Goodwill And Other Intangible Assets (Schedule Of Changes In Carrying Amount Of Goodwill And Net Other Intangible Assets) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Goodwill and Intangible Assets [Roll Forward]
Goodwill, Acquired During Period			$ 7,600
Amortization	$ 344	$ 456	1,100	$ 1,600
Goodwill
Goodwill and Intangible Assets [Roll Forward]
Balance January 1			138,921
Goodwill, Acquired During Period			7,618
Originations			0
Amortization			0
Balance September 30, 2023	146,539		146,539
Easement
Goodwill and Intangible Assets [Roll Forward]
Balance January 1			3,600
Goodwill, Acquired During Period			0
Originations			0
Amortization			0
Balance September 30, 2023	3,600		3,600
Core Deposit Premium
Goodwill and Intangible Assets [Roll Forward]
Balance January 1			705
Goodwill, Acquired During Period			0
Originations			0
Amortization			(194)
Balance September 30, 2023	511		511
Mortgage Servicing Rights
Goodwill and Intangible Assets [Roll Forward]
Balance January 1			10,929
Goodwill, Acquired During Period			0
Originations			251
Amortization			(859)
Balance September 30, 2023	$ 10,321		$ 10,321