Income (Loss) Per Common Share (Tables)

12 Months Ended

Dec. 31, 2014

Income (Loss) Per Common Share

Schedule of basic and diluted net income (loss) per common share and the weighted average shares

	Year ended December 31,
	2014			2013			2012
	(in thousands, except per share amounts)
Net income (loss)	$	(66,940	)	$	(42,263	)	$	30,928
Net income (loss) per common share:
Basic	$	(1.70	)	$	(1.09	)	$	0.80
Diluted	$	(1.70	)	$	(1.09	)	$	0.79
Basic weighted average shares outstanding	39,350			38,807			38,477
Effect of potentially dilutive share-based awards	—			—			574
Diluted weighted average shares outstanding	39,350			38,807			39,051