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Acquisitions - Narrative (Details) $ in Thousands |  |  | 3 Months Ended
--- | --- | --- | ---
Nov. 06, 2025 | Jun. 01, 2023 USD ($) a | Dec. 31, 2026 USD ($)
Subsequent Event | Vectren Energy Delivery of Ohio, LLC | Term Loan Facility, Commitment Letter |  |  |
Acquisition [Line Items] |  |  |
Debt instrument, term | 364 days |  |
Subsequent Event | Forecast | Vectren Energy Delivery of Ohio, LLC |  |  |
Acquisition [Line Items] |  |  |
Total consideration |  |  | $ 2,620,000
Payments to acquire businesses, gross |  |  | 1,420,000
Subsequent Event | Forecast | Vectren Energy Delivery of Ohio, LLC | Promissory Note |  |  |
Acquisition [Line Items] |  |  |
Debt instrument, face amount |  |  | $ 1,200,000
Debt instrument, term |  |  | 364 days
Interest rate (in percent) |  |  | 6.50%
SWN Upstream Asset Acquisition |  |  |
Acquisition [Line Items] |  |  |
Total consideration |  | $ 124,758 |
Net acres acquired in Appalachia | a |  | 34,000 |

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