Net Loss Per Share (Schedule of Earnings Per Share, Basic and Diluted) (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Earnings Per Share [Abstract]
Basic net income (loss) attributable to stockholders	$ (67,237)	$ 2,019	$ (75,393)	$ (775)
Adjustments to net income (loss) attributable to stockholders for common share equivalents	0	(223)	0	0
Net income (loss) attributable to stockholders	$ (67,237)	$ 1,796	$ (75,393)	$ (775)
Basic weighted average shares outstanding (in shares)	168,972,601	41,982,278	172,003,465	32,651,655
Basic net income (loss) per share attributable to stockholders (in dollars per share)	$ (0.40)	$ 0.05	$ (0.44)	$ (0.02)
Diluted weighted average shares outstanding (in shares)	168,972,601	42,001,432	172,003,465	32,651,655
Diluted net income (loss) per share attributable to stockholders (in dollars per share)	$ (0.40)	$ 0.04	$ (0.44)	$ (0.02)