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] WES [Member]	WES Operating [Member] Chipeta [Member]	WES Operating [Member] Common Units [Member]	WES Operating [Member] Common Units [Member] WES [Member]	WES Operating [Member] Noncontrolling Interest [Member]	WES Operating [Member] Noncontrolling Interest [Member] Chipeta [Member]
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 WES							$ 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
Balance at Dec. 31, 2024	3,375,170		3,224,802	139,565		3,426,126			3,399,650		26,476
Increase (Decrease) in Partners' Capital [Roll Forward]
Net income (loss)	316,552		301,837	7,545		316,318			315,076		1,242
Distributions to WES Operating unitholders	(340,996)		(333,068)			(347,356)			(347,356)
Contributions of equity-based compensation from WES							$ 8,144			$ 8,144
Balance at Mar. 31, 2025	$ 3,333,571		$ 3,183,365	$ 140,161		$ 3,403,232			$ 3,375,514		$ 27,718