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Summary Of Significant Accounting Policies (Narrative) (Details) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2021 AUD ($) | Mar. 31, 2021 USD ($) | Mar. 31, 2020 USD ($)
Summary Of Significant Accounting Policies [Line Items] |  |  |
Subsidies received | $ 2.8 | $ 2,200,000 | $ 0
New Zealand [Member] |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |
Subsidies received |  | $ 0 |

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- Definition Amount Of Government Grants And Assistance Received + References No definition available. + Details
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- Definition Summary Of Significant Accounting Policies [Line Items] + References No definition available. + Details
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- Details
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