Borrowed Funds (Summary Of Short-Term Borrowings) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Debt Instrument [Line Items]
Balance at December 31	$ 140,146	$ 140,146
Short-term FHLB Advances [Member]
Debt Instrument [Line Items]
Balance at December 31	140,000	140,000
Average balance outstanding for the period	140,000	130,241
Maximum balance outstanding at any month end during period	$ 140,000	$ 215,700
Weighted average interest rate for the period	0.33%	0.67%
Weighted average interest rate for balances outstanding	0.26%	0.35%