v3.22.1

Equity and Partners' Capital - Additional Information (Details) - USD ($) $ in Thousands | 1 Months Ended | 3 Months Ended |  |
--- | --- | --- | --- | ---
Mar. 31, 2021 | Mar. 31, 2022 | Mar. 31, 2021 | Dec. 31, 2021 | Nov. 30, 2020
Schedule of Investments [Line Items] |  |  |  |  |
Common units outstanding |  | 403,333,810 |  | 402,993,919 |
General partner units outstanding |  | 9,060,641 |  | 9,060,641 |
Unit repurchases, authorized amount |  | $ 1,000,000 |  |  | $ 250,000
Unit repurchases, amount |  | 5,149 | $ 16,241 |  |
Unit repurchases, remaining authorized amount |  | $ 994,900 |  |  |
Public [Member] |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Unit repurchases, number of units |  | 225,355 | 1,115,808 |  |
Unit repurchases, amount |  | $ 5,100 | $ 16,200 |  |
WES [Member] | Public [Member] |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Common units outstanding |  | 203,052,232 |  |  |
Limited partner's interest |  | 49.20% |  |  |
WES [Member] | WES Operating [Member] |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Limited partner's interest |  | 98.00% |  |  |
Occidental [Member] | Limited Partner [Member] |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Units sold by a related party | 11,500,000 |  |  |  |
Units sold by a related party, over-allotment | 1,500,000 |  |  |  |
Occidental [Member] | WES [Member] |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Common units outstanding |  | 200,281,578 |  |  |
Limited partner's interest |  | 48.60% |  |  |
General partner units outstanding |  | 9,060,641 |  |  |
General partner's interest |  | 2.20% |  |  |
Occidental [Member] | WES Operating [Member] |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Limited partner's interest |  | 2.00% |  |  |

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