Condensed Consolidated Statements Of Partners' Capital - USD ($) $ in Thousands	Total	Partners’ Capital	Noncontrolling Interest	Common Units Partners’ Capital
Partners' capital, beginning balance (units) at Dec. 31, 2014				95,029,000
Partners' capital, beginning balance at Dec. 31, 2014	$ 1,229,203	$ 1,229,203	$ 0
Increase (Decrease) in Partners' Capital [Roll Forward]
Net income	20,215	20,215	0	$ 0
Cash distributions to partners	(56,542)	(56,542)	0	$ 0
Partners' capital, ending balance (units) at Mar. 31, 2015				95,029,000
Partners' capital, ending balance at Mar. 31, 2015	$ 1,192,876	1,192,876	0
Partners' capital, beginning balance (units) at Dec. 31, 2015	109,979,218			109,979,000
Partners' capital, beginning balance at Dec. 31, 2015	$ 2,020,751	2,029,101	(8,350)
Increase (Decrease) in Partners' Capital [Roll Forward]
Net income	35,177	35,303	(126)	$ 0
Cash distributions to partners	$ (72,087)	(72,087)	0	$ 0
Partners' capital, ending balance (units) at Mar. 31, 2016	109,979,218			109,979,000
Partners' capital, ending balance at Mar. 31, 2016	$ 1,983,841	$ 1,992,317	$ (8,476)