Derivatives (Schedule Of Gains (Losses) Recorded In Accumulated Other Comprehensive Income And The Consolidated Statements Of Income) (Details) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2019	Dec. 31, 2018
Derivative Instruments, Gain (Loss) [Line Items]
Amount of gain (loss) recognized in OCI (effective portion)		$ (4,116)	$ (1,607)
Amount of loss reclassified from OCI to interest expense	[1]	827	477
Cash Flow Hedging [Member] | Interest Rate Contracts [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of gain (loss) recognized in OCI (effective portion)		(4,116)	(1,607)
Amount of loss reclassified from OCI to interest expense		$ 827	$ 477

[1] Represents the net interest expense recorded on derivative transactions and included in the consolidated statements of income under “Interest expense.”