Partnership Distributions (Details 1) - USD ($) $ / shares in Units, $ in Thousands				3 Months Ended
	Apr. 27, 2017	Feb. 14, 2017	Sep. 30, 2016	Mar. 31, 2017	Dec. 31, 2016
Distribution Made to Limited Partner [Line Items]
Distribution period				45 days
Distributions		$ 13,782
Common Units
Distribution Made to Limited Partner [Line Items]
Distribution ($ per unit)		$ 0.4333	$ 0.0408		$ 0.3925
Distributions		$ 6,891
Subordinated Unitholders
Distribution Made to Limited Partner [Line Items]
Distributions		$ 6,891
Subsequent Event | Common Units
Distribution Made to Limited Partner [Line Items]
Distribution ($ per unit)	$ 0.4108