Equity and Distributions, Distributions (Details) - $ / shares	3 Months Ended		12 Months Ended
	Mar. 31, 2016	Mar. 31, 2015	Dec. 31, 2015
Distributions to Partners [Abstract]
Number of Designated Units excluded from distributions (in units)			35,380,000
Cash Distribution [Member] | First Quarter 2015 Distribution [Member]
Distributions to Partners [Abstract]
Distribution Per Common Unit (in dollars per unit)		$ 0.3750
Record Date		Apr. 30, 2015
Payment Date		May 07, 2015
Cash Distribution [Member] | First Quarter 2016 Distribution [Member]
Distributions to Partners [Abstract]
Distribution Per Common Unit (in dollars per unit)	$ 0.3950
Record Date	Apr. 29, 2016
Payment Date	May 06, 2016