DERIVATIVE INSTRUMENTS (Details) - Commodity Contract	Jun. 30, 2022 MMBtu MWh metricTons	Dec. 31, 2021 MMBtu MWh metricTons
Natural Gas
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Notional Amount \| MMBtu	134,880,000	92,591,000
Zinc
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Notional Amount \| metricTons	8,046	16,092
Electricity
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Notional Amount \| MWh	432,043	0

Nominal number of units used to calculate payment on derivative.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 40
-Section 50
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Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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-Section 50
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Reference 5: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
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-URI http://asc.fasb.org/extlink&oid=125515794&loc=SL5579245-113959

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