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Equity Method Investments - Narrative (Details)
$ in Thousands
1 Months Ended 2 Months Ended 12 Months Ended
May 31, 2019
USD ($)
Feb. 27, 2020
USD ($)
Dec. 31, 2019
USD ($)
joint_venture
Dec. 31, 2018
USD ($)
Dec. 31, 2017
USD ($)
Schedule of Equity Method Investments [Line Items]          
Equity method investments     $ 246,984 $ 104,770  
Equity method investment contributions     $ 139,294 $ 173 $ 3,531
Number of joint ventures | joint_venture     2    
Red River          
Schedule of Equity Method Investments [Line Items]          
Equity method investments $ 124,700        
Equity method investment, ownership percentage 33.00%        
Red River Start Up Capital          
Schedule of Equity Method Investments [Line Items]          
Equity method investment contributions $ 400        
Red River Expansion          
Schedule of Equity Method Investments [Line Items]          
Equity method investment contributions $ 3,500        
CP LLC          
Schedule of Equity Method Investments [Line Items]          
Equity method investment, ownership percentage     50.00%    
Rangeland Rio          
Schedule of Equity Method Investments [Line Items]          
Equity method investment, ownership percentage     33.00%    
Subsequent Event | Red River Expansion          
Schedule of Equity Method Investments [Line Items]          
Equity method investment contributions   $ 8,200