| Cover | Aug. 10, 2021 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | Aug. 10, 2021 |
| Entity File Number | 001-39217 |
| Entity Registrant Name | GREENROSE ACQUISITION CORP. |
| Entity Central Index Key | 0001790665 |
| Entity Tax Identification Number | 84-2845696 |
| Entity Incorporation, State or Country Code | DE |
| Entity Address, Address Line One | 111 |
| Entity Address, Address Line Two | Broadway |
| Entity Address, City or Town | Amityville |
| Entity Address, State or Province | NY |
| Entity Address, Postal Zip Code | 11701 |
| City Area Code | (516) |
| Local Phone Number | 346-6270 |
| Written Communications | false |
| Soliciting Material | true |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Title of 12(b) Security | Common stock, par value $0.0001 per share |
| Security Exchange Name | NONE |
| Entity Emerging Growth Company | true |
| Elected Not To Use the Extended Transition Period | false |
| Entity Information, Former Legal or Registered Name | Not Applicable |
