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Commitments And Contingencies (Details) $ in Thousands	12 Months Ended
	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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Cash payment to affiliate as percentage of value of annual gold production from current mining leases.

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Minimum payment per year.

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- Definition

Represents the percentage of ownership by the entity in the project.

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Percentage of royalty on other metals.

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