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Revenue from Contracts with Customers - Disaggregation of Revenue (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2024 | Sep. 30, 2023 | Sep. 30, 2024 | Sep. 30, 2023
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue from sales to customers | $ 753,169 | $ 953,766 | $ 2,349,024 | $ 2,606,584
(Loss) on derivative instruments | (1,344) | 0 | (1,344) | 0
Gain on sale of assets and other income | 6,506 | 5,879 | 9,834 | 9,365
Total revenues and other income | 758,331 | 959,645 | 2,357,514 | 2,615,949
Revenue from production |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue from sales to customers | 753,169 | 945,889 | 2,345,282 | 2,541,956
Net crude oil and condensate revenue |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue from sales to customers | 662,188 | 822,493 | 2,068,580 | 2,196,713
Net natural gas liquids revenue |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue from sales to customers | 20,348 | 23,400 | 58,238 | 69,360
Net natural gas revenue |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue from sales to customers | 70,633 | 99,996 | 218,464 | 275,883
Sales of purchased natural gas |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue from sales to customers | 0 | 7,877 | 3,742 | 64,628
United States - Onshore | Net crude oil and condensate revenue |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue from sales to customers | 161,965 | 207,448 | 450,463 | 514,614
United States - Onshore | Net natural gas liquids revenue |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue from sales to customers | 8,134 | 9,953 | 23,281 | 24,763
United States - Onshore | Net natural gas revenue |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue from sales to customers | 4,265 | 6,035 | 11,893 | 15,623
United States - Offshore | Net crude oil and condensate revenue |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue from sales to customers | 399,940 | 568,721 | 1,382,071 | 1,549,872
United States - Offshore | Net natural gas liquids revenue |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue from sales to customers | 9,812 | 10,908 | 29,523 | 37,078
United States - Offshore | Net natural gas revenue |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue from sales to customers | 12,311 | 18,377 | 35,700 | 55,311
Canada - Onshore | Net crude oil and condensate revenue |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue from sales to customers | 20,852 | 20,610 | 54,305 | 61,868
Canada - Onshore | Net natural gas liquids revenue |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue from sales to customers | 2,402 | 2,539 | 5,434 | 7,519
Canada - Onshore | Net natural gas revenue |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue from sales to customers | 54,057 | 75,584 | 170,871 | 204,949
Canada - Onshore | Sales of purchased natural gas |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue from sales to customers | 0 | 7,877 | 3,742 | 64,628
Canada - Offshore | Net crude oil and condensate revenue |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue from sales to customers | 80,226 | 22,272 | 178,327 | 63,273
Other | Net crude oil and condensate revenue |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue from sales to customers | $ (795) | $ 3,442 | $ 3,414 | $ 7,086

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