Increase (decrease) through foreign exchange, financial liabilities.

No definition available.

Name:	cmcl_IncreaseDecreaseThroughForeignExchangeFinancialLiabilities
Namespace Prefix:	cmcl_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- References

No definition available.

+ Details

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

- Definition

The amount of exchange differences recognised in profit or loss that arise from foreign currency transactions, excluding those arising on financial instruments measured at fair value through profit or loss in accordance with IFRS 9. [Refer: At fair value [member]; Classes of financial instruments [domain]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 21
-IssueDate 2024-01-01
-Paragraph 52
-Subparagraph a
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=21&code=ifrs-tx-2024-en-r&anchor=para_52_a&doctype=Standard
-URIDate 2024-03-27

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 1
-IssueDate 2024-01-01
-Paragraph 35
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_35&doctype=Standard
-URIDate 2024-03-27

+ Details

Name:	ifrs-full_GainsLossesOnExchangeDifferencesOnTranslationRecognisedInProfitOrLoss
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The increase (decrease) in financial assets resulting from foreign exchange. [Refer: Financial assets]

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Name IFRS
-Number 7
-IssueDate 2024-01-01
-Paragraph IG20B
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2024-en-r&anchor=para_IG20B&doctype=Implementation%20Guidance
-URIDate 2024-03-27

Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Name IFRS
-Number 7
-IssueDate 2024-01-01
-Paragraph 35H
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2024-en-r&anchor=para_35H&doctype=Standard
-URIDate 2024-03-27

+ Details

Name:	ifrs-full_IncreaseDecreaseThroughForeignExchangeFinancialAssets
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Details

Name:	ifrs-full_TypesOfRisksAxis=cmcl_CurrencyRiskStrengtheningBy45PercentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_TypesOfRisksAxis=cmcl_CurrencyRiskWeakeningBy45PercentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_ClassesOfFinancialInstrumentsAxis=cmcl_CashAndCashEquivalents1Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_ClassesOfFinancialInstrumentsAxis=cmcl_TradeAndOtherReceivablesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_ClassesOfFinancialInstrumentsAxis=cmcl_TradeAndOtherPayablesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Note 7 - Net Foreign Exchange Loss - Sensitivity Analysis (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Statement Line Items [Line Items]
Foreign exchange gains	$ (3,129)	$ (257)	$ (9,282)	$ (2,334)
Foreign exchange losses	$ (3,129)	$ (257)	(9,282)	$ (2,334)
Currency risk, strengthening by 45 percent [member]
Statement Line Items [Line Items]
Financial assets			6,629
Foreign exchange gains			2,980
Foreign exchange losses			2,980
Currency risk, weakening by 45 percent [member]
Statement Line Items [Line Items]
Financial assets			2,514
Foreign exchange gains			(1,135)
Foreign exchange losses			(1,135)
Cash and cash equivalents 1 [member] \| Currency risk, strengthening by 45 percent [member]
Statement Line Items [Line Items]
Financial assets			307
Cash and cash equivalents 1 [member] \| Currency risk, weakening by 45 percent [member]
Statement Line Items [Line Items]
Financial assets			115
Trade and other receivables [member] \| Currency risk, strengthening by 45 percent [member]
Statement Line Items [Line Items]
Financial assets			6,973
Trade and other receivables [member] \| Currency risk, weakening by 45 percent [member]
Statement Line Items [Line Items]
Financial assets			2,645
Trade and other payables [member] \| Currency risk, strengthening by 45 percent [member]
Statement Line Items [Line Items]
Financial liabilities			(651)
Trade and other payables [member] \| Currency risk, weakening by 45 percent [member]
Statement Line Items [Line Items]
Financial liabilities			$ (246)