v3.25.2
Document and Entity Information - shares
 6 Months Ended
Jun. 30, 2025
Jul. 31, 2025
Document and Entity Information [Abstract]    
Document Type 10-Q  
Document Quarterly Report true  
Document Transition Report false  
Document Period End Date Jun. 30, 2025  
Entity File Number 1-16247  
Entity Registrant Name Coronado Global Resources Inc.  
Entity Incorporation State Country Code DE  
Entity Tax Identification Number 83-1780608  
Entity Address Line1 Level 33, Central Plaza One  
Entity Address Line 2 345 Queen Street  
Entity Address City Or Town Brisbane, Queensland  
Entity Address Country AU  
Entity Address Postal Zip Code 4000  
Country Region 61  
City Area Code 7  
Local Phone Number 3031 7777  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Large Accelerated Filer  
Entity Small Business false  
Entity Emerging Growth Company false  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding   167,645,373
Entity Central Index Key 0001770561  
Amendment Flag false  
Document Fiscal Year Focus 2025  
Document Fiscal Period Focus Q2  
Current Fiscal Year End Date --12-31