Gulfport Energy Corporation Quarterly report [Sections 13 or 15(d)]

FAIR VALUE MEASUREMENTS - Narrative (Details) $ in Millions	3 Months Ended	9 Months Ended
FAIR VALUE MEASUREMENTS - Narrative (Details) $ in Millions	Sep. 30, 2025 USD ($)	Sep. 30, 2025 USD ($)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Contingent consideration arrangement	$ 1.7	$ 1.7
Contingent consideration, gain or loss due to change in value	0.4	0.8
Other Noncurrent Assets
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Contingent consideration arrangement	1.6	1.6
Prepaid Expenses and Other Current Assets
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Contingent consideration arrangement	$ 0.1	$ 0.1