Loans And The Allowance For Credit Losses (Schedule Of Loan Portfolio Composition) (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023	Jun. 30, 2023	Mar. 31, 2023	Dec. 31, 2022
Accounts, Notes, Loans and Financing Receivable [Line Items]
Unaccreted yield adjustments	$ 1,107	$ 863
Total Balance	1,721,876	1,720,946
Allowance for credit losses	(22,287)	(22,114)
Loans, net	1,699,589	1,698,832
Residential Mortgages [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Balance	444,069	446,851
Commercial Real Estate Mortgages [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Balance	971,926	969,861
Home Equities [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Balance	78,935	80,156
Commercial And Industrial [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total gross loans	225,947	223,100
Total Balance	225,936	223,089
Consumer And Other Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total gross loans	776	1,066
Total Balance	1,010	989
Total Real Estate Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total gross loans	1,722,983	1,721,809
Allowance for credit losses	(22,287)	(22,114)	$ (22,114)	$ (21,523)	$ (19,438)
Total Real Estate Loans [Member] | Mortgages [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total gross loans	1,496,260	1,497,643
Total Real Estate Loans [Member] | Residential Mortgages [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total gross loans	444,164	447,043
Allowance for credit losses	(4,063)	(3,883)	(3,883)	(3,378)	(2,102)
Total Real Estate Loans [Member] | Residential Mortgages [Member] | Mortgages [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total gross loans	440,675	443,788
Total Balance	440,580	443,587
Total Real Estate Loans [Member] | Residential Mortgages [Member] | Construction [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total gross loans	3,489	3,255
Total Balance	3,489	3,264
Total Real Estate Loans [Member] | Commercial Real Estate Mortgages [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total gross loans	971,976	969,188
Allowance for credit losses	(12,547)	(12,548)	(12,548)	(12,554)	(11,595)
Total Real Estate Loans [Member] | Commercial Real Estate Mortgages [Member] | Mortgages [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total gross loans	857,107	854,565
Total Balance	856,775	854,869
Total Real Estate Loans [Member] | Commercial Real Estate Mortgages [Member] | Construction [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total gross loans	114,869	114,623
Total Balance	115,151	114,992
Total Real Estate Loans [Member] | Home Equities [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total gross loans	80,120	81,412
Total Balance	78,935	80,156
Allowance for credit losses	(353)	(434)	(434)	(320)	(608)
Total Real Estate Loans [Member] | Home Equities [Member] | Mortgages [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total gross loans	80,120	81,412
Total Real Estate Loans [Member] | Commercial And Industrial [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total gross loans	225,947	223,100
Allowance for credit losses	(5,315)	(5,241)	(5,241)	(5,267)	(4,980)
Total Real Estate Loans [Member] | Consumer And Other Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total gross loans	776	1,066
Allowance for credit losses	$ (9)	$ (8)	$ (8)	$ (4)	$ (153)