Operations In Foreign Currency (Summary Of Currency Exchange Rates) (Details) |
3 Months Ended | 12 Months Ended | |
|---|---|---|---|
Mar. 31, 2026 |
Mar. 31, 2025 |
Dec. 31, 2025 |
|
| Australian Dollar [Member] | Spot Rate [Member] | |||
| Currency Exchange Rates [Line Items] | |||
| Foreign currency exchange rate | 0.6855 | 0.6236 | 0.6669 |
| Australian Dollar [Member] | Average Rate [Member] | |||
| Currency Exchange Rates [Line Items] | |||
| Foreign currency exchange rate | 0.6956 | 0.6277 | 0.6449 |
| New Zealand Dollar [Member] | Spot Rate [Member] | |||
| Currency Exchange Rates [Line Items] | |||
| Foreign currency exchange rate | 0.5710 | 0.5666 | 0.5755 |
| New Zealand Dollar [Member] | Average Rate [Member] | |||
| Currency Exchange Rates [Line Items] | |||
| Foreign currency exchange rate | 0.5903 | 0.5680 | 0.5819 |