Impairment Loss (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Sep. 30, 2014	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Property, Plant and Equipment [Line Items]
Impairment loss		$ 0	$ 3,558	$ 0
Loss on contract termination		200
Software and Software Development Costs [Member]
Property, Plant and Equipment [Line Items]
Impairment loss			$ 1,500
In Process Research and Development [Member]
Property, Plant and Equipment [Line Items]
Impairment loss	$ 1,600	0
Other Intangible Assets [Member]
Property, Plant and Equipment [Line Items]
Impairment loss		300
Project Stella [Member]
Property, Plant and Equipment [Line Items]
Impairment loss		$ 3,400