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Description of the Business - Narrative (Details) - shares
3 Months Ended
Mar. 31, 2020
Dec. 31, 2019
Limited Partner    
Capital Unit [Line Items]    
Limited Partners' Capital Account, Units Outstanding 77,956,842 77,560,355
General Partner    
Capital Unit [Line Items]    
General Partners' Capital Account, Units Outstanding 1,590,955  
CLMT General Partner [Member] | General Partner    
Capital Unit [Line Items]    
Limited Liability Company (LLC) or Limited Partnership (LP), Managing Member or General Partner, Ownership Interest 2.00%  
CLMT Limited Partner [Member] | Limited Partner    
Capital Unit [Line Items]    
Limited Liability Company or Limited Partnership, Members or Limited Partners, Ownership Interest 98.00%