Annual report pursuant to Section 13 and 15(d)


$ in Millions
12 Months Ended
Dec. 31, 2020
Feb. 22, 2021
Jun. 30, 2020
Cover [Abstract]      
Document Type 10-K    
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 001-19514    
Entity Registrant Name Gulfport Energy Corp    
Entity Incorporation, State or Country Code DE    
Entity Tax Identification Number 73-1521290    
Entity Address, Address Line One 3001 Quail Springs Parkway    
Entity Address, City or Town Oklahoma City,    
Entity Address, State or Province OK    
Entity Address, Postal Zip Code 73134    
City Area Code 405    
Local Phone Number 252-4600    
Trading Symbol GPORQ    
Title of 12(g) Security Common Stock    
Entity Well-known Seasoned Issuer No    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Interactive Data Current Yes    
Entity Filer Category Accelerated Filer    
Entity Small Business false    
Entity Emerging Growth Company false    
ICFR Auditor Attestation Flag true    
Entity Shell Company false    
Entity Public Float     $ 174.4
Entity Common Stock, Shares Outstanding (in shares)   160,762,186  
Documents Incorporated by Reference
Portions of Gulfport Energy Corporation’s Proxy Statement for the 2021 Annual Meeting of Stockholders are incorporated by reference in Items 10, 11, 12, 13 and 14 of Part III of this Form 10-K.
Amendment Flag false    
Entity Central Index Key 0000874499    
Document Fiscal Year Focus 2020    
Document Fiscal Period Focus FY