| Cover | Jan. 07, 2021 |
| Cover [Abstract] | |
| Document Type | 8-K/A |
| Document Period End Date | Jan. 7, 2021 |
| Entity Central Index Key | 0000010254 |
| Entity Registrant Name | EARTHSTONE ENERGY, INC. |
| Amendment Flag | true |
| Amendment Description | As previously disclosed in its Current Report on Form 8-K filed on January 13, 2021 (the “Prior 8-K”) with the U.S. Securities and Exchange Commission (the “SEC”), on January 7, 2021, Earthstone Energy, Inc. (“Earthstone” or the “Company”), Earthstone Energy Holdings, LLC, a subsidiary of the Company (“EEH” and collectively with Earthstone, the “Buyer”), Independence Resources Holdings, LLC (“Independence”), and Independence Resources Manager, LLC (“Independence Manager” and collectively with Independence, the “Seller”) consummated the transactions (the “Acquisition”) contemplated in the Purchase and Sale Agreement dated December 17, 2020 (the “Purchase Agreement”) by and among Earthstone, EEH, Independence and Independence Manager.The Company is filing this amendment to the Prior 8-K for the purpose of providing (i) the audited consolidated financial statements of Independence as of and for the years ended December 31, 2019 and 2018, (ii) the unaudited interim condensed consolidated financial statements of Independence as of and for the nine months ended September 30, 2020, and (iii) the unaudited pro forma financial statements giving effect to the Acquisition. |
| Entity Incorporation, State or Country Code | DE |
| Entity File Number | 001-35049 |
| Entity Tax Identification Number | 84-0592823 |
| Entity Address, Address Line One | 1400 Woodloch Forest Drive |
| Entity Address, Address Line Two | Suite 300 |
| Entity Address, City or Town | The Woodlands |
| Entity Address, State or Province | TX |
| Entity Address, Postal Zip Code | 77380 |
| City Area Code | 281 |
| Local Phone Number | 298-4246 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Title of 12(b) Security | Class A Common Stock, $0.001 par value per share |
| Trading Symbol | ESTE |
| Security Exchange Name | NYSE |
| Entity Emerging Growth Company | false |
