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COMMITMENTS AND CONTINGENCIES (Narrative) (Details) $ in Millions | 1 Months Ended | 3 Months Ended
--- | --- | ---
Apr. 30, 2020 USD ($) | Mar. 31, 2021 USD ($) claim
Commitments And Contingencies [Line Items] |  |
Percentage decrease in future demand reservation fees |  | 50.00%
Percentage decrease in future demand reservation volume |  | 35.00%
Number of claims filed | claim |  | 2
Loss contingency, damages sought | $ 5.8 |
Loss contingency, damages sought, percentages of unpaid overtime compensation | 6.00% |
Stingray Pressure Pumping LLC v. Gulfport Energy Corporation |  |
Commitments And Contingencies [Line Items] |  |
Loss contingency, damages sought |  | $ 80.0
Muskie v. Company |  |
Commitments And Contingencies [Line Items] |  |
Loss contingency, damages sought |  | 3.4
TC Energy Corporation and Rover Pipeline LLC v. Gulfport Energy Corporation |  |
Commitments And Contingencies [Line Items] |  |
Loss contingency, damages sought |  | $ 57.0

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