XML 336 R104.htm IDEA: XBRL DOCUMENT v3.22.1

Note 15 - Leases (Details Textual)	12 Months Ended
	Dec. 31, 2021
Bottom of range [member]
Statement Line Items [Line Items]
Leases, term (Year)	3 years
Top of range [member]
Statement Line Items [Line Items]
Leases, term (Year)	6 years

X

- Definition

The term of leases.

+ References

No definition available.

+ Details

Name:	cmcl_LeasesTerm
Namespace Prefix:	cmcl_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

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

X

- Details

Name:	ifrs-full_RangeAxis=ifrs-full_BottomOfRangeMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_RangeAxis=ifrs-full_TopOfRangeMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: