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Supplemental Information on Oil and Natural Gas Producing Activities (Unaudited) - Capitalized Costs Related to Oil and Natural Gas Producing Activities (Details) - USD ($) $ in Thousands | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
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Oil and natural gas properties |  |  |
Proved | $ 1,454,016 | $ 1,463,950 | $ 1,484,359
Unproved | 12,255 | 17,964 | 24,603
Total oil and natural gas properties | 1,466,271 | 1,481,914 | 1,508,962
Less: accumulated depreciation, depletion and impairment | (1,373,217) | (1,375,692) | (1,129,622)
Net oil and natural gas properties capitalized costs | $ 93,054 | $ 106,222 | $ 379,340

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- Definition Amount of accumulated depreciation, depletion, amortization and valuation allowance relating to oil and gas producing activities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 235 -Section 50 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=123377692&loc=d3e61901-109447 + Details
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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=123726172&loc=d3e511914-122862 + Details
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- Definition Capitalized costs of proved properties incurred for any combination mineral interests acquisitions; wells and related equipment; support equipment and facilities; and uncompleted wells and equipment and other costs not previously disclosed within this table. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 360 -URI http://asc.fasb.org/subtopic&trid=2145654 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 235 -Section 50 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=123377692&loc=d3e61901-109447 + Details
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- References No definition available. + Details
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- Definition Oil and gas properties, gross, carried under the full cost method. + References No definition available. + Details
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- Definition Oil and gas properties, net of depletion, carried under the full cost method. + References No definition available. + Details
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