Earnings Per Unit - Additional Information (Details) - shares	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Common Units
Earnings Per Share Basic [Line Items]
Number of performance units award included in calculation of diluted EPU	146,000	15,200,000	0
Subordinated Units
Earnings Per Share Basic [Line Items]
Number of performance units award included in calculation of diluted EPU	0	247,000	0
Restricted Performance Units | Common Units
Earnings Per Share Basic [Line Items]
Number of performance units award included in calculation of diluted EPU	0
Restricted Performance Units | Subordinated Units
Earnings Per Share Basic [Line Items]
Number of performance units award included in calculation of diluted EPU	0