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RELATED PARTY TRANSACTIONS (Details) - Mammoth Energy Partners LP - USD ($) | 12 Months Ended
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Dec. 31, 2020 | Dec. 31, 2019
Related Party Transaction [Line Items] |  |
Equity investment, ownership interest | 21.50% |
Investee |  |
Related Party Transaction [Line Items] |  |
Oil and natural gas properties | $ 3,100,000 |
Investee | Lease operating expense |  |
Related Party Transaction [Line Items] |  |
Related party services provided | $ 0 | $ 600,000

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