Document and Entity Information - USD ($)	12 Months Ended
	Dec. 31, 2019	Feb. 17, 2020
Cover page.
Document Annual Report	true
Title of 12(b) Security	Common Stock (par value $.01 per share)
Entity Incorporation, State or Country Code	DE
Document Transition Report	false
Entity Registrant Name	COEUR MINING, INC.
Entity Central Index Key	0000215466
Document Type	10-K
Document Period End Date	Dec. 31, 2019
Entity File Number	1-8641
Amendment Flag	false
Document Fiscal Year Focus	2019
Document Fiscal Period Focus	FY
Trading Symbol	CDE
Current Fiscal Year End Date	--12-31
Entity Filer Category	Large Accelerated Filer
Entity Common Stock, Shares Outstanding		243,074,353
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
City Area Code	312
Local Phone Number	489-5800
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
Security Exchange Name	NYSE
Entity Public Float	$ 949,297,887