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v3.23.1

Summary Of Significant Accounting Policies (Summary Of Currency Exchange Rates) (Details) | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Australian Dollar [Member] | Spot Rate [Member] |  |  |
Currency Exchange Rates [Line Items] |  |  |
Foreign currency exchange rate | 0.6805 | 0.7260 | 0.7709
Australian Dollar [Member] | Average Rate [Member] |  |  |
Currency Exchange Rates [Line Items] |  |  |
Foreign currency exchange rate | 0.6946 | 0.7517 | 0.6904
New Zealand Dollar [Member] | Spot Rate [Member] |  |  |
Currency Exchange Rates [Line Items] |  |  |
Foreign currency exchange rate | 0.6342 | 0.6839 | 0.7194
New Zealand Dollar [Member] | Average Rate [Member] |  |  |
Currency Exchange Rates [Line Items] |  |  |
Foreign currency exchange rate | 0.6357 | 0.7077 | 0.6504

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