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Earnings Per Share or Unit (Details) - shares
3 Months Ended 9 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Sep. 30, 2019
Sep. 30, 2018
Earnings Per Share [Abstract]        
Weighted average limited partner units outstanding, basic (in shares) 2,100,000 2,100,000 2,100,000 2,000,000.0
Antidilutive securities excluded from computation of earnings per share (in shares) 100,000 100,000 100,000 100,000
Dilutive impact (in shares) 0   0 0