Derivative Financial Instruments (Impact Of Derivative Financial Instruments) (Details) - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2020 |
Sep. 30, 2019 |
Sep. 30, 2020 |
Sep. 30, 2019 |
|
| Interest Rate Contract [Member] | Cash Flow Hedging [Member] | ||||
| Derivative [Line Items] | ||||
| Amount of gain or (loss) recognized in OCI on derivative (effective portion) | $ 72 | $ (239) | $ (972) | $ (1,040) |