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FINANCIAL INSTRUMENTS - Net values and estimated fair values of debt (Details) - USD ($) $ in Thousands | Jun. 30, 2026 | Dec. 31, 2025 | Jun. 30, 2025
--- | --- | --- | ---
Net Value and Fair value of Debt |  |  |
Debt, net value | $ 351,576 | $ 350,813 |
Debt, fair value | 365,631 | 328,821 |
10.75% Notes |  |  |
Net Value and Fair value of Debt |  |  |
Debt, net value | 343,418 | 342,355 |
Debt, fair value | $ 357,420 | $ 320,208 |
Debt instrument, interest rate, stated percentage | 10.75% | 10.75% | 10.75%
TVPX Loan |  |  |
Net Value and Fair value of Debt |  |  |
Debt, net value | $ 8,158 | $ 8,458 |
Debt, fair value | $ 8,211 | $ 8,613 |

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