| Document and Entity Information | Jul. 24, 2023 |
| Document And Entity Information [Line Items] | |
| Amendment Flag | true |
| Entity Central Index Key | 0001822691 |
| Current Fiscal Year End Date | --12-31 |
| Document Type | 8-K/A |
| Document Period End Date | Jul. 24, 2023 |
| Entity Registrant Name | GreenLight Biosciences Holdings, PBC |
| Entity Incorporation State Country Code | DE |
| Entity File Number | 001-39894 |
| Entity Tax Identification Number | 85-1914700 |
| Entity Address, Address Line One | 29 Hartwell Ave |
| Entity Address, City or Town | Lexington |
| Entity Address, State or Province | MA |
| Entity Address, Postal Zip Code | 02421 |
| City Area Code | (617) |
| Local Phone Number | 616-8188 |
| 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 |
| Amendment Description | This Amendment No. 1 (the “Amendment”) to the Registrant’s Current Report on Form 8-K filed on July 24, 2023 (the “Original Report”) is being filed to amend and restate the Introductory Note. The only change to such disclosure is to correct the date, which is August 23, 2023, on or prior to which a holder of Warrants must exercise such Warrant in order to be eligible to pay the reduced exercise price and receive the Black-Scholes Warrant Value as described in the Original Report. Except as described above, this Amendment does not amend, update or change any other disclosures in the Original Report. In addition, the information contained in this Amendment does not reflect events occurring after the filing of the Original Report and does not modify or update the disclosures therein, except as specifically identified above. |
| Common Stock Par Value 0.0001 Per Share 2 [Member] | |
| Document And Entity Information [Line Items] | |
| Security 12b Title | Common stock, par value $0.0001 per share |
| Trading Symbol | GRNA |
| Security Exchange Name | NASDAQ |
| Warrants Each Exercisable For One Share Of Common Stock For 11.50 Per Share 1 [Member] | |
| Document And Entity Information [Line Items] | |
| Security 12b Title | Warrants, each exercisable for one share of Common Stock for $11.50 per share |
| Trading Symbol | GRNAW |
| Security Exchange Name | NASDAQ |
