Financial Instruments (Summary Of Unrealized Gain And Losses) (Details) - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2024 |
Sep. 30, 2023 |
Sep. 30, 2024 |
Sep. 30, 2023 |
|
| Financial Instruments [Abstract] | ||||
| Net gain recognized during the period on equity securities | $ 365 | $ 155 | $ 984 | $ 497 |
| Less: net gain recognized during the period on equity securities sold during the period | ||||
| Unrealized gain recognized during the reporting period on equity securities still held at the reporting date | $ 365 | $ 155 | $ 984 | $ 497 |