XML 359 R127.htm IDEA: XBRL DOCUMENT
v3.22.1

Note 23 - Assets Held for Sale - Noncurrent Assets Held for Sale (Details) - USD ($) $ in Thousands | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Statement Line Items [Line Items] |  |
Non-current assets held for sale | $ 0 | $ 500
Eagle Vulture, Mascot and Penzance [member] |  |
Statement Line Items [Line Items] |  |
Non-current assets held for sale |  | 500
Eersteling Gold Mining Company Limited [member] |  |
Statement Line Items [Line Items] |  |
Non-current assets held for sale |  | $ 0

X
- References No definition available. + Details
Name: | cmcl_StatementLineItems
Namespace Prefix: | cmcl_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The amount of non-current assets or disposal groups classified as held for sale or as held for distribution to owners. [Refer: Non-current assets or disposal groups classified as held for distribution to owners; Non-current assets or disposal groups classified as held for sale] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2021-01-01 -Paragraph 54 -Subparagraph j -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_54_j&doctype=Standard -URIDate 2021-03-24 + Details
Name: | ifrs-full_NoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleOrAsHeldForDistributionToOwners
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | ifrs-full_ClassesOfAssetsAxis=cmcl_EagleVultureMascotAndPenzanceMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfAssetsAxis=cmcl_EerstelingGoldMiningCompanyLimitedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |