Condensed Consolidated Statements of Operations (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Revenue:
Revenue	$ 395,421	$ 306,755	$ 768,879	$ 702,733
Derivative gain	19,699	136,067	19,514	87,352
Total revenue	415,120	442,822	788,393	790,085
Operating expenses:
Purchased product costs	155,359	112,731	307,916	267,286
Derivative gain related to purchased product costs	(20,432)	(51,579)	(31,136)	(32,779)
Facility expenses	62,797	48,230	122,307	96,555
Derivative loss (gain) related to facility expenses	800	(1,146)	468	(2,892)
Selling, general and administrative expenses	25,499	21,700	50,741	46,748
Depreciation	71,562	41,336	139,579	80,918
Amortization of intangible assets	17,092	12,307	31,922	23,292
(Gain) loss on disposal of property, plant and equipment	(37,736)	1,342	(37,598)	2,328
Accretion of asset retirement obligations	157	160	509	396
Total operating expenses	275,098	185,081	584,708	481,852
Income from operations	140,022	257,741	203,685	308,233
Other income (expense):
Equity in earnings from unconsolidated affiliates	430	1,109	665	1,548
Interest income	62	159	211	231
Interest expense	(36,955)	(26,762)	(75,291)	(56,234)
Amortization of deferred financing costs and discount (a component of interest expense)	(1,784)	(1,245)	(3,614)	(2,515)
Loss on redemption of debt			(38,455)
Miscellaneous income, net	6	4	6	62
Income before provision for income tax	101,781	231,006	87,207	251,325
Provision for income tax (benefit) expense:
Current	(2,745)	4,809	(8,159)	20,150
Deferred	19,028	39,664	30,999	28,868
Total provision for income tax	16,283	44,473	22,840	49,018
Net income	85,498	186,533	64,367	202,307
Net (income) loss attributable to non-controlling interest	(1,799)	375	3,874	621
Net income attributable to the Partnership's unitholders	$ 83,699	$ 186,908	$ 68,241	$ 202,928
Net income attributable to the Partnership's common unitholders per common unit (Note 14):
Basic (in dollars per unit)	$ 0.63	$ 1.74	$ 0.52	$ 1.98
Diluted (in dollars per unit)	$ 0.55	$ 1.47	$ 0.45	$ 1.66
Weighted average number of outstanding common units:
Basic (in units)	131,227	106,825	129,928	101,833
Diluted (in units)	151,866	127,468	150,580	122,531
Cash distribution declared per common unit (in dollars per unit)	$ 0.83	$ 0.79	$ 1.65	$ 1.55