Partnership Distributions - Cash Distributions Tables (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Dec. 31, 2021	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021
Distribution Made to Limited Partner [Line Items]
Total quarterly per-unit distribution	$ 0.50000	$ 0.50000	$ 0.50000	$ 0.32700	$ 0.32300	$ 0.31900	$ 0.31500
Total quarterly cash distribution	$ 197,065	$ 197,744	$ 206,197	$ 134,749	$ 134,862	$ 134,662	$ 132,969
WES Operating [Member]
Distribution Made to Limited Partner [Line Items]
Total quarterly cash distribution	$ 213,513	$ 213,513	$ 213,513	$ 140,217	$ 140,217	$ 140,217	$ 137,030