COVID-19 (Schedule Of COVID-19 Payment Accommodations Based On Loan Type And Amount) (Details) $ in Thousands	6 Months Ended	12 Months Ended
	Jun. 30, 2021 USD ($) loan	Dec. 31, 2020 USD ($) loan
Loans amount	$ 1,107,105	$ 1,089,618
Commercial real estate [Member]
Loans amount	453,147	452,251
Commercial [Member]
Loans amount	43,763	48,114
Residential real estate [Member]
Loans amount	598,721	576,437
Consumer [Member]
Loans amount	$ 694	$ 640
COVID-19 CARES Act Section 4013 Loans [Member]
Number of Loans | loan	223	255
Loans amount	$ 133,616	$ 151,308
COVID-19 CARES Act Section 4013 Loans [Member] | Commercial real estate [Member]
Number of Loans | loan	126	137
Loans amount	$ 116,425	$ 128,846
COVID-19 CARES Act Section 4013 Loans [Member] | Commercial [Member]
Number of Loans | loan	35	44
Loans amount	$ 4,713	$ 8,197
COVID-19 CARES Act Section 4013 Loans [Member] | Residential real estate [Member]
Number of Loans | loan	60	72
Loans amount	$ 12,451	$ 14,234
COVID-19 CARES Act Section 4013 Loans [Member] | Consumer [Member]
Number of Loans | loan	2	2
Loans amount	$ 27	$ 31
COVID-19 CARES Act Section 4013 Loans [Member] | Loans Payment Accommodation Period Ended [Member]
Number of Loans | loan	223	243
Loans amount	$ 133,616	$ 133,009
COVID-19 CARES Act Section 4013 Loans [Member] | Loans Payment Accommodation Period Ended [Member] | Commercial real estate [Member]
Number of Loans | loan	126	130
Loans amount	$ 116,425	$ 112,016
COVID-19 CARES Act Section 4013 Loans [Member] | Loans Payment Accommodation Period Ended [Member] | Commercial [Member]
Number of Loans | loan	35	43
Loans amount	$ 4,713	$ 7,445
COVID-19 CARES Act Section 4013 Loans [Member] | Loans Payment Accommodation Period Ended [Member] | Residential real estate [Member]
Number of Loans | loan	60	68
Loans amount	$ 12,451	$ 13,517
COVID-19 CARES Act Section 4013 Loans [Member] | Loans Payment Accommodation Period Ended [Member] | Consumer [Member]
Number of Loans | loan	2	2
Loans amount	$ 27	$ 31
COVID-19 CARES Act Section 4013 Loans [Member] | Loans Payment Accommodation Period Active [Member]
Number of Loans | loan		12
Loans amount		$ 18,299
COVID-19 CARES Act Section 4013 Loans [Member] | Loans Payment Accommodation Period Active [Member] | Commercial real estate [Member]
Number of Loans | loan		7
Loans amount		$ 16,830
COVID-19 CARES Act Section 4013 Loans [Member] | Loans Payment Accommodation Period Active [Member] | Commercial [Member]
Number of Loans | loan		1
Loans amount		$ 752
COVID-19 CARES Act Section 4013 Loans [Member] | Loans Payment Accommodation Period Active [Member] | Residential real estate [Member]
Number of Loans | loan		4
Loans amount		$ 717