Securities (Schedule Of Gross Unrealized Losses And Fair Value, Aggregated By Investment Category And Length Of Time) (Details) $ in Thousands	Sep. 30, 2020 USD ($) security	Dec. 31, 2019 USD ($) security
Schedule of Available-for-sale Securities [Line Items]
Total temporarily impaired debt securities, available-for-sale, Less than 12 months, Number of Securities | security	17	14
Total temporarily impaired debt securities, available-for-sale, Less than 12 months, Fair Value	$ 52,211	$ 27,270
Total temporarily impaired debt securities, available-for-sale, Less than 12 months, Unrealized Losses	$ (46)	$ (100)
Total temporarily impaired debt securities, available-for-sale, 12 months or more, Number of Securities | security	0	4
Total temporarily impaired debt securities, available-for-sale, 12 months or more, Fair Value	$ 0	$ 11,103
Total temporarily impaired debt securities, available-for-sale, 12 months or more, Unrealized Losses	$ 0	$ (65)
Total temporarily impaired debt securities, available-for-sale, Total, Number of Securities | security	17	18
Total temporarily impaired debt securities, available-for-sale, Total, Fair Value	$ 52,211	$ 38,373
Total temporarily impaired debt securities, available-for-sale, Total, Unrealized Losses	$ (46)	$ (165)
U.S. Agency [Member]
Schedule of Available-for-sale Securities [Line Items]
Total temporarily impaired debt securities, available-for-sale, Less than 12 months, Number of Securities | security	7	1
Total temporarily impaired debt securities, available-for-sale, Less than 12 months, Fair Value	$ 44,996	$ 4,983
Total temporarily impaired debt securities, available-for-sale, Less than 12 months, Unrealized Losses	$ (1)	$ (17)
Total temporarily impaired debt securities, available-for-sale, 12 months or more, Number of Securities | security	0	2
Total temporarily impaired debt securities, available-for-sale, 12 months or more, Fair Value	$ 0	$ 9,940
Total temporarily impaired debt securities, available-for-sale, 12 months or more, Unrealized Losses	$ 0	$ (60)
Total temporarily impaired debt securities, available-for-sale, Total, Number of Securities | security	7	3
Total temporarily impaired debt securities, available-for-sale, Total, Fair Value	$ 44,996	$ 14,923
Total temporarily impaired debt securities, available-for-sale, Total, Unrealized Losses	$ (1)	$ (77)
U.S. Agency Mortgage-Backed, Residential [Member]
Schedule of Available-for-sale Securities [Line Items]
Total temporarily impaired debt securities, available-for-sale, Less than 12 months, Number of Securities | security	5	12
Total temporarily impaired debt securities, available-for-sale, Less than 12 months, Fair Value	$ 4,407	$ 21,821
Total temporarily impaired debt securities, available-for-sale, Less than 12 months, Unrealized Losses	$ (20)	$ (82)
Total temporarily impaired debt securities, available-for-sale, 12 months or more, Number of Securities | security	0	2
Total temporarily impaired debt securities, available-for-sale, 12 months or more, Fair Value	$ 0	$ 1,163
Total temporarily impaired debt securities, available-for-sale, 12 months or more, Unrealized Losses	$ 0	$ (5)
Total temporarily impaired debt securities, available-for-sale, Total, Number of Securities | security	5	14
Total temporarily impaired debt securities, available-for-sale, Total, Fair Value	$ 4,407	$ 22,984
Total temporarily impaired debt securities, available-for-sale, Total, Unrealized Losses	$ (20)	$ (87)
State And Municipal [Member]
Schedule of Available-for-sale Securities [Line Items]
Total temporarily impaired debt securities, available-for-sale, Less than 12 months, Number of Securities | security	5	1
Total temporarily impaired debt securities, available-for-sale, Less than 12 months, Fair Value	$ 2,808	$ 466
Total temporarily impaired debt securities, available-for-sale, Less than 12 months, Unrealized Losses	$ (25)	$ (1)
Total temporarily impaired debt securities, available-for-sale, 12 months or more, Number of Securities | security	0	0
Total temporarily impaired debt securities, available-for-sale, 12 months or more, Fair Value	$ 0	$ 0
Total temporarily impaired debt securities, available-for-sale, 12 months or more, Unrealized Losses	$ 0	$ 0
Total temporarily impaired debt securities, available-for-sale, Total, Number of Securities | security	5	1
Total temporarily impaired debt securities, available-for-sale, Total, Fair Value	$ 2,808	$ 466
Total temporarily impaired debt securities, available-for-sale, Total, Unrealized Losses	$ (25)	$ (1)