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Earnings Per Unit - Schedule of Potentially Dilutive Securities excluded from Computation of Earnings Per Share (Details) - shares
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Earnings Per Share Basic [Line Items]      
Potentially dilutive securities (in shares) 14,968,000 189,000 2,608,000
Series A redeemable preferred units on an as-converted basis | Common Units      
Earnings Per Share Basic [Line Items]      
Potentially dilutive securities (in shares) 0 189,000 996,000
Series A redeemable preferred units on an as-converted basis | Subordinate Units      
Earnings Per Share Basic [Line Items]      
Potentially dilutive securities (in shares) 0 0 1,304,000
Series B cumulative convertible preferred units on an as-converted basis | Subordinate Units      
Earnings Per Share Basic [Line Items]      
Potentially dilutive securities (in shares) 14,968,000 0 1,612,000