Intangible assets, net (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2016		Sep. 30, 2015	Dec. 31, 2015
Intangible assets, net [Abstract]
Intangible assets	$ 25,703	[1]		$ 52,563
Accumulated amortization	(14,855)	[1]		(18,971)
Intangible assets, net	10,848	[1]		$ 33,592
Amortization of intangible assets	$ 2,935		$ 3,942

[1] Reflects the effect of the Deconsolidation.