Derivatives (Schedule Of Gains (Losses) Recorded In Accumulated Other Comprehensive Income And The Consolidated Statements Of Income) (Details) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Derivative Instruments, Gain (Loss) [Line Items]
Amount of loss recognized in OCI (effective portion)		$ (494)	$ (2,627)	$ (4,768)	$ (4,241)
Amount of loss reclassified from OCI to interest expense	[1]	856	114	1,366	183
Cash Flow Hedging [Member] | Interest Rate Contracts [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of loss recognized in OCI (effective portion)		494	2,627	4,768	4,241
Amount of loss reclassified from OCI to interest expense		$ 856	$ 114	$ 1,366	$ 183

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