Consolidated Statements of Equity and Partners' Capital - WES Operating - USD ($) $ in Thousands	Total	Chipeta [Member]	Common Units [Member]	Noncontrolling Interest [Member]	Noncontrolling Interest [Member] Chipeta [Member]	WES Operating [Member]	WES Operating [Member] Chipeta [Member]	WES Operating [Member] Common Units [Member]	WES Operating [Member] Noncontrolling Interest [Member]	WES Operating [Member] Noncontrolling Interest [Member] Chipeta [Member]
Balance at Dec. 31, 2022	$ 3,108,115		$ 2,969,604	$ 136,406		$ 3,120,107		$ 3,092,012	$ 28,095
Increase (Decrease) in Partners' Capital [Roll Forward]
Net income (loss)	208,341		198,959	4,696		208,548		208,013	535
Distributions to noncontrolling interest owners		$ (2,240)			$ (2,240)		$ (2,240)			$ (2,240)
Distributions to WES Operating unitholders	(196,569)		(192,039)			(213,513)		(213,513)
Contributions of equity-based compensation from related parties						7,058		7,058
Balance at Mar. 31, 2023	3,101,564		2,964,712	134,591		3,119,960		3,093,570	26,390
Balance at Dec. 31, 2023	3,029,130		2,894,231	131,706		3,052,354		3,027,031	25,323
Increase (Decrease) in Partners' Capital [Roll Forward]
Net income (loss)	586,216		559,500	13,386		586,517		584,831	1,686
Distributions to noncontrolling interest owners		$ (1,085)			$ (1,085)		$ (1,085)			$ (1,085)
Distributions to WES Operating unitholders	(223,438)		(218,228)			(229,446)		(229,446)
Contributions of equity-based compensation from related parties						9,278		9,278
Balance at Mar. 31, 2024	$ 3,376,291		$ 3,225,562	$ 139,416		$ 3,417,618		$ 3,391,694	$ 25,924