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Leases - Related Party Lease Disclosure (Details) $ in Thousands | 3 Months Ended | 9 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | --- | ---
Sep. 30, 2025 USD ($) area | Sep. 30, 2024 USD ($) | Sep. 30, 2025 USD ($) area | Sep. 30, 2024 USD ($) | Dec. 31, 2019 D | Jan. 01, 2025 USD ($) | Dec. 31, 2024 USD ($)
Antero Midstream Corporation |  |  |  |  |  |  |
Leases |  |  |  |  |  |  |
Minimum volume commitments that require Antero to utilize or pay certain percentage of the capacity of new construction for high pressure lines (as a percent) |  |  |  |  | 75.00% |  |
Minimum volume commitments that require Antero to utilize or pay certain percentage of the capacity of new construction of compressor stations (as a percent) |  |  |  |  | 70.00% |  |
Term of lease |  |  |  |  | 10 years |  |
Notice period |  |  |  |  | 180 days |  |
Gathering and compression fees paid | $ 212,000 | $ 207,000 | $ 629,000 | $ 608,000 |  |  |
Percentage of rate of return |  |  |  |  | 13.00% |  |
Term for rate of return on constructions |  |  |  |  | 7 years |  |
Antero Midstream Corporation | Marcellus |  |  |  |  |  |  |
Leases |  |  |  |  |  |  |
Minimum volume commitments that require Antero to utilize or pay certain percentage of the capacity of new construction of compressor stations (as a percent) |  |  |  |  | 25.00% |  |
Term of lease |  |  |  |  | 10 years |  |
Gathering and Compression Agreement | Utica |  |  |  |  |  |  |
Leases |  |  |  |  |  |  |
Number of dedicated areas | area | 1 |  | 1 |  |  |  |
Gathering and Compression Agreement | Mountaineer | Antero Midstream Corporation |  |  |  |  |  |  |
Leases |  |  |  |  |  |  |
Number of days from date of asset in service considered for lease term | D |  |  |  |  | 90 |  |
Term of lease |  |  |  |  | 12 years |  |
Minimum volume commitments |  |  |  |  |  | 0 |
Affiliated Entity |  |  |  |  |  |  |
Leases |  |  |  |  |  |  |
Accounts payable | $ 104,448 |  | $ 104,448 |  |  |  | $ 111,066
Affiliated Entity | Antero Midstream Corporation |  |  |  |  |  |  |
Leases |  |  |  |  |  |  |
Accounts payable | $ 82,000 |  | $ 82,000 |  |  |  | $ 79,000

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