Reportable Segments - Summarized Assets (Details) - USD ($) $ in Thousands |
Sep. 30, 2026 |
Dec. 31, 2025 |
|---|---|---|
| Reportable Segments | ||
| Investments in unconsolidated affiliates | $ 348,005 | $ 245,653 |
| Total assets | 15,579,491 | 13,245,407 |
| Operating segments | Exploration and Production | ||
| Reportable Segments | ||
| Investments in unconsolidated affiliates | 348,005 | 245,653 |
| Total assets | 15,568,052 | 13,238,013 |
| Operating segments | Marketing | ||
| Reportable Segments | ||
| Total assets | 11,439 | 7,394 |
| Operating segments | Equity Method Investment in Antero Midstream | ||
| Reportable Segments | ||
| Investments in unconsolidated affiliates | 567,510 | 585,778 |
| Total assets | 6,341,080 | 5,884,116 |
| Elimination of Unconsolidated Affiliate | ||
| Reportable Segments | ||
| Investments in unconsolidated affiliates | (567,510) | (585,778) |
| Total assets | $ (6,341,080) | $ (5,884,116) |
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- Definition Amount of asset recognized for present right to economic benefit. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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