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Condensed Consolidated Balance Sheets (Unaudited), (Parenthetical) - shares
Sep. 30, 2017
Feb. 27, 2017
Dec. 31, 2016
Equity      
Common units issued (units) 108,075,130 5,000,000 102,981,495
General partner units issued (units) 2,202,880 101,980 2,100,900