UNAUDITED CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical)	Jun. 30, 2014	Dec. 31, 2013
Statement of Financial Position [Abstract]
Common limited partner capital, units issued	34,423,369	29,079,866
Common limited partner capital, units outstanding	34,423,369	29,079,866
Subordinated limited partner capital, units issued	24,409,850	24,409,850
Subordinated limited partner capital, units outstanding	24,409,850	24,409,850
General partner interests, units issued	1,200,651	1,091,453
General partner interests, units outstanding	1,200,651	1,091,453