Other, Net - Summary of Pre-development, reclamation and other (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Other Income and Expenses [Abstract]
Covid-19 Related Costs	$ 294	$ 617	$ 1,585	$ 5,937
Care and maintenance costs	4,628	5,589	15,542	18,957
Pre-development, reclamation, and other	9,249	10,506	29,839	36,956
Other Operating Income (Expense), Net	730	1,273	2,124	3,164
Accretion	$ 3,597	$ 3,027	$ 10,588	$ 8,898

Costs incurred related to a mine's care and maintenance activities.

No definition available.

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- Definition

Costs incurred to comply with the Company’s COVID-19 health and safety protocols

+ References

No definition available.

+ Details

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- Definition

Pre-development.

+ References

No definition available.

+ Details

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- Definition

Amount of accretion expense recognized during the period that is associated with an asset retirement obligation. Accretion expense measures and incorporates changes due to the passage of time into the carrying amount of the liability.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 410
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (c)(3)
-URI http://asc.fasb.org/extlink&oid=6392692&loc=d3e7535-110849

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 410
-SubTopic 20
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6392676&loc=d3e7480-110848

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- References

No definition available.

+ Details

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- Definition

The net amount of other operating income and expenses, the components of which are not separately disclosed on the income statement, from items that are associated with the entity's normal revenue producing operations.

+ References

No definition available.

+ Details

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