Derivative Financial Instruments (Impact Of Derivative Financial Instruments) (Details) - USD ($) $ in Thousands |
12 Months Ended | |
|---|---|---|
Dec. 31, 2019 |
Dec. 31, 2018 |
|
| Interest Rate Contract [Member] | Cash Flow Hedging [Member] | ||
| Derivative [Line Items] | ||
| Amount of gain or (loss) recognized in OCI on derivative (effective portion) | $ (858) | $ 191 |