Net Income (Loss) Per Share (Tables)

3 Months Ended

Mar. 31, 2015

Earnings Per Share [Abstract]

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

	Three months ended March 31,
In thousands except per share amounts	2015			2014
Net income (loss) available to common stockholders	$	(33,287	)	$	(37,191	)
Weighted average shares:
Basic	102,580			102,365
Diluted	102,580			102,365
Income (loss) per share:
Basic	$	(0.32	)	$	(0.36	)
Diluted	$	(0.32	)	$	(0.36	)