Consolidated Balance Sheets (Parenthetical) - shares	Sep. 30, 2016	Dec. 31, 2015
Statement of Financial Position [Abstract]
Limited Partners' Capital Account, Units Issued	69,480,556	68,555,305
Limited Partners' Capital Account, Units Outstanding	69,480,556	68,555,305
Preferred Units, Issued	65,029,388	60,718,245
Preferred Units, Outstanding	65,029,388	60,718,245