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Commitments and Contingencies (Details)
$ in Thousands, $ in Millions
6 Months Ended
Jun. 30, 2024
AUD ($)
Jun. 30, 2024
USD ($)
Maximum | Mexican Tax Authority [Member] | Subsidiaries [Member]    
Loss Contingencies [Line Items]    
Estimate of Possible Loss   $ 2,000
Mt Todd, Australia | Scenario, Plan    
Loss Contingencies [Line Items]    
Mine Reclamation and Closing Liability, Noncurrent $ 73  
Mt Todd, Australia | Scenario, Plan | Jawoyn Association Aboriginal Corporation    
Loss Contingencies [Line Items]    
Percentage of royalty on gold 1.00%  
Mt Todd, Australia | Scenario, Plan | Minimum | Jawoyn Association Aboriginal Corporation    
Loss Contingencies [Line Items]    
Gross Proceeds Royalty, Additional Contingent Gross Proceeds Royalty, Percent 0.125% 0.125%
Gross Proceeds Royalty, Including Contingent Additional Gross Proceeds Royalty, Percent 1.125% 1.125%
Mt Todd, Australia | Scenario, Plan | Maximum | Jawoyn Association Aboriginal Corporation    
Loss Contingencies [Line Items]    
Gross Proceeds Royalty, Additional Contingent Gross Proceeds Royalty, Percent 2.00% 2.00%
Gross Proceeds Royalty, Including Contingent Additional Gross Proceeds Royalty, Percent 3.00% 3.00%