Intangible Assets (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014	Dec. 31, 2014
Finite-Lived Intangible Assets [Line Items]
Gross	$ 4,512		$ 4,512		$ 2,680
Accumulated Amortization	0		0		0
Finite-Lived Intangible Assets, Net	4,512		4,512		2,680
Amortization of Intangible Assets	0	$ 0	0	$ 0
Technology-based Intangible Assets [Member]
Finite-Lived Intangible Assets [Line Items]
Gross	4,512		4,512		2,680
Accumulated Amortization	0		0		0
Finite-Lived Intangible Assets, Net	$ 4,512		$ 4,512		$ 2,680