Description of Business and Basis of Presentation - Additional Information (Details) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2024	Mar. 31, 2023
Long-Term Incentive Plans [Member]
Equity-based compensation, number of units issued	970,155
Equity-based compensation, expense	$ 9.4	$ 7.2
WES Operating [Member]
Ownership interest by noncontrolling interest owner	2.00%
Chipeta [Member]
Ownership interest by noncontrolling interest owner	25.00%
WES [Member] \| WES Operating [Member]
Ownership interest	98.00%

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Percentage investment held by members or limited partners of limited liability company (LLC) or limited partnership (LP).

+ References

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The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity.

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Number, after forfeiture, of shares or units issued under share-based payment arrangement. Excludes shares or units issued under employee stock ownership plan (ESOP).

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