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Equity Method Investments
 3 Months Ended
Mar. 31, 2024
Equity Method Investments and Joint Ventures [Abstract]  
Equity Method Investments Equity Method Investments
The Partnership owns a 33% membership interest in Red River Pipeline Company LLC ("Red River"), a joint venture operated with Plains Pipeline, L.P. Red River owns a 16-inch crude oil pipeline running from Cushing, Oklahoma to Longview, Texas with capacity of 235,000 bpd. Additionally, we have two pipeline joint ventures, in which we own a 50% membership interest in the entity formed with an affiliate of Plains All American Pipeline, L.P. ("CP LLC") to operate one of these pipeline systems and a 33% membership interest in the entity formed with Andeavor Logistics RIO Pipeline LLC ("Andeavor Logistics") to operate the other pipeline system.
The Partnership's investment balances in these joint ventures were as follows (in thousands):
As of March 31, 2024As of December 31, 2023
Red River$140,036 $141,091 
CP LLC60,254 61,273 
Andeavor Logistics37,895 38,973 
Total Equity Method Investments$238,185 $241,337