| Document and Entity Information Document | Dec. 31, 2024 |
| Document Information [Line Items] | |
| Document Type | 8-K |
| Document Creation Date | Dec. 31, 2024 |
| Document Period End Date | Dec. 31, 2024 |
| Amendment Flag | false |
| Entity Registrant Name | i-80 Gold Corp. |
| Entity Address, Address Line One | 5190 Neil Road, Suite 460 |
| Entity Address, City or Town | Reno |
| Entity Address, State or Province | NV |
| Entity Address, Country | US |
| Entity Address, Postal Zip Code | 89502 |
| Entity Incorporation, State Country Name | A1 |
| City Area Code | 775 |
| Local Phone Number | 525-6450 |
| Entity File Number | 001-41382 |
| Entity Central Index Key | 0001853962 |
| Entity Emerging Growth Company | true |
| Entity Tax Identification Number | 00-0000000 |
| Entity Ex Transition Period | false |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Toronto Stock Exchange [Member] | Common Stock [Member] | |
| Document Information [Line Items] | |
| Title of 12(b) Security | Common Shares |
| Trading Symbol | IAU |
| NYSE MKT LLC [Member] | Common Stock [Member] | |
| Document Information [Line Items] | |
| Title of 12(b) Security | Common Shares |
| Trading Symbol | IAUX |
| Security Exchange Name | NYSEAMER |
