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v3.26.1

Related-Party Transactions - Summary of WES Operating Related-Party Transactions Tables (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2026 | Jun. 30, 2025 | Jun. 30, 2026 | Jun. 30, 2025 | Dec. 31, 2025
Consolidated statements of operations [Abstract] |  |  |  |  |  |
General and administrative |  | $ 85,929 | $ 66,146 | $ 161,079 | $ 132,932 |
Consolidated balance sheets [Abstract] |  |  |  |  |  |
Other current assets |  | 78,756 |  | 78,756 |  | $ 64,253
Other assets |  | 367,610 |  | 367,610 |  | 348,697
Accounts and imbalance payables |  | 510,372 |  | 510,372 |  | 319,170
Consolidated statements of cash flows [Abstract] |  |  |  |  |  |
Distributions to WES Operating unitholders | [1] |  |  | (754,318) | (696,249) |
Related Parties [Member] |  |  |  |  |  |
Consolidated statements of operations [Abstract] |  |  |  |  |  |
General and administrative |  | 0 | 179 | (20) | 210 |
Consolidated balance sheets [Abstract] |  |  |  |  |  |
Other current assets |  | 8,819 |  | 8,819 |  | 524
Other assets |  | 33,311 |  | 33,311 |  | 33,124
Accounts and imbalance payables |  | 30,545 |  | 30,545 |  | 20,639
Consolidated statements of cash flows [Abstract] |  |  |  |  |  |
Distributions to WES Operating unitholders |  |  |  | (307,289) | (311,914) |
WES Operating [Member] |  |  |  |  |  |
Consolidated statements of operations [Abstract] |  |  |  |  |  |
General and administrative |  | 85,226 | 65,845 | 160,031 | 132,819 |
Consolidated balance sheets [Abstract] |  |  |  |  |  |
Other current assets |  | 77,128 |  | 77,128 |  | 63,604
Other assets |  | 362,827 |  | 362,827 |  | 345,529
Accounts and imbalance payables |  | 513,455 |  | 513,455 |  | 376,947
Consolidated statements of cash flows [Abstract] |  |  |  |  |  |
Distributions to WES Operating unitholders | [2] |  |  | (764,594) | (710,646) |
WES Operating [Member] | Related Parties [Member] |  |  |  |  |  |
Consolidated statements of operations [Abstract] |  |  |  |  |  |
General and administrative |  | 980 | $ 1,019 | 2,480 | 2,556 |
Consolidated balance sheets [Abstract] |  |  |  |  |  |
Other current assets |  | 8,636 |  | 8,636 |  | 447
Other assets |  | 28,529 |  | 28,529 |  | 29,957
Accounts and imbalance payables |  | $ 33,857 |  | 33,857 |  | $ 76,040
Consolidated statements of cash flows [Abstract] |  |  |  |  |  |
Distributions to WES Operating unitholders |  |  |  | $ (764,594) | $ (710,646) |
[1] | See Note 6.
[2] | See Note 6.

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