Gulfport Energy Corporation Quarterly report pursuant to Section 13 or 15(d)

DERIVATIVE INSTRUMENTS (Schedule of Derivative Instruments) (Details)

DERIVATIVE INSTRUMENTS (Schedule of Derivative Instruments) (Details)	3 Months Ended
	Mar. 31, 2021 MMBTU $ / bbl $ / MMBTU bbl
NYMEX Henry Hub - Remaining 2021
Derivative [Line Items]
Daily Volume (MMBtu/day)	351,316
Weighted average price (in usd per MMBtu or Bbl) \| $ / MMBTU	2.73
NYMEX WTI - Remaining 2021
Derivative [Line Items]
Daily Volume (Bbl/day) \| bbl	1,505
Weighted average price (in usd per MMBtu or Bbl) \| $ / bbl	53.07
Mont Belvieu C3 - Remaining 2021
Derivative [Line Items]
Daily Volume (Bbl/day) \| bbl	2,074
Weighted average price (in usd per MMBtu or Bbl) \| $ / bbl	27.80
Mont Belvieu C3 - 2022
Derivative [Line Items]
Daily Volume (Bbl/day) \| bbl	496
Weighted average price (in usd per MMBtu or Bbl) \| $ / bbl	27.30
NYMEX Henry Hub - 2022 \| Short \| Call Option
Derivative [Line Items]
Daily Volume (MMBtu/day)	152,675
Weighted average price (in usd per MMBtu or Bbl) \| $ / MMBTU	2.90
NYMEX Henry Hub - 2023 \| Short \| Call Option
Derivative [Line Items]
Daily Volume (MMBtu/day)	627,675
Weighted average price (in usd per MMBtu or Bbl) \| $ / MMBTU	2.90
NYMEX Henry Hub - Remaining 2021 Index1
Derivative [Line Items]
Daily Volume (MMBtu/day)	390,509
Weighted average floor price (in usd per MMBtu) \| $ / MMBTU	2.54
Weighted average ceiling price (in usd per MMBtu) \| $ / bbl	2.93
NYMEX Henry Hub 2022 Index2
Derivative [Line Items]
Daily Volume (MMBtu/day)	186,438
Weighted average floor price (in usd per MMBtu) \| $ / MMBTU	2.63
Weighted average ceiling price (in usd per MMBtu) \| $ / bbl	3.04
Basis Swap, Rex Zone 3 - Remaining 2021
Derivative [Line Items]
Daily Volume (MMBtu/day)	85,309
Weighted average price (in usd per MMBtu or Bbl) \| $ / MMBTU	(0.22)
Basis Swap, Tetco M2 - Remaining 2021
Derivative [Line Items]
Daily Volume (MMBtu/day)	32,384
Weighted average price (in usd per MMBtu or Bbl) \| $ / MMBTU	(0.63)
Basis Swap, Rex Zone 3 - 2022
Derivative [Line Items]
Daily Volume (MMBtu/day)	14,795
Weighted average price (in usd per MMBtu or Bbl) \| $ / bbl	(0.10)