Selected Components of Working Capital - Accrued Liabilities Table (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Accrued interest expense	$ 90,181	$ 124,937
Short-term asset retirement obligations	9,864	7,606
Short-term remediation and reclamation obligations	1,243	5,490
Income taxes payable	6,397	2,908
Contract liabilities	10,076	16,866
Accrued payroll and benefits	50,721	55,237
Other	35,239	49,528
Total accrued liabilities	203,721	262,572
WES Operating [Member]
Accrued interest expense	90,181	124,937
Short-term asset retirement obligations	9,864	7,606
Short-term remediation and reclamation obligations	1,243	5,490
Income taxes payable	6,397	2,908
Contract liabilities	10,076	16,866
Accrued payroll and benefits	0	2,243
Other	33,989	43,411
Total accrued liabilities	$ 151,750	$ 203,461