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COMMITMENTS AND CONTINGENCIES (Details) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2018 USD ($)
Capital Lease |
2019 | $ 4.5
2020 | 4.5
2021 | 4.5
2022 | 4.5
2023 | 4.5
Thereafter | 21.6
Total | 44.1
Firm Transportation and Storage Contracts [Abstract] |
2019 | 63.7
2020 | 51.6
2021 | 35.7
2022 | 22.4
2023 | 17.3
Thereafter | 11.7
Total | $ 202.4
Other Significant Noncash Transaction, Description | (a) - At December 31, 2018, $28 million in principal represents noncash financing activities.

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