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 | |||