v3.22.1

Selected Components of Working Capital - Accrued Liabilities Table (Details) - USD ($) $ in Thousands | Mar. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Accrued interest expense | $ 65,562 | $ 131,177
Short-term asset retirement obligations | 12,337 | 9,934
Short-term remediation and reclamation obligations | 8,316 | 7,454
Income taxes payable | 2,190 | 1,516
Contract liabilities | 8,924 | 27,763
Other | 62,918 | 85,405
Total accrued liabilities | 160,247 | 263,249
WES Operating [Member] |  |
Accrued interest expense | 65,562 | 131,177
Short-term asset retirement obligations | 12,337 | 9,934
Short-term remediation and reclamation obligations | 8,316 | 7,454
Income taxes payable | 2,190 | 1,516
Contract liabilities | 8,924 | 27,763
Other | 34,980 | 32,849
Total accrued liabilities | $ 132,309 | $ 210,693

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