Related-Party Transactions - Summary of WES Operating Related-Party Transactions Tables (Details) - USD ($) $ in Thousands |
3 Months Ended | ||||||||
|---|---|---|---|---|---|---|---|---|---|
Mar. 31, 2022 |
Mar. 31, 2021 |
Dec. 31, 2021 |
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| Consolidated statements of operations [Abstract] | |||||||||
| General and administrative | $ 48,602 | $ 45,116 | |||||||
| Consolidated balance sheets [Abstract] | |||||||||
| Other assets | [1] | 159,707 | $ 158,696 | ||||||
| Accounts and imbalance payables | 395,893 | 326,061 | |||||||
| Accrued liabilities | 160,247 | 263,249 | |||||||
| Consolidated statements of cash flows [Abstract] | |||||||||
| Distributions to WES Operating unitholders | [2] | (134,749) | (131,265) | ||||||
| Related Parties [Member] | |||||||||
| Consolidated statements of operations [Abstract] | |||||||||
| General and administrative | 1,975 | 4,093 | |||||||
| Consolidated balance sheets [Abstract] | |||||||||
| Other assets | 46,531 | 45,494 | |||||||
| Accounts and imbalance payables | 47,281 | 49,242 | |||||||
| Accrued liabilities | 4,476 | 13,914 | |||||||
| Consolidated statements of cash flows [Abstract] | |||||||||
| Distributions to WES Operating unitholders | (65,492) | (66,642) | |||||||
| WES Operating [Member] | |||||||||
| Consolidated statements of operations [Abstract] | |||||||||
| General and administrative | 47,861 | 44,230 | |||||||
| Consolidated balance sheets [Abstract] | |||||||||
| Other assets | [3] | 158,795 | 158,696 | ||||||
| Accounts and imbalance payables | 412,221 | 374,443 | |||||||
| Accrued liabilities | 132,309 | 210,693 | |||||||
| Consolidated statements of cash flows [Abstract] | |||||||||
| Distributions to WES Operating unitholders | [2] | (140,217) | (127,470) | ||||||
| WES Operating [Member] | Related Parties [Member] | |||||||||
| Consolidated statements of operations [Abstract] | |||||||||
| General and administrative | 2,948 | 4,587 | |||||||
| Consolidated balance sheets [Abstract] | |||||||||
| Other assets | 45,619 | 45,494 | |||||||
| Accounts and imbalance payables | 64,211 | 97,749 | |||||||
| Accrued liabilities | 4,159 | $ 13,597 | |||||||
| Consolidated statements of cash flows [Abstract] | |||||||||
| Distributions to WES Operating unitholders | $ (140,217) | $ (127,470) | |||||||
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