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Loans and Credit Quality (Allocation of Allowance for Loan Losses and Related Loan Portfolio) (Details) - USD ($) $ in Thousands	Jun. 30, 2026	Mar. 31, 2026	Dec. 31, 2025	Jun. 30, 2025	Mar. 31, 2025	Dec. 31, 2024
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for Loan Losses, Ending Balance	$ 12,456	$ 12,096	$ 12,039	$ 11,905	$ 12,222	$ 12,166
Related Allowance for Credit Losses	262		115
Allowance for Loan Losses, Ending balance: collectively evaluated for impairment	12,194		11,924
Total Past Due	1,319,329		1,290,260
Loans receivable, Ending balance: individually evaluated for impairment	2,513		2,387
Loans receivable, Ending balance: collectively evaluated for impairment	1,316,816		1,287,873
Collateral Dependent [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Related Allowance for Credit Losses	96		100
Loans receivable, Ending balance: individually evaluated for impairment	2,347		2,372
Non-Collateral Dependent [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Related Allowance for Credit Losses	166		15
Loans receivable, Ending balance: individually evaluated for impairment	166		15
Commercial Real Estate [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for Loan Losses, Ending Balance	5,972	5,943	5,963	5,793	5,985	5,897
Allowance for Loan Losses, Ending balance: collectively evaluated for impairment	5,972		5,963
Total Past Due	563,654		564,829
Loans receivable, Ending balance: individually evaluated for impairment	534		554
Loans receivable, Ending balance: collectively evaluated for impairment	563,120		564,275
Commercial Real Estate [Member] \| Collateral Dependent [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans receivable, Ending balance: individually evaluated for impairment	534		554
Commercial [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for Loan Losses, Ending Balance	618	470	455	461	527	536
Related Allowance for Credit Losses	166		15
Allowance for Loan Losses, Ending balance: collectively evaluated for impairment	452		440
Total Past Due	31,791		30,824
Loans receivable, Ending balance: individually evaluated for impairment	166		15
Loans receivable, Ending balance: collectively evaluated for impairment	31,625		30,809
Commercial [Member] \| Non-Collateral Dependent [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Related Allowance for Credit Losses	166		15
Loans receivable, Ending balance: individually evaluated for impairment	166		15
Commercial [Member] \| Construction [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for Loan Losses, Ending Balance	118	100	64	194	247	257
Allowance for Loan Losses, Ending balance: collectively evaluated for impairment	118		64
Total Past Due	11,563		6,298
Loans receivable, Ending balance: individually evaluated for impairment	55		55
Loans receivable, Ending balance: collectively evaluated for impairment	11,508		6,243
Commercial [Member] \| Construction [Member] \| Collateral Dependent [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans receivable, Ending balance: individually evaluated for impairment	55		55
Residential Real Estate [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for Loan Losses, Ending Balance	5,718	5,552	5,530	5,434	5,433	5,446
Related Allowance for Credit Losses	96		100
Allowance for Loan Losses, Ending balance: collectively evaluated for impairment	5,622		5,430
Total Past Due	711,878		687,689
Loans receivable, Ending balance: individually evaluated for impairment	1,758		1,763
Loans receivable, Ending balance: collectively evaluated for impairment	710,120		685,926
Residential Real Estate [Member] \| Collateral Dependent [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Related Allowance for Credit Losses	96		100
Loans receivable, Ending balance: individually evaluated for impairment	1,758		1,763
Consumer [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for Loan Losses, Ending Balance	30	$ 31	27	$ 23	$ 30	$ 30
Allowance for Loan Losses, Ending balance: collectively evaluated for impairment	30		27
Total Past Due	443		620
Loans receivable, Ending balance: collectively evaluated for impairment	$ 443		$ 620