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PROPERTY AND EQUIPMENT (Summary of Non-producing Properties Excluded from Amortization by Area) (Details) - USD ($) $ in Thousands | Mar. 31, 2021 | Dec. 31, 2020
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Property, Plant and Equipment [Line Items] |  |
Total non-producing properties not subject to amortization | $ 1,413,774 | $ 1,457,043
Utica |  |
Property, Plant and Equipment [Line Items] |  |
Total non-producing properties not subject to amortization | 761,397 |
SCOOP |  |
Property, Plant and Equipment [Line Items] |  |
Total non-producing properties not subject to amortization | 651,451 |
Other |  |
Property, Plant and Equipment [Line Items] |  |
Total non-producing properties not subject to amortization | $ 926 |

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- Definition The sum of the capitalized costs incurred, as of the balance sheet date, of unproved properties excluded from amortization including acquisition costs, exploration costs, development costs, and production costs. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-10.(c)(7)(ii)) -URI http://asc.fasb.org/extlink&oid=120398226&loc=d3e511914-122862 + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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