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

Fair Value Measurements - Narrative (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Contingent consideration arrangement	$ 6,200
Contingent consideration, gain (loss) due to change in value	16,600
Contingent consideration, settlements	300
Asset retirement obligation capitalized	2,358	$ 5,935
Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Contingent consideration arrangement	6,200
Asset retirement obligation capitalized	2,400
Prepaid Expenses and Other Current Assets
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Contingent consideration arrangement	1,100
Other Noncurrent Assets
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Contingent consideration arrangement	$ 5,100