Condensed Consolidated Balance Sheets (Parenthetical)	Sep. 30, 2013	Dec. 31, 2012
Common Units
Units issued	176,846,810	97,324,453
Units outstanding	176,846,810	97,324,453
Subordinated Units
Units issued	0	69,076,122
Units outstanding	0	69,076,122
Convertible Class B Units
Units issued	12,286,294	11,858,050
Units outstanding	12,286,294	11,858,050
Subordinated Class C Units
Units issued	11,199,268	11,199,268
Units outstanding	11,199,268	11,199,268