Condensed Consolidated Statements Of Operations And Comprehensive Income (USD $) In Thousands, except Per Share data	3 Months Ended		9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010
Revenue	$ 835,280	$ 499,443	$ 2,183,763	$ 1,432,001
Cost of sales (excludes items listed below)	748,323	428,140	1,901,496	1,223,127
Operating expenses	35,595	32,870	109,843	101,041
General and administrative expenses	7,562	6,049	22,982	22,598
Depreciation and amortization	9,973	9,850	30,338	29,501
Lower-of-cost-or-market adjustment	9,827		9,827
Income from operations	24,000	22,534	109,277	55,734
Other (income) expense:
Interest expense, net	8,648	3,220	25,657	10,733
Unrealized gain on derivatives				(2,092)
Other, net	(438)	(336)	(1,294)	(1,573)
Income before income taxes	15,790	19,650	84,914	48,666
Income tax expense	6,409	6,875	29,827	17,430
Net income	9,381	12,775	55,087	31,236
Comprehensive income	9,381	12,775	55,087	31,236
Earnings per share:
Basic	$ 0.59	$ 0.70	$ 3.43	$ 1.73
Diluted	$ 0.58	$ 0.70	$ 3.41	$ 1.73
Weighted average shares outstanding:
Basic	15,951	18,256	16,039	18,071
Diluted	16,047	18,300	16,166	18,088
TPCGLLC [Member]
Revenue	835,280	499,443	2,183,763	1,432,001
Cost of sales (excludes items listed below)	748,323	428,140	1,901,496	1,223,127
Operating expenses	35,595	32,870	109,843	101,041
General and administrative expenses	7,562	6,049	22,982	22,598
Depreciation and amortization	9,973	9,850	30,338	29,501
Lower-of-cost-or-market adjustment	9,827		9,827
Income from operations	24,000	22,534	109,277	55,734
Other (income) expense:
Interest expense, net	8,686	3,221	25,742	10,733
Unrealized gain on derivatives				(2,092)
Other, net	(473)	(336)	(1,422)	(1,573)
Income before income taxes	15,787	19,649	84,957	48,666
Income tax expense	6,409	6,829	29,827	17,295
Net income	9,378	12,820	55,130	31,371
Comprehensive income	$ 9,378	$ 12,820	$ 55,130	$ 31,371