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PARTNERS' CAPITAL - Narrative (Details) - USD ($)
$ / shares in Units, $ in Millions
9 Months Ended 53 Months Ended
Sep. 30, 2022
Sep. 30, 2022
May 31, 2018
Partners' capital      
Treasury units retired $ 0.0    
Limited Partners' Capital      
Partners' capital      
Repurchase and retire authorization     $ 100.0
Treasury units retired   $ 93.5  
Number of units retired   5,460,639  
Repurchase price (in dollars per unit)   $ 17.12  
Remaining authorized amount $ 6.5 $ 6.5