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Related-Party Transactions - Summary of WES Operating Related-Party Transactions Tables (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2024
Mar. 31, 2023
Dec. 31, 2023
Consolidated statements of operations [Abstract]      
General and administrative $ 67,839 $ 51,117  
Consolidated balance sheets [Abstract]      
Accounts receivable, net 720,351   $ 666,637
Other current assets 50,750   52,986
Other assets [1] 249,479   233,455
Accounts and imbalance payables 377,499   362,451
Accrued liabilities 173,721   262,572
Consolidated statements of cash flows [Abstract]      
Distributions to WES Operating unitholders [2] (223,438) (196,569)  
Related Parties [Member]      
Consolidated statements of operations [Abstract]      
General and administrative 0 67  
Consolidated balance sheets [Abstract]      
Accounts receivable, net 389,721   358,141
Other current assets 3,277   1,260
Other assets 43,534   43,216
Accounts and imbalance payables 38,739   38,541
Accrued liabilities 5,009   4,979
Consolidated statements of cash flows [Abstract]      
Distributions to WES Operating unitholders (111,689) (99,671)  
WES Operating [Member]      
Consolidated statements of operations [Abstract]      
General and administrative 67,479 50,885  
Consolidated balance sheets [Abstract]      
Accounts receivable, net 738,487   666,615
Other current assets 48,888   50,468
Other assets [3] 246,053   231,644
Accounts and imbalance payables 377,358   392,752
Accrued liabilities 143,026   203,461
Consolidated statements of cash flows [Abstract]      
Distributions to WES Operating unitholders [4] (229,446) (213,513)  
WES Operating [Member] | Related Parties [Member]      
Consolidated statements of operations [Abstract]      
General and administrative 1,306 1,281  
Consolidated balance sheets [Abstract]      
Accounts receivable, net 407,881   358,141
Other current assets 3,218   1,235
Other assets 40,108   41,405
Accounts and imbalance payables 38,739   69,472
Accrued liabilities 4,692   $ 4,662
Consolidated statements of cash flows [Abstract]      
Distributions to WES Operating unitholders $ (229,446) $ (213,513)  
[1] Other assets includes $5.5 million and $5.7 million of NGLs line-fill inventory as of March 31, 2024, and December 31, 2023, respectively. Other assets also includes $107.1 million and $96.3 million of materials and supplies inventory as of March 31, 2024, and December 31, 2023, respectively.
[2] Includes related-party amounts. See Note 6.
[3] Other assets includes $5.5 million and $5.7 million of NGLs line-fill inventory as of March 31, 2024, and December 31, 2023, respectively. Other assets also includes $107.1 million and $96.3 million of materials and supplies inventory as of March 31, 2024, and December 31, 2023, respectively.
[4] Includes related-party amounts. See Note 6.