Loss Per Common Unit (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Jun. 30, 2015	Jun. 30, 2014
Loss Per Unit
Net loss attributable to parent equity	$ (42,401)	$ (39,975)
Less: Net income allocated to general partner	(15,359)	(9,381)
NET LOSS ALLOCATED TO LIMITED PARTNERS	(57,760)	(49,356)
Common Units
Loss Per Unit
NET LOSS ALLOCATED TO LIMITED PARTNERS	$ (57,760)	$ (45,343)
Basic and diluted weighted average units outstanding (in units)	103,888,281	74,126,205
Basic and diluted loss per unit (in dollars per unit)	$ (0.56)	$ (0.61)
Subordinated Units
Loss Per Unit
NET LOSS ALLOCATED TO LIMITED PARTNERS		$ 4,013
Basic and diluted weighted average units outstanding (in units)		5,919,346
Basic and diluted loss per unit (in dollars per unit)		$ (0.68)