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Commitments and Contingencies (Details) - Mt Todd, Australia - Scenario, Plan $ in Millions	3 Months Ended
	Mar. 31, 2023 AUD ($)
Loss Contingencies [Line Items]
Mine Reclamation and Closing Liability, Noncurrent	$ 73
Jawoyn Association Aboriginal Corporation
Loss Contingencies [Line Items]
Percentage of royalty on gold	1.00%
Minimum | Jawoyn Association Aboriginal Corporation
Loss Contingencies [Line Items]
Gross Proceeds Royalty, Additional Contingent Gross Proceeds Royalty, Percent	0.125%
Gross Proceeds Royalty, Including Contingent Additional Gross Proceeds Royalty, Percent	1.125%
Maximum | Jawoyn Association Aboriginal Corporation
Loss Contingencies [Line Items]
Gross Proceeds Royalty, Additional Contingent Gross Proceeds Royalty, Percent	2.00%
Gross Proceeds Royalty, Including Contingent Additional Gross Proceeds Royalty, Percent	3.00%

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Amount of a reclamation and mine closing liability that is associated with a legal obligation for the closure and reclamation of a mine including the removal of buildings, equipment, machinery and other physical remnants of mining, closure of tailings impoundments, leach pads and other mine features, and contouring, covering and revegetation of waste rock piles and other disturbed areas.

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Cash payment to affiliate as percentage of value of annual gold production from current mining leases.

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Royalty payment to affiliate as percentage of the gross proceeds value of annual gold production from current mining leases, including additional gross proceeds.

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