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Document And Entity Information
 12 Months Ended
Dec. 31, 2021
shares
Document Information [Line Items]  
Entity Central Index Key 0000766011
Entity Registrant Name Caledonia Mining Corp Plc
Amendment Flag false
Current Fiscal Year End Date --12-31
Document Fiscal Period Focus FY
Document Fiscal Year Focus 2021
Document Type 20-F
Document Annual Report true
Document Period End Date Dec. 31, 2021
Document Transition Report false
Entity File Number 001-38164
Entity Incorporation, State or Country Code Y9
Entity Address, Address Line One B006 Millais House, Castle Quay
Entity Address, City or Town St Helier
Entity Address, Country JE
Entity Address, Postal Zip Code JE2 3EF
Title of 12(b) Security Common Shares, no par value
Trading Symbol CMCL
Security Exchange Name NYSEAMER
Entity Common Stock, Shares Outstanding 12,756,606
Entity Well-known Seasoned Issuer No
Entity Voluntary Filers No
Entity Current Reporting Status Yes
Entity Interactive Data Current Yes
Entity Filer Category Accelerated Filer
Entity Emerging Growth Company true
Entity Ex Transition Period false
Entity Shell Company false
Document Accounting Standard International Financial Reporting Standards
Document Shell Company Report false
Document Registration Statement false
Auditor Name BDO South Africa Incorporated
Auditor Location Johannesburg, Gauteng, South Africa
Auditor Firm ID 1368
ICFR Auditor Attestation Flag false
Business Contact [Member]  
Document Information [Line Items]  
Entity Address, Address Line One B006 Millais House, Castle Quay
Entity Address, City or Town St Helier
Entity Address, Country JE
Entity Address, Postal Zip Code JE2 3EF
City Area Code 44
Local Phone Number 1534 679 800
Contact Personnel Name Mark Learmonth