Condensed Consolidated Statement Of Equity (USD $) In Thousands, except Share data	TPCGLLC [Member]	Common Stock [Member]	Additional Paid-In Capital [Member]	Accumulated Earnings [Member]	Accumulated Other Comprehensive Income [Member]	Treasury Stock At Cost [Member]	Total
Balances, value at Dec. 31, 2010		$ 164	$ 175,376	$ 93,330	$ 71	$ (3,319)	$ 265,622
Balances, shares at Dec. 31, 2010		16,203					16,202,458
Balances, value, members equity at Dec. 31, 2010	267,227
Net income	55,130			55,087			55,087
Exercise of stock options, shares		47
Exercise of stock options, value			974				974
Vesting of restricted stock, shares		21
Stock compensation expense	1,142		1,142				1,142
Stock purchased and retired, shares		(635)
Stock purchased and retired, value		(6)	(6,640)	(9,451)			(16,097)
Capital distributions to parent	(83,605)
Balances, value at Sep. 30, 2011		158	170,852	138,966	71	(3,319)	306,728
Balances, shares at Sep. 30, 2011		15,636					15,636,152
Balances, value, members equity at Sep. 30, 2011	239,894
Balances, value at Jun. 30, 2011
Net income	9,378						9,381
Balances, value at Sep. 30, 2011					71	(3,319)	306,728
Balances, shares at Sep. 30, 2011							15,636,152
Balances, value, members equity at Sep. 30, 2011	$ 239,894