Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2013

Accounting Policies [Abstract]

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

The following are reconciliations of the numerators and denominators used to compute the Company’s basic and diluted distributed and undistributed earnings per common share as reported for the years ended December 31, 2013, 2012 and 2011 (in thousands, except per share data).

	Year Ended December 31,
	2013		2012			2011
Net income (loss) — numerator
Net income (loss)	$	45,094	$	(33,261	)	$	(10,309	)
Less dividends to Class B shareholders — distributed earnings	—		(28		)	(275		)
Undistributed earnings (loss)	$	45,094	$	(33,289	)	$	(10,584	)
Weighted average common shares outstanding — denominator
Basic
Class A	58,777		53,852			41,687
Class B	—		105			1,031
Total	58,777		53,957			42,718
Diluted
Class A
Weighted average common shares outstanding for basic earnings (loss) per share	58,777		53,852			41,687
Dilutive effect of options and restricted stock units	152		—			—
Class A weighted average common shares outstanding — diluted	58,929		53,852			41,687
Class B
Weighted average common shares outstanding — no associated dilutive shares	—		105			1,031
Total diluted weighted average common shares outstanding	58,929		53,957			42,718

	Year Ended December 31,
	2013		2012			2011
Earnings (loss) per common share
Basic
Class A
Distributed earnings	$	—	$	—		$	—
Undistributed earnings (loss)	$	0.77	$	(0.62	)	$	(0.25	)
Total	$	0.77	$	(0.62	)	$	(0.25	)
Class B
Distributed earnings	$	—	$	0.27		$	0.27
Undistributed earnings (loss)	$	—	$	(0.62	)	$	(0.25	)
Total	$	—	$	(0.35	)	$	0.02
Diluted
Class A
Distributed earnings	$	—	$	—		$	—
Undistributed earnings (loss)	$	0.77	$	(0.62	)	$	(0.25	)
Total	$	0.77	$	(0.62	)	$	(0.25	)
Class B
Distributed earnings	$	—	$	0.27		$	0.27
Undistributed earnings (loss)	$	—	$	(0.62	)	$	(0.25	)
Total	$	—	$	(0.35	)	$	0.02