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Equity-Based Compensation - Additional Information (Details)
$ in Millions
1 Months Ended 3 Months Ended 6 Months Ended
Jul. 31, 2021
NonEmployeeDirector
shares
Feb. 28, 2021
NonEmployeeDirector
shares
Jun. 30, 2021
USD ($)
Jun. 30, 2020
USD ($)
shares
Jun. 30, 2021
USD ($)
Dec. 31, 2020
USD ($)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Equity-based employee and directors compensation expense | $     $ 0.4   $ 0.8  
Liability for equity-based awards | $           $ 0.9
Phantom Units [Member]            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Phantom units granted   1,509        
Number of non-employee directors to whom Phantom Units are granted. | NonEmployeeDirector   3        
Phantom Units [Member] | Subsequent Event [Member]            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Phantom units granted 3,252          
Number of non-employee directors to whom Phantom Units are granted. | NonEmployeeDirector 5          
Phantom units vested 16,833          
Phantom Units and Performance-based Awards [Member]            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Phantom units and performance-based awards units forfeited       6,090    
Phantom units and performance-based awards with an initial target value | $       $ 0.1