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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Narrative (Details) $ in Thousands | 12 Months Ended
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Dec. 31, 2021 USD ($) contract counterparty segment | Dec. 31, 2020 USD ($) | Dec. 31, 2019 USD ($)
Property, Plant and Equipment [Line Items] |  |  |
Number of operating segments | segment | 1 |  |
Depletion expense | $ 212,500 | $ 82,600 | $ 69,300
Proved properties | $ 5,457,213 | 1,056,773 |
Derivative contracts executed, number of counterparties | counterparty | 10 |  |
Abandonment and impairment of unproved properties | $ 57,260 | 37,343 | $ 11,201
Receivables from contracts with customers | $ 362,262 | $ 32,673 |
Natural Gas and Fresh Water Commitment | Water Suppliers | Natural Gas And Fresh Water |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Number of contracts | contract | 2 |  |
Minimum |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Receivable collection period | 1 month |  |
Maximum |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Receivable collection period | 2 months |  |
Midstream Assets |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Proved properties | $ 276,100 |  |
PP&E useful life | 30 years |  |
Property, Plant and Equipment, Other Types | Minimum |  |  |
Property, Plant and Equipment [Line Items] |  |  |
PP&E useful life | 3 years |  |
Property, Plant and Equipment, Other Types | Maximum |  |  |
Property, Plant and Equipment [Line Items] |  |  |
PP&E useful life | 25 years |  |

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