Gulfport Energy Corporation Annual report pursuant to Section 13 and 15(d)

Subsequent Events - Narrative (Details)	1 Months Ended		12 Months Ended
Subsequent Events - Narrative (Details)	Feb. 28, 2018 $ / bbl bbl	Jan. 31, 2018 USD ($) MMBTU $ / bbl $ / MMBTU bbl	Dec. 31, 2017 MMBTU $ / MMBTU
Subsequent event
Derivative [Line Items]
Stock repurchase program, authorized amount \| $		$ 100,000,000.0
Fixed Price Swap 2018 \| Subsequent event \| NYMEX WTI
Derivative [Line Items]
Daily volume (Bbls/day) \| bbl		1,000
Weighted average price of derivative swap (usd per MMBtu or Bbls) \| $ / bbl		62.18
Fixed Price Swap 2018 \| Subsequent event \| Mont Belvieu Propane 2019 Fixed Price Swap
Derivative [Line Items]
Daily volume (Bbls/day) \| bbl	500
Weighted average price of derivative swap (usd per MMBtu or Bbls) \| $ / bbl	35.54
Fixed Price Swap 2019
Derivative [Line Items]
Weighted average price of derivative swap (usd per MMBtu or Bbls) \| $ / MMBTU			3.05
Daily volume (MMBtu/day) \| MMBTU			100,000
Fixed Price Swap 2019 \| Subsequent event \| NYMEX WTI
Derivative [Line Items]
Daily volume (Bbls/day) \| bbl	2,000
Weighted average price of derivative swap (usd per MMBtu or Bbls) \| $ / bbl	57.75
Fixed Price Swap 2019 \| Subsequent event \| NYMEX Natural Gas 2018 Fixed Price Swap
Derivative [Line Items]
Weighted average price of derivative swap (usd per MMBtu or Bbls) \| $ / MMBTU		2.79
Daily volume (MMBtu/day) \| MMBTU		242,000