Summary of Significant Accounting Policies (Tables)

6 Months Ended

Jun. 30, 2012

Summary of Significant Accounting Policies [Abstract]

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

	Three Months Ended June 30,						Six Months Ended June 30,
	2012			2011			2012			2011
Net income (loss) - numerator
Net (loss) income	$	(6,676	)	$	7,152		$	(2,875	)	$	(20,443	)
Less dividends to Class B shareholders – distributed earnings		—			(69	)		(28	)		(138	)
Undistributed (loss) earnings	$	(6,676	)	$	7,083		$	(2,903	)	$	(20,581	)
Weighted average common shares outstanding – denominator
Basic
Class A		55,271			41,667			52,434			41,646
Class B		—			1,031			210			1,031
Total		55,271			42,698			52,644			42,677
Diluted
Class A
Weighted average common shares outstanding for basic earnings (loss) per share		55,271			41,667			52,434			41,646
Dilutive effect of options and restricted stock units		—			115			—			—
Class A weighted average common shares outstanding - diluted		55,271			41,782			52,434			41,646
Class B
Weighted average common shares outstanding – no associated dilutive shares		—			1,031			210			1,031
Total diluted weighted average common shares outstanding		55,271			42,813			52,644			42,677

	Three Months Ended June 30,					Six Months Ended June 30,
	2012			2011		2012			2011
Earnings (loss) per common share
Basic
Class A
Distributed earnings	$	—		$	—	$	—		$	—
Undistributed (loss) earnings	$	(0.12	)	$	0.17	$	(0.06	)	$	(0.48	)
Total	$	(0.12	)	$	0.17	$	(0.06	)	$	(0.48	)
Class B
Distributed earnings	$	—		$	0.06	$	0.13		$	0.13
Undistributed (loss) earnings	$	—		$	0.17	$	(0.06	)	$	(0.48	)
Total	$	—		$	0.23	$	0.07		$	(0.35	)
Diluted
Class A
Distributed earnings	$	—		$	—	$	—		$	—
Undistributed (loss) earnings	$	(0.12	)	$	0.17	$	(0.06	)	$	(0.48	)
Total	$	(0.12	)	$	0.17	$	(0.06	)	$	(0.48	)
Class B
Distributed earnings	$	—		$	0.06	$	0.13		$	0.13
Undistributed (loss) earnings	$	—		$	0.17	$	(0.06	)	$	(0.48	)
Total	$	—		$	0.23	$	0.07		$	(0.35	)