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
	Mar. 31, 2015	Mar. 31, 2014
Earnings Per Share [Abstract]
Net loss attributable to stockholders (In thousands)	$ (8,199)	$ (8,156)
Basic weighted average shares outstanding (in shares)	162,092,424	175,068,005
Basic and diluted net loss per share attributable to stockholders (in dollars per share)	$ (0.05)	$ (0.05)