Segment Information (Details 3) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Segment information
Revenue	$ 474,291	$ 607,086	$ 1,401,249	$ 1,637,928
Selling, general and administrative expenses	(35,981)	(28,860)	(105,587)	(91,851)
Depreciation	(128,749)	(105,072)	(370,250)	(311,079)
Amortization of intangible assets	(15,678)	(16,313)	(47,100)	(48,256)
Impairment expense	0	0	(25,523)	0
(Loss) gain on disposal of property, plant and equipment	(1,458)	766	(3,064)	(591)
Accretion of asset retirement obligations	(308)	(168)	(695)	(504)
Income from operations	96,876	139,495	219,761	267,122
Equity in earnings (loss) from unconsolidated affiliates	7,699	(1,555)	11,473	(2,026)
Interest expense	(51,498)	(39,448)	(153,642)	(123,823)
Amortization of deferred financing costs and debt discount (a component of interest expense)	(1,632)	(1,469)	(4,829)	(5,742)
Loss on redemption of debt	(29)	0	(117,889)	0
Miscellaneous income, net	19	55	113	117
Income (loss) before provision for income tax	51,435	97,078	(45,013)	135,648
Total segments
Segment information
Portion of operating income attributable to non-controlling interests	(34,495)	(10,621)	(81,844)	(18,449)
Income from operations	247,569	256,917	723,595	694,897
Reconciling adjustments
Segment information
Portion of operating income attributable to non-controlling interests	14,569	6,065	37,478	13,384
Revenue deferral adjustment	1,075	5,471	1,229	4,352
Facility expenses adjustments	2,688	2,688	8,064	8,064
Adjustments for unconsolidated affiliates
Segment information
Portion of operating income attributable to non-controlling interests	19,926	4,556	44,366	5,065
Revenue	(43,124)	(15,463)	(103,671)	(19,296)
Facility expense, operational service fees and purchased product cost adjustments	13,318	5,444	39,319	8,042
Not allocated to segments
Segment information
Derivative gain not allocated to segments	23,947	24,265	24,567	7,602
Compensation expense included in facility expenses not allocated to segments	(918)	(801)	(2,967)	(2,707)
Selling, general and administrative expenses	(35,981)	(28,860)	(105,587)	(91,851)
Depreciation	(128,749)	(105,072)	(370,250)	(311,079)
Amortization of intangible assets	(15,678)	(16,313)	(47,100)	(48,256)
Impairment expense			(25,523)
(Loss) gain on disposal of property, plant and equipment	(1,458)	766	(3,064)	(591)
Accretion of asset retirement obligations	$ (308)	$ (168)	$ (695)	$ (504)