Non-controlling Interest (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014 Cameleon Acquisition [Member]	Jan. 08, 2014 Cameleon Acquisition [Member]
Noncontrolling Interest [Line Items]
Business Combination, Acquisition of Less than 100 Percent, Noncontrolling Interest, Fair Value						$ 6,204
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Deferred Revenue					(1,924)	(5,392)
Noncontrolling Interest, Increase from Business Combination			3,621	0	3,407
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Deferred Revenue					1,924	5,392
Net Income (Loss) Attributable to Noncontrolling Interest	(195)	0	(858)	0	(858)
Comprehensive (Income) Loss, Net of Tax, Attributable to Noncontrolling Interest	$ (230)	$ 0	$ (873)	$ 0	$ (15)