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Reclamation and Remediation - Narrative (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Undiscounted reclamation liabilities	$ 1,949	$ 1,833	$ 1,890
Asset Retirement Obligation	8,417	1,279	$ 1,208
Exploration reclamation liability	10,366	3,112
Increase in estimated liability	6,400
Don David Gold Mine
Undiscounted reclamation liabilities	$ 1,900	1,800
Reclamation and remediation discount rate	8.00%
Asset Retirement Obligation	$ 8,400	1,300
Back Forty Project
Exploration reclamation liability	$ 400	$ 600

X

- Definition

Amount of increase in estimated liability.

+ References

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- Definition

Reclamation And Remediation Discount Rate

+ References

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- Definition

Reclamation Liabilities

+ References

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- Definition

The carrying amount of a liability for an asset retirement obligation. An asset retirement obligation is a legal obligation associated with the disposal or retirement of a tangible long-lived asset that results from the acquisition, construction or development, or the normal operations of a long-lived asset, except for certain obligations of lessees.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 410
-SubTopic 20
-Section 25
-Paragraph 4
-URI https://asc.fasb.org/extlink&oid=116646717&loc=d3e6290-110844

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 410
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI https://asc.fasb.org/extlink&oid=6392692&loc=d3e7535-110849

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- Definition

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.

+ References

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