| Document and Entity Information | Aug. 12, 2021 |
| Document and Entity Information [Abstract] | |
| Document Type | 8-K |
| Document Period End Date | Aug. 12, 2021 |
| Entity Registrant Name | GOODNESS GROWTH HOLDINGS, INC. |
| Entity Incorporation, State or Country Code | A1 |
| Entity File Number | 000-56225 |
| Entity Tax Identification Number | 82-3835655 |
| Entity Address, Address Line One | 207 South 9th Street |
| Entity Address, City or Town | Minneapolis |
| Entity Address State Or Province | MN |
| Entity Address, Postal Zip Code | 55402 |
| City Area Code | 612 |
| Local Phone Number | 999-1606 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Entity Emerging Growth Company | true |
| Entity Ex Transition Period | false |
| Entity Central Index Key | 0001771706 |
| Amendment Flag | false |
