v3.25.1

Debt - Debt Outstanding Table (Details) - USD ($) $ in Thousands | Mar. 31, 2025 | Dec. 31, 2024
--- | --- | ---
Debt Instrument [Line Items] |  |
Total short-term debt, principal | $ 350,761 | $ 1,011,545
Total short-term debt, carrying value | 350,597 | 1,011,032
Total long-term debt, carrying value | 6,925,033 | 6,926,647
Valuation, Market Approach [Member] | Level-2 Inputs [Member] |  |
Debt Instrument [Line Items] |  |
Short-term debt, fair value | 350,121 | 1,008,622
Long-Term Debt Obligations [Member] |  |
Debt Instrument [Line Items] |  |
Total long-term debt, principal | 6,997,026 | 7,000,163
Total long-term debt, carrying value | 6,925,033 | 6,926,647
Long-Term Debt Obligations [Member] | Valuation, Market Approach [Member] | Level-2 Inputs [Member] |  |
Debt Instrument [Line Items] |  |
Long-term debt, fair value | 6,624,458 | 6,571,456
WES Operating [Member] |  |
Debt Instrument [Line Items] |  |
Total short-term debt, carrying value | 350,597 | 1,011,032
Total long-term debt, carrying value | 6,925,033 | 6,926,647
WES Operating [Member] | Finance Lease Liability, Short Term [Member] |  |
Debt Instrument [Line Items] |  |
Finance leases - short-term debt | 14,003 | 10,956
WES Operating [Member] | Finance Lease Liability, Long Term [Member] |  |
Debt Instrument [Line Items] |  |
Finance leases - long-term debt | 20,192 | 23,329
WES Operating [Member] | Valuation, Market Approach [Member] | Level-2 Inputs [Member] | Finance Lease Liability, Short Term [Member] |  |
Debt Instrument [Line Items] |  |
Finance leases - short-term debt | 14,003 | 10,956
WES Operating [Member] | Valuation, Market Approach [Member] | Level-2 Inputs [Member] | Finance Lease Liability, Long Term [Member] |  |
Debt Instrument [Line Items] |  |
Finance leases - long-term debt | 20,192 | 23,329
WES Operating [Member] | Senior Notes [Member] |  |
Debt Instrument [Line Items] |  |
Principal | 6,976,834 | 6,976,834
Long-term debt, carrying value | 6,904,841 | 6,903,318
WES Operating [Member] | Senior Notes [Member] | Valuation, Market Approach [Member] | Level-2 Inputs [Member] |  |
Debt Instrument [Line Items] |  |
Long-term debt, fair value | 6,604,266 | 6,548,127
WES Operating [Member] | Senior Notes [Member] |  |
Debt Instrument [Line Items] |  |
Principal | 336,758 | 1,000,589
Short-term debt, carrying value | 336,594 | 1,000,076
WES Operating [Member] | Senior Notes [Member] | Valuation, Market Approach [Member] | Level-2 Inputs [Member] |  |
Debt Instrument [Line Items] |  |
Short-term debt, fair value | $ 336,118 | $ 997,666

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