Intangible assets, net (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2016		Jun. 30, 2015	Dec. 31, 2015
Intangible assets, net [Abstract]
Intangible assets	$ 25,703	[1]		$ 52,563
Accumulated amortization	(14,212)	[1]		(18,971)
Intangible assets, net	11,491	[1]		$ 33,592
Amortization of intangible assets	$ 2,292		$ 2,628

[1] Reflects the effect of the Deconsolidation.