Cover Page
Cover Page - USD ($) $ in Millions | 12 Months Ended | ||
Dec. 31, 2020 | Jun. 30, 2020 | Apr. 30, 2020 | |
Cover [Abstract] | |||
Document Type | 10-K/A | ||
Amendment Description | Amendment No. 1 | ||
Document Annual Report | true | ||
Document Period End Date | Dec. 31, 2020 | ||
Current Fiscal Year End Date | --12-31 | ||
Document Transition Report | false | ||
Entity File Number | 001-37907 | ||
Entity Registrant Name | EXTRACTION OIL & GAS, INC. | ||
Entity Incorporation, State or Country Code | DE | ||
Entity Tax Identification Number | 46-1473923 | ||
Entity Address, Address Line One | 370 17th Street, Suite 5200 | ||
Entity Address, City or Town | Denver, Colorado | ||
Entity Address, Postal Zip Code | 80202 | ||
City Area Code | 720 | ||
Local Phone Number | 557-8300 | ||
Title of 12(b) Security | Common Stock, par value $0.01 | ||
Trading Symbol | XOG | ||
Security Exchange Name | NASDAQ | ||
Entity Well-known Seasoned Issuer | No | ||
Entity Voluntary Filers | No | ||
Entity Current Reporting Status | Yes | ||
Entity Interactive Data Current | Yes | ||
Entity Filer Category | Non-accelerated Filer | ||
Entity Small Business | true | ||
Entity Emerging Growth Company | false | ||
Entity Shell Company | false | ||
Entity Bankruptcy Proceedings, Reporting Current | true | ||
ICFR Auditor Attestation Flag | false | ||
Entity Public Float | $ 9.7 | ||
Entity Common Stock, Shares Outstanding | 25,703,212 | ||
Document Fiscal Year Focus | 2020 | ||
Document Fiscal Period Focus | FY | ||
Entity Central Index Key | 0001655020 | ||
Amendment Flag | true |