Securities (Summary Of Maturities, Amortized Cost And Estimated Fair Values Of Securities) (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Debt Securities, Available-for-sale [Abstract]
Due in one year or less, Amortized Cost	$ 36,971
Due from one to five years, Amortized Cost	78,624
Due from five to ten years, Amortized Cost	57,340
Due after ten years, Amortized Cost	230,530
Total Amortized Cost	403,465	$ 398,643
Due in one year or less, Estimated Fair Value	36,035
Due from one to five years, Estimated Fair Value	76,279
Due from five to ten years, Estimated Fair Value	54,286
Due after ten years, Estimated Fair Value	201,449
Total Estimated Fair Value	$ 368,049	$ 401,103	[1]

[1] Derived from audited consolidated financial statements