Percentage of inflation rate used in estimating reclamation and closure costs.

No definition available.

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- Definition

Percentage of risk free interest rate used in estimating reclamation and closure costs.

+ References

No definition available.

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- Definition

Amount of payment of cash collateral.

+ References

No definition available.

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- Definition

Total costs accrued as of the balance sheet date for environmental loss contingencies.

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- Definition

Amount of cash outflow to settle environmental loss contingencies.

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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.

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- Definition

The amount of an asset, typically cash, provided to a counterparty to provide certain assurance of performance by the entity pursuant to the terms of a written or oral agreement, such as a lease.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Reclamation Liability (Details) - USD ($) $ in Thousands	12 Months Ended
Reclamation Liability (Details) - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2021	Dec. 31, 2023
Reclamation Liability
Work performed on early action items		$ 2,289
Environmental reclamation liability	$ 534
Asset retirement obligations	$ 534	0
Risk free interest rate	7.00%
Inflation rate	2.70%
Administrative Settlement Agreement and Order on Consent
Reclamation Liability
Work performed on early action items	$ 0	2,289
Environmental reclamation liability	0	$ 0		$ 765
Payment for cash collateral	$ 7,500
Cash collateral for a surety bond			$ 3,000