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v3.26.1

Restricted cash - Narrative (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2026 | Jun. 30, 2025 | Jun. 30, 2026 | Jun. 30, 2025 | Dec. 31, 2025
Restricted Cash and Cash Equivalent Item [Line Items] |  |  |  |  |
Restricted cash | $ 14,483 |  | $ 14,483 |  | $ 22,493
Guarantor obligations | 58,900 |  | 58,900 |  | 58,900
Interest income | 1,788 | $ 687 | 3,684 | $ 1,400 |
Surety bond cash collateral |  |  |  |  |
Restricted Cash and Cash Equivalent Item [Line Items] |  |  |  |  |
Restricted cash | 14,400 |  | 14,400 |  | $ 22,400
Restricted Cash |  |  |  |  |
Restricted Cash and Cash Equivalent Item [Line Items] |  |  |  |  |
Interest income | 100 | $ 300 | 300 | $ 500 |
Surety bond, Hycroft Mine financial requirements |  |  |  |  |
Restricted Cash and Cash Equivalent Item [Line Items] |  |  |  |  |
Guarantor obligations | 58,300 |  | 58,300 |  |
Surety Bond, Hycroft Mine financial requirements, water well field and exploration |  |  |  |  |
Restricted Cash and Cash Equivalent Item [Line Items] |  |  |  |  |
Guarantor obligations | $ 600 |  | $ 600 |  |

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- Definition The current carrying amount of the liability for the freestanding or embedded guarantor's obligations under the guarantee or each group of similar guarantees. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 460 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482425/460-10-50-4 + Details
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