Asset Retirement Obligation - Additional Information (Details) - USD ($) $ in Thousands |
3 Months Ended | 12 Months Ended | |
|---|---|---|---|
Mar. 31, 2026 |
Dec. 31, 2025 |
Dec. 31, 2024 |
|
| Asset Retirement Obligation | |||
| Asset retirement obligation | $ 11,290 | $ 10,856 | $ 9,880 |
| Isabella Pearl Mine | |||
| Asset Retirement Obligation | |||
| Off-balance sheet arrangement | 23,100 | 23,100 | |
| Asset retirement obligation | $ 10,800 | $ 10,500 | |
| Risk-free rate | 11.00% | 11.00% | |
| Country Line Property | |||
| Asset Retirement Obligation | |||
| Off-balance sheet arrangement | $ 5,000 | $ 5,000 | |
| Asset retirement obligation | $ 500 | $ 400 | |
| Risk-free rate | 11.00% | 11.00% |