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RELATED PARTY TRANSACTIONS - Narrative (Details) - USD ($) $ in Thousands | 1 Months Ended | 3 Months Ended | 9 Months Ended |
--- | --- | --- | --- | ---
Jan. 31, 2024 | Oct. 31, 2023 | Mar. 31, 2022 | Sep. 30, 2024 | Sep. 30, 2023 | Sep. 30, 2024 | Sep. 30, 2023 | Dec. 31, 2023
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |
Purchases from related party |  |  |  | $ 1,800 | $ 5,800 | $ 4,100 | $ 7,600 |
Accounts receivable |  |  |  | 14,549 |  | 14,549 |  | $ 10,029
Related party |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |
Accounts receivable |  |  |  | $ 8,200 |  | $ 8,200 |  | $ 9,200
Offtake Agreement |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |
Initial term |  |  | 2 years |  |  |  |  |
Extension period |  |  | 1 year |  |  |  |  |
VREX Tolling Agreement |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |
Initial term |  | 3 years |  |  |  |  |  |
Extension period |  | 3 years |  |  |  |  |  |
2024 Offtake Agreement |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |
Initial term | 2 years |  |  |  |  |  |  |
Extension period | 1 year |  |  |  |  |  |  |

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- Definition Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481990/310-10-45-2 + Details
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