088	10,356
Total commercial
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning Balance	32,232	28,791	29,765
Charge-offs	(2,169)	(410)	(36)
Recoveries	22	12	474
Provision for credit losses	3,677	3,839	(1,412)
Ending Balance	33,762	32,232	28,791
Residential real estate
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning Balance	7,403	7,740	7,860
Charge-offs	0	0	0
Recoveries	160	3	21
Provision for credit losses	(731)	(340)	(141)
Ending Balance	6,832	7,403	7,740
Home Equity
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning Balance	1,048	1,115	1,069
Charge-offs	0	0	0
Recoveries	197	10	12
Provision for credit losses	(214)	(77)	34
Ending Balance	1,031	1,048	1,115
Other Consumer
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning Balance	374	381	394
Charge-offs	(244)	(167)	(148)
Recoveries	37	32	45
Provision for credit losses	168	128	90
Ending Balance	335	374	381
Total Consumer [Member]
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning Balance	1,422	1,496	1,463
Charge-offs	(244)	(167)	(148)
Recoveries	234	42	57
Provision for credit losses	(46)	51	124
Ending Balance	1,366	1,422	1,496
Total
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning Balance	41,057	38,027	39,088
Charge-offs	(2,413)	(577)	(184)
Recoveries	416	57	552
Provision for credit losses	2,900	3,550	(1,429)
Ending Balance	$ 41,960	$ 41,057	$ 38,027