Condensed Consolidated Statements of Operations (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Revenues	$ 5,260,003	$ 4,858,880	$ 15,308,155	$ 14,335,020
Cost and expenses:
Cost of sales, excluding depreciation	4,685,652	4,663,697	13,776,574	13,394,777
Operating expenses, excluding depreciation	200,858	192,647	679,538	601,245
General and administrative expenses	34,786	22,653	103,505	71,888
Gain on sale of assets	18	(48)	(162)	(48)
Depreciation and amortization expense	67,686	27,435	135,417	81,530
Total cost and expenses	4,989,000	4,906,384	14,694,872	14,149,392
Income (loss) from operations	271,003	(47,504)	613,283	185,628
Other income (expenses)
Change in fair value of catalyst leases	5,543	(2,363)	1,204	3,118
Interest expense, net	(24,031)	(26,363)	(75,704)	(69,712)
Net income	$ 252,515	$ (76,230)	$ 538,783	$ 119,034