CONSOLIDATED STATEMENTS OF PARTNERS' EQUITY - USD ($) $ in Thousands	Common Unitholders	General Partner Interest	Accumulated Other Comprehensive Loss	Noncontrolling Interest	Total
Balance, beginning of period at Dec. 31, 2015	$ 657,071	$ (1,188)	$ (8,094)	$ 46,195	$ 693,984
Increase (Decrease) in Partners' Capital
Net (loss) income	(132,988)	(897)		(39,076)	(172,961)
Distribution to noncontrolling interest				(1,798)	(1,798)
Other comprehensive income			2,056		2,056
Unit-based compensation	3,094				3,094
Distributions to partners	(47,169)	(318)			(47,487)
Dividends on repurchased units	597				597
Balance, end of period at Sep. 30, 2016	480,605	(2,403)	(6,038)	5,321	477,485
Increase (Decrease) in Partners' Capital
Net (loss) income					(156,583)
Other comprehensive income					829
Balance, end of period at Sep. 30, 2016	$ 480,605	$ (2,403)	$ (6,038)	$ 5,321	$ 477,485