Selected Quarterly Financial Data (unaudited)

12 Months Ended

Dec. 31, 2011

Selected Quarterly Financial Data [Abstract]

Selected Quarterly Financial Data (unaudited)

20. Selected Quarterly Financial Data (unaudited)

	Quarter Ended
2011	March 31		June 30		September 30			December 31
Net revenue	$	41,936	$	72,897	$	63,907		$	75,939
Operating income		4,311		16,750		13,941			18,370
Interest and other income, net		2,867		5,361		3,036			3,704
Increase in payable under the tax receivable agreement		—		—		(3,680	)		(210	)
Net income		4,347		13,488		10,939			13,276
Net income attributable to controlling interest		4,049		12,857		10,451			12,662
Per share data (1)
Basic earnings per share	$	0.11	$	0.36	$	0.29		$	0.35
Diluted earnings per share	$	0.11	$	0.35	$	0.29		$	0.35

	Quarter Ended
2010	March 31			June 30		September 30		December 31
Net revenue	$	19,413		$	34,133	$	37,490	$	48,936
Operating (loss) income		(1,011	)		5,155		5,916		5,305
Interest and other income, net		1,739			3,957		1,636		2,155
(Increase) decrease in payable under the tax receivable agreement		(8	)		—		806		15
Net income		548			7,227		4,456		4,758
Net (loss) income attributable to controlling interest		(77	)		2,699		3,989		4,280
Per share data (1)
Basic earnings per share	$	(0.00	)	$	0.14	$	0.11	$	0.12
Diluted earnings per share	$	(0.00	)	$	0.14	$	0.11	$	0.12

(1) Earnings per share were computed independently for each of the periods presented; therefore, the sum of the earnings per share amounts for the quarters may not equal the total for the year.