Consolidated Balance Sheets (Parenthetical)
Dec. 31, 2014
Dec. 31, 2013
General partners' interest units issued 392,000 185,000
General partners' interest units outstanding 392,000 185,000
Limited partners, units issued 22,670,000 7,414,000
Limited partners, units outstanding 22,670,000 7,414,000
Series A    
Preferred units issued 5,745,000 5,279,000
Preferred units outstanding 5,745,000 5,279,000
Series B    
Preferred units issued 1,255,000 0
Preferred units outstanding 1,255,000 0