Derivatives (Schedule Of Gains (Losses) Recorded In Accumulated Other Comprehensive Income And The Consolidated Statements Of Income) (Details) - Cash Flow Hedging [Member] - Interest Rate Contract [Member] $ in Thousands	12 Months Ended
	Dec. 31, 2018 USD ($)
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain/(Loss) Recognized in OCI (Effective Portion)	$ (1,607)
Amount of Loss Reclassified from OCI to Interest Expense	$ 477