Related Party Transactions - Narrative (Details)	3 Months Ended
Mar. 31, 2022	Mar. 31, 2021
Consolidated sales [Member] \| Customer concentration risk [Member] \| Glencore [Member]
Related Party Transaction [Line Items]
Major customer, percentage of revenue, net (percent)	57.00%	60.00%
Glencore [Member]
Related Party Transaction [Line Items]
Ownership percentage by noncontrolling owners	42.90%
Economic ownership percentage by related party	46.40%

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
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Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
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Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef
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