Net Income (Loss) Per Share (Tables)

6 Months Ended

Jun. 30, 2015

Earnings Per Share [Abstract]

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

	Three months ended June 30,						Six months ended June 30,
In thousands except per share amounts	2015			2014			2015			2014
Net income (loss) available to common stockholders	$	(16,677	)	$	(43,121	)	$	(49,965	)	$	(80,312	)
Weighted average shares:
Basic	135,036			102,444			118,897			102,405
Diluted	135,036			102,444			118,897			102,405
Income (loss) per share:
Basic	$	(0.12	)	$	(0.42	)	$	(0.42	)	$	(0.78	)
Diluted	$	(0.12	)	$	(0.42	)	$	(0.42	)	$	(0.78	)