| Cover | Sep. 28, 2021 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | Sep. 28, 2021 |
| Entity File Number | 001-40849 |
| Entity Registrant Name | Mawson Infrastructure Group Inc. |
| Entity Central Index Key | 0001218683 |
| Entity Tax Identification Number | 88-0445167 |
| Entity Incorporation, State or Country Code | DE |
| Entity Address, Address Line One | Level 5 |
| Entity Address, Address Line Two | 97 Pacific Highway |
| Entity Address, City or Town | North Sydney |
| Entity Address, Country | AU |
| Entity Address, Postal Zip Code | 2060 |
| City Area Code | 61 2 |
| Local Phone Number | 8624 6130 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Title of 12(b) Security | Common Stock, $0.001 par value |
| Trading Symbol | MIGI |
| Security Exchange Name | NASDAQ |
| Entity Emerging Growth Company | false |
