| Document and Entity Information | Dec. 19, 2024 |
| Cover [Abstract] | |
| Amendment Flag | false |
| Entity Central Index Key | 0001517006 |
| Document Type | 8-K |
| Document Period End Date | Dec. 19, 2024 |
| Entity Registrant Name | GATOS SILVER, INC. |
| Entity Incorporation State Country Code | DE |
| Entity File Number | 001-39649 |
| Entity Tax Identification Number | 27-2654848 |
| Entity Address, Address Line One | 925 W Georgia Street |
| Entity Address, Address Line Two | Suite 910 |
| Entity Address, City or Town | Vancouver |
| Entity Address, State or Province | BC |
| Entity Address, Country | CA |
| Entity Address, Postal Zip Code | V6C 3L2 |
| City Area Code | (604) |
| Local Phone Number | 424-0984 |
| Written Communications | false |
| Soliciting Material | false |
| Pre Commencement Tender Offer | false |
| Pre Commencement Issuer Tender Offer | false |
| Security 12b Title | Common Stock, par value $0.001 per share |
| Trading Symbol | GATO |
| Security Exchange Name | NYSE |
| Entity Emerging Growth Company | true |
| Entity Ex Transition Period | true |
