Document and Entity Information - shares	3 Months Ended
	Mar. 31, 2020	Apr. 20, 2020
Cover [Abstract]
Title of 12(b) Security	Common Stock (par value $.01 per share)
Entity Incorporation, State or Country Code	DE
Document Transition Report	false
Document Quarterly Report	true
Entity Registrant Name	COEUR MINING, INC.
City Area Code	312
Entity Central Index Key	0000215466
Document Type	10-Q
Document Period End Date	Mar. 31, 2020
Entity File Number	001-08641
Amendment Flag	false
Document Fiscal Year Focus	2020
Document Fiscal Period Focus	Q1
Trading Symbol	CDE
Current Fiscal Year End Date	--12-31
Entity Filer Category	Large Accelerated Filer
Entity Common Stock, Shares Outstanding		243,537,380
Entity Emerging Growth Company	false
Entity Small Business	false
Entity Shell Company	false
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Tax Identification Number	82-0109423
Entity Address, Address Line One	104 S. Michigan Ave.
Entity Address, Address Line Two	Suite 900
Entity Address, City or Town	Chicago,
Entity Address, State or Province	IL
Entity Address, Postal Zip Code	60603
Local Phone Number	489-5800
Security Exchange Name	NYSE