Summary of Significant Accounting Policies (Tables)

9 Months Ended

Sep. 30, 2012

Summary of Significant Accounting Policies [Abstract]

Reconciliations of basic and diluted distributed and undistributed earnings (loss) per common share

	Three Months Ended September 30,						Nine Months Ended September  30,
	2012			2011			2012			2011
Net (loss) income - numerator
Net (loss) income	$	(9,197	)	$	6,194		$	(12,073	)	$	(14,249	)
Less dividends to Class B shareholders - distributed earnings		—			(69	)		(28	)		(206	)
Undistributed (loss) earnings	$	(9,197	)	$	6,125		$	(12,101	)	$	(14,455	)
Weighted average common shares outstanding - denominator
Basic
Class A		55,271			41,720			53,379			41,671
Class B		—			1,031			140			1,031
Total		55,271			42,751			53,519			42,702
Diluted
Class A
Weighted average common shares outstanding for basic earnings (loss) per share		55,271			41,720			53,379			41,671
Dilutive effect of options and restricted stock units		—			128			—			—
Class A weighted average common shares outstanding - diluted		55,271			41,848			53,379			41,671
Class B
Weighted average common shares outstanding - associated no associated dilutive shares		—			1,031			140			1,031
Total diluted weighted average common shares outstanding		55,271			42,879			53,519			42,702

	Three Months Ended September 30,					Nine Months Ended September  30,
	2012			2011		2012			2011
Earnings (loss) per common share
Basic
Class A
Distributed earnings	$	—		$	—	$	—		$	—
Undistributed (loss) earnings	$	(0.17	)	$	0.14	$	(0.23	)	$	(0.34	)
Total	$	(0.17	)	$	0.14	$	(0.23	)	$	(0.34	)
Class B
Distributed earnings	$	—		$	0.07	$	0.20		$	0.20
Undistributed earnings (loss)	$	—		$	0.14	$	(0.23	)	$	(0.34	)
Total	$	—		$	0.21	$	(0.03	)	$	(0.14	)
Diluted
Class A
Distributed earnings	$	—		$	—	$	—		$	—
Undistributed (loss) earnings	$	(0.17	)	$	0.14	$	(0.23	)	$	(0.34	)
Total	$	(0.17	)	$	0.14	$	(0.23	)	$	(0.34	)
Class B
Distributed earnings	$	—		$	0.07	$	0.20		$	0.20
Undistributed earnings (loss)	$	—		$	0.14	$	(0.23	)	$	(0.34	)
Total	$	—		$	0.21	$	(0.03	)	$	(0.14	)