Net Income Per Share Computation of Basic and Diluted Earnings Per Share (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Numerator:
Net loss attributable to the Company	$ (4,088)	$ (6,469)	$ (22,364)	$ (5,618)
Denominator for basic and diluted net income per share:
Weighted average common shares outstanding for basic (in shares)	46,832	44,412	46,320	44,220
Weighted average common shares outstanding for diluted (in shares)	46,832	44,412	46,320	44,220
Earnings Per Share, Basic	$ (0.09)	$ (0.15)	$ (0.48)	$ (0.13)
Earnings Per Share, Diluted	$ (0.09)	$ (0.15)	$ (0.48)	$ (0.13)