Hedge Accounting (Schedule Of Derivative Instruments On The Balance Sheet At Fair Value) (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Derivatives, Fair Value [Line Items]
Derivative financial instruments - current portion	$ 181	$ 218
Derivative financial instruments - non-current portion		212
Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Interest rate cap asset, Book Value	112
Total derivatives designated as heding instruments	208
Derivative financial instruments - non-current portion		212
Total derivatives designated as hedging instruments	181	430
Interest Rate Contracts [Member] \| Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset, Current	96
Derivative financial instruments - current portion	$ 181	$ 218

Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and not elected to be offset.

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