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Note 5 - Blanket Zimbabwe Indigenisation Transaction - Shareholder Percentages and Facilitation Loan Balances (Details) - USD ($)
$ in Thousands

9 Months Ended

Feb. 20, 2012

Sep. 30, 2024

Dec. 31, 2023

Statement Line Items [Line Items]

Shareholding

51.00%

36.00%

NCI Recognized

13.20%

NCI subject to facilitation loans

12.80%

Faciliation loans

^[1]

$ 11,005

$ 13,397

NIEEF [member]

Statement Line Items [Line Items]

Shareholding

16.00%

16.00%

NCI Recognized

3.20%

NCI subject to facilitation loans

12.80%

Faciliation loans

^[1]

$ 7,139

8,489

Community Trust [member]

Statement Line Items [Line Items]

Shareholding

10.00%

10.00%

NCI Recognized

10.00%

NCI subject to facilitation loans

0.00%

Faciliation loans

^[1]

$ 0

0

BETS [member]

Statement Line Items [Line Items]

Shareholding

^[2]

10.00%

Faciliation loans

^[1],[2]

$ 3,866

$ 4,908

[1]	Facilitation loans are accounted for as equity instruments and are accordingly not recognised as loans receivable.
[2]	Accounted for under IAS19 Employee Benefits.

X

- Definition

Amount of facilitation loans accounted for as equity instruments and accordingly not recognized as loans receivable.

+ References

No definition available.

+ Details

Name:	cmcl_FacilitationLoans
Namespace Prefix:	cmcl_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

The proportion of ownership interests held by non-controlling interests recognized.

+ References

No definition available.

+ Details

Name:	cmcl_NCIRecognised
Namespace Prefix:	cmcl_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The proportion of ownership interests by non-controlling interests recognized subject to facilitation loans

+ References

No definition available.

+ Details

Name:	cmcl_NCISubjectToFacilitationLoans
Namespace Prefix:	cmcl_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	cmcl_Statement1LineItems
Namespace Prefix:	cmcl_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The proportion of ownership interests in a subsidiary held by non-controlling interests. [Refer: Total for all subsidiaries [member]; Non-controlling interests]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 12
-IssueDate 2024-01-01
-Paragraph 12
-Subparagraph c
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2024-en-r&anchor=para_12_c&doctype=Standard
-URIDate 2024-03-27

+ Details

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Namespace Prefix:	ifrs-full_
Data Type:	dtr-2022:percentItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	ifrs-full_SignificantInvestmentsInSubsidiariesAxis=cmcl_NIEEFMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_SignificantInvestmentsInSubsidiariesAxis=cmcl_CommunityTrustMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_SignificantInvestmentsInSubsidiariesAxis=cmcl_BETSMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: