Partners' Capital (EPU) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Weighted Average Units Outstanding - Basic and diluted	13,939,993	3,935,297	13,671,557	3,333,482
Restricted unvested common units granted and outstanding	390,375		390,375
Assumed net loss to be allocated	$ (8,624)	$ (17,207)	$ (26,312)	$ (27,947)
Net loss per unit - Basic and diluted	$ (0.62)	$ (4.37)	$ (1.92)	$ (8.38)
Asset impairments			$ 4,688	$ 1,309
Common Units [Member]
Weighted Average Units Outstanding - Basic and diluted	13,939,993	3,935,297	13,671,557	3,333,482
Assumed net loss to be allocated	$ (8,624)	$ (17,207)	$ (26,312)	$ (27,947)
Net loss per unit - Basic and diluted	$ (0.62)	$ (4.37)	$ (1.92)	$ (8.38)
Restricted Unvested Units [Member]
Assumed net loss to be allocated			$ 0