Earnings per Share (Tables)

9 Months Ended

Sep. 30, 2013

Earnings per Share [Abstract]

Basic and Diluted Weighted Average Shares Outstanding and Earnings per Share

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2013		2012		2013		2012
	(in thousands, except for share data)
Income (numerator):
Net income (loss)	$	(1,284)	$	(2,247)	$	97,332	$	34,657
Net income attributable to participating securities		-		-		(1,059)		(260)
Net income (loss) attributable to common shares	$	(1,284)	$	(2,247)	$	96,273	$	34,397
Weighted average shares (denominator):
Weighted average shares—basic		38,589		38,743		38,760		38,926
Dilutive effect of stock options		-		-		496		130
Weighted average shares—diluted		38,589		38,743		39,256		39,056
Basic earnings (loss) per share	$	(0.03)	$	(0.06)	$	2.48	$	0.88
Diluted earnings (loss) per share	$	(0.03)	$	(0.06)	$	2.45	$	0.88

Number of Antidilutive Shares Excluded from the Computation of Dilutive Weighted Average Shares

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
(in thousands)	2013		2012		2013		2012
Weighted average shares		1,037		905		247		653