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Summary of Significant Accounting Policies - Oil and natural gas properties (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2024 | Sep. 30, 2023 | Sep. 30, 2024 | Sep. 30, 2023
Oil and natural gas properties |  |  |  |
Depletion expense | $ 43,900 | $ 44,100 | $ 126,100 | $ 112,700
Unproved property impairment | 0 | 0 | 732 | 0
Permian | Unproved oil and natural gas properties |  |  |  |
Oil and natural gas properties |  |  |  |
Proved property impairment | $ 0 | 0 | $ 0 | 0
Unproved property impairment |  | $ 0 |  | $ 0

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- Definition Amount of impairment loss for oil and gas properties with unproved reserve in oil- and gas-producing activities. Includes, but is not limited to, previously capitalized cost of drilling exploratory well when proved reserve is not found or when there is substantial doubt about economic or operational viability of project. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Subparagraph (b) -SubTopic 10 -Topic 230 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-28 + Details
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- Definition Amount of impairment loss for oil and gas properties with proved and unproved reserves in oil- and gas-producing activities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Subparagraph (b) -SubTopic 10 -Topic 230 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-28 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 360 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482099/360-10-50-2 + Details
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