Intangible Assets (Details Textual) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014
Goodwill And Intangible Assets Disclosure [Abstract]
Amortization of intangible assets	$ 2,599	$ 1,044
Estimated amortization expense remainder of 2015	2,400
Estimated amortization expense 2016	4,400
Estimated amortization expense 2017	3,800
Estimated amortization expense 2018	3,300
Estimated amortization expense 2019	2,900
Estimated amortization expense thereafter	$ 5,400