XML 82 R9999.htm IDEA: XBRL DOCUMENT v3.23.2

Label	Element	Value
Jamalco [Member]
Business Combination, Pro Forma Information, Revenue of Acquiree since Acquisition Date, Actual	us-gaap_BusinessCombinationProFormaInformationRevenueOfAcquireeSinceAcquisitionDateActual	$ 43,700,000
Business Combination, Pro Forma Information, Revenue of Acquiree since Acquisition Date, Actual	us-gaap_BusinessCombinationProFormaInformationRevenueOfAcquireeSinceAcquisitionDateActual	$ 43,700,000

X

- Definition

This element represents the amount of revenue of the acquiree since the acquisition date included in the consolidated income statement for the reporting period.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (h)(1)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479328/805-10-50-2

+ Details

Name:	us-gaap_BusinessCombinationProFormaInformationRevenueOfAcquireeSinceAcquisitionDateActual
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Details

Name:	us-gaap_BusinessAcquisitionAxis=cenx_JamalcoMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: