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FINANCIAL INSTRUMENTS - Commodity Price Risk Management (Details) | 12 Months Ended
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Dec. 31, 2023 $ / MMBTU MMBTU | Dec. 31, 2022 $ / MMBTU MMBTU
Commodity swap |  |
Derivative [Line Items] |  |
Notional quantity | MMBTU | 1,613,004 | 4,839,000
Derivative, forward price | 51.20 |
Commodity Swap, Pay Fixed |  |
Derivative [Line Items] |  |
Notional quantity | MMBTU | 1,613,004 |
Derivative, forward price | 20.55 |
Minimum | Commodity swap |  |
Derivative [Line Items] |  |
Derivative, forward price |  | 49.50
Maximum | Commodity swap |  |
Derivative [Line Items] |  |
Derivative, forward price |  | 51.20

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