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Supplemental Oil and Gas Reserve Information - Unaudited - Standardized Measure of Discounted Future Cash Flows (Details) - USD ($) $ in Thousands | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
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Oil and Gas Exploration and Production Industries Disclosures [Abstract] |  |  |  |
Future cash inflows | $ 44,544,247 | $ 13,366,064 | $ 5,197,220 |
Future production costs | (15,879,712) | (6,548,794) | (2,792,921) |
Future development costs | (2,553,605) | (1,322,207) | (610,658) |
Future income tax expense | (5,283,201) | (717,721) | (232,849) |
Future net cash flows | 20,827,729 | 4,777,342 | 1,560,792 |
10% annual discount for estimated timing of cash flows | (9,333,254) | (2,080,404) | (611,915) |
Standardized measure of discounted future net cash flows | $ 11,494,475 | $ 2,696,938 | $ 948,877 | $ 2,844,369

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- Definition Amount of estimated future accumulated cash outflow for costs to be incurred in developing proved oil and gas reserves. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher SEC -Name Form 20-F -Section Item 18 -Subsection Instruction 2 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 235 -Section 55 -Paragraph 6 -URI https://asc.fasb.org/extlink&oid=34713648&loc=d3e63094-109448 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 235 -Section 50 -Paragraph 31 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=126939881&loc=d3e62455-109447 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 235 -Section 50 -Paragraph 33 -URI https://asc.fasb.org/extlink&oid=126939881&loc=d3e62479-109447 + Details
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- Definition Amount of estimated future accumulated cash outflow for income tax, based on the future income less future expense derived from production and sale of proved oil and gas reserves. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher SEC -Name Form 20-F -Section Item 18 -Subsection Instruction 2 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 235 -Section 50 -Paragraph 31 -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=126939881&loc=d3e62455-109447 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 235 -Section 50 -Paragraph 33 -URI https://asc.fasb.org/extlink&oid=126939881&loc=d3e62479-109447 Reference 4: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 235 -Section 55 -Paragraph 6 -URI https://asc.fasb.org/extlink&oid=34713648&loc=d3e63094-109448 + Details
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