| Document and Entity Information | Jun. 03, 2021 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | Jun. 3, 2021 |
| Entity Registrant Name | Coeur Mining, Inc. |
| Entity Incorporation, State or Country Code | DE |
| Entity File Number | 001-08641 |
| Entity Tax Identification Number | 82-0109423 |
| Entity Address, Address Line One | 104 SOUTH MICHIGAN AVENUE |
| 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 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Entity Emerging Growth Company | false |
| Entity Central Index Key | 0000215466 |
| Title of 12(b) Security | Common Stock (par value $.01 per share) |
| Trading Symbol | CDE |
| Security Exchange Name | NYSE |
