| Cover | Jan. 29, 2021 |
| Document Information [Line Items] | |
| Document Type | 8-K/A |
| Amendment Flag | true |
| Amendment Description | This Amendment No. 2 on Form 8-K/A (this “Amendment No. 2”) amends Item 9.01 of the Current Report on Form 8-K filed by AppHarvest, Inc. (the “Company”) on February 2, 2021 (the “Original Report”), in which the Company reported, among other events, the completion of the Business Combination. This Amendment No. 2 amends Item 9.01(b) in the Original Report to include the unaudited pro forma condensed combined financial information (restated) of the Company as of and for the year ended December 31, 2020. This Amendment No. 2 does not amend any other item of the Original Report or purport to provide an update or a discussion of any developments at the Company subsequent to the filing date of the Original Report. |
| Document Period End Date | Jan. 29, 2021 |
| Entity File Number | 001-39288 |
| Entity Registrant Name | AppHarvest, Inc. |
| Entity Central Index Key | 0001807707 |
| Entity Tax Identification Number | 82-5042965 |
| Entity Incorporation, State or Country Code | DE |
| Entity Address, Address Line One | 500 Appalachian Way |
| Entity Address, City or Town | Morehead |
| Entity Address, State or Province | KY |
| Entity Address, Postal Zip Code | 40351 |
| City Area Code | 606 |
| Local Phone Number | 653-6100 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Entity Emerging Growth Company | true |
| Elected Not To Use the Extended Transition Period | false |
| Common Stock [Member] | |
| Document Information [Line Items] | |
| Title of 12(b) Security | Common Stock, $0.0001 par value per share |
| Trading Symbol | APPH |
| Security Exchange Name | NASDAQ |
| Warrants Each Whole Warrant Exercisable For One Share Of Common Stock At Exercise Price Of 11. 50 Per Share [Member] | |
| Document Information [Line Items] | |
| Title of 12(b) Security | Warrants, each whole warrant exercisable for one share of Common Stock at an exercise price of $11.50 per share |
| Trading Symbol | APPHW |
| Security Exchange Name | NASDAQ |
