Selected Components of Working Capital - Accrued Liabilities Table (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Accrued interest expense	$ 86,369	$ 124,937
Short-term asset retirement obligations	3,790	7,606
Short-term remediation and reclamation obligations	1,790	5,490
Income taxes payable	4,201	2,908
Contract liabilities	11,875	16,866
Accrued payroll and benefits	30,598	55,237
Other	35,098	49,528
Total accrued liabilities	173,721	262,572
WES Operating [Member]
Accrued interest expense	86,369	124,937
Short-term asset retirement obligations	3,790	7,606
Short-term remediation and reclamation obligations	1,790	5,490
Income taxes payable	4,201	2,908
Contract liabilities	11,875	16,866
Accrued payroll and benefits	0	2,243
Other	35,001	43,411
Total accrued liabilities	$ 143,026	$ 203,461