Financial Instruments (Summary Of Unrealized Gain And Losses) (Details) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2025 |
Jun. 30, 2024 |
Jun. 30, 2025 |
Jun. 30, 2024 |
|
| Financial Instruments [Abstract] | ||||
| Net gain/(loss) recognized during the period on equity securities | $ (29) | $ 197 | $ 622 | $ 618 |
| Less: net gain recognized during the period on equity securities sold during the period | ||||
| Unrealized gain/(loss) recognized during the reporting period on equity securities still held at the reporting date | $ (29) | $ 197 | $ 622 | $ 618 |