XML 81 R3.htm IDEA: XBRL DOCUMENT v3.19.3
UNAUDITED CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) - shares
Sep. 30, 2019
Dec. 31, 2018
Common units issued (in units) 122,579,218 122,579,218
Common units outstanding (in units) 122,579,218 122,579,218
Class A Convertible Preferred Stock Units    
Number preferred units issued (in units) 25,336,778 24,438,022
Number of preferred units outstanding (in units) 25,336,778 24,438,022
Redeemable Noncontrolling Interest Preferred Units    
Number preferred units issued (in units) 55,000,000 0
Number of preferred units outstanding (in units) 55,000,000 0