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DERIVATIVE INSTRUMENTS (Details) - Commodity Contract lb in Millions, MMBTU in Millions | Mar. 31, 2022 lb MMBTU | Dec. 31, 2021 lb MMBTU
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Natural gas |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |
Notional Amount | MMBTU | 105 | 93
Zinc |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |
Notional Amount | lb | 27 | 35

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