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Commitments And Contingencies (Details) $ in Thousands | 12 Months Ended
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Dec. 31, 2019 AUD ($)
Scenario, Plan | Jawoyn Association Aboriginal Corporation |
Loss Contingencies [Line Items] |
Minimum payment per year | $ 50
Mt Todd, Australia |
Loss Contingencies [Line Items] |
Percentage of ownership in project | 100.00%
Mt Todd, Australia | Scenario, Plan |
Loss Contingencies [Line Items] |
Percentage of ownership in project | 90.00%
Mt Todd, Australia | Scenario, Plan | Jawoyn Association Aboriginal Corporation |
Loss Contingencies [Line Items] |
Percentage of ownership in project | 10.00%
Percentage of royalty on gold | 1.00%
Percentage of royalty on other metals | 1.00%

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