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Acquisitions and Divestitures (Tables)
 6 Months Ended
Jun. 30, 2026
Brazos Delaware  
Business Combination [Line Items]  
Acquisition Date Fair Value Table
The following is the preliminary acquisition-date fair value for the assets acquired and liabilities assumed in the acquisition. The preliminary fair values are subject to change within the measurement period (up to one year from the acquisition date), pending a final determination of the values assigned to tangible and identifiable intangible assets and certain customary post-closing working capital adjustments.

thousands
Assets acquired:
Cash and cash equivalents$3,991 
Accounts receivable, net79,065 
Other current assets1,284 
Property, plant, and equipment1,126,838 
Goodwill35,889 
Other intangible assets
495,000 
Other assets19,220 
Total assets acquired1,761,287 
Liabilities assumed:
Accounts payable and accrued liabilities
43,139 
Other current liabilities7,777 
Asset retirement obligation20,313 
Other liabilities17,813 
Total liabilities assumed
89,042 
Net assets acquired$1,672,245 
Pro-Forma Information Table
The following table presents the pro forma condensed financial information of the Partnership as if the acquisition had occurred on January 1, 2025:
Three Months Ended
June 30,		Six Months Ended 
June 30,
thousands2026202520262025
Revenues and other$1,281,810 $1,022,156 $2,491,214 $2,016,972 
Net income (loss)
413,623 361,206 790,277 686,262 

The following table presents the pro forma condensed financial information of WES Operating (which is included in the Partnership’s pro forma condensed financial information) as if the acquisition had occurred on January 1, 2025:
Three Months Ended
June 30,		Six Months Ended 
June 30,
thousands2026202520262025
Revenues and other$1,281,810 $1,022,156 $2,491,214 $2,016,972 
Net income (loss)
416,174 361,458 796,458 686,280 
Aris  
Business Combination [Line Items]  
Acquisition Date Fair Value Table
The following is the final acquisition-date fair value for the assets acquired and liabilities assumed in the Aris acquisition. Measurement period adjustments recorded during the six months ended June 30, 2026, resulted in a $2.3 million increase to goodwill.

thousands
Assets acquired:
Cash and cash equivalents$46,362 
Accounts receivable, net90,717 
Other current assets7,651 
Property, plant, and equipment1,459,508 
Goodwill
350,807 
Other intangible assets
298,844 
Other assets16,706 
Total assets acquired2,270,595 
Liabilities assumed:
Accounts payable and accrued liabilities
11,474 
Other current liabilities153,590 
Long-term debt
531,675 
Asset retirement obligation52,020 
Other liabilities94,651 
Total liabilities assumed
843,410 
Net assets acquired$1,427,185