Equity - Private Perpetual Preferred Units (Details) (USD $)	3 Months Ended	9 Months Ended			1 Months Ended
	Sep. 30, 2014	Sep. 30, 2014	Sep. 30, 2013	Aug. 31, 2014	Aug. 31, 2014 Private Perpetual Preferred Units [Member]	Sep. 30, 2014 Private Perpetual Preferred Units [Member]
Class of Stock [Line Items]
Units Issued issued					1,609,813
Preferred Unit, Liquidation Preference				$ 16.62	$ 16.62
Preferred Unit, Dividend Rate					$ 0.60
Offering Expense					$ 1,400,000
Dividends, Per Unit, Declared						$ 0.15
Payment of Distributions	$ 241,000	$ 241,000	$ 0