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Supplemental Information on Oil and Natural Gas Operations (Unaudited) - Standardized Measure of Discounted Future Net Cash Flows Relating to Proved Oil, Natural Gas and NGL Reserves Rollforward (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
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Dec. 31, 2021 | Dec. 31, 2022 | Sep. 30, 2021
Increase (Decrease) in Standardized Measure of Discounted Future Net Cash Flows Relating to Proved Oil and Gas Reserves [Roll Forward] |  |  |
Balance, beginning of period | $ 552,936 | $ 703,469 | $ 302,338
Sales of crude oil, natural gas and NGLs, net | (46,226) | (267,612) | (118,030)
Net change in prices and production costs | 194,596 | 406,803 | 237,475
Net changes in future development costs | 1,267 | (40,226) | (18,856)
Extensions and discoveries | 35,111 | 321,009 | 144,392
Revisions of previous quantity estimates | (536) | (83,188) | 50,283
Previously estimated development costs incurred | 4,182 | 8,775 | 12,844
Net change in income taxes | (47,881) | (117,098) | (124,625)
Accretion of discount | 17,018 | 87,914 | 30,551
Other | (6,998) | 88,530 | 36,564
Balance, end of period | $ 703,469 | $ 1,108,376 | $ 552,936

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- Definition Amount of increase (decrease) in standardized measure of discounted future net cash flow as a result of extensions, discoveries and improved recovery 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 35A -URI https://asc.fasb.org/extlink&oid=126939881&loc=SL6807758-109447 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 235 -Section 55 -Paragraph 7 -URI https://asc.fasb.org/extlink&oid=34713648&loc=d3e63123-109448 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 235 -Section 50 -Paragraph 35 -Subparagraph (d) -URI https://asc.fasb.org/extlink&oid=126939881&loc=d3e62500-109447 + Details
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- Definition Amount of increase (decrease) in standardized measure of discounted future net cash flow as a result of change in estimated future development costs. + 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 35A -URI https://asc.fasb.org/extlink&oid=126939881&loc=SL6807758-109447 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 235 -Section 50 -Paragraph 35 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=126939881&loc=d3e62500-109447 Reference 4: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 235 -Section 55 -Paragraph 7 -URI https://asc.fasb.org/extlink&oid=34713648&loc=d3e63123-109448 + Details
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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
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