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REVENUE - Narrative (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2025 | Jun. 30, 2025 | Dec. 31, 2023 | Sep. 30, 2025 | Sep. 30, 2024
REVENUE |  |  |  |  |
Revenue recognized, included in contract liability balance | $ 600 |  |  | $ 8,200 |
Remaining performance obligations | 111,300 |  |  | 111,300 |
Provision for doubtful accounts |  |  | $ 4,900 | 129 | $ 1,098
Wrote-off |  | $ 3,600 |  |  |
Reserve on the other multi-year project remains | 1,300 |  |  | 1,300 |
Collectible accounts receivable | $ 4,700 |  |  | $ 4,700 |

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