Borrowed Funds (Summary Of Long-Term Borrowings) (Details) - USD ($)	Dec. 31, 2018	Dec. 31, 2017
Debt Disclosure [Abstract]
Long-term FHLB advances	$ 735,000	$ 751,000
Long-term repurchase agreements	0	45,000,000
Total	$ 735,000	$ 45,751,000