Intangible Assets (Details Textual) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015
Goodwill And Intangible Assets Disclosure [Abstract]
Amortization of intangible assets	$ 3,837	$ 3,776
Estimated amortization expense remainder of 2016	1,300
Estimated amortization expense 2017	5,000
Estimated amortization expense 2018	4,500
Estimated amortization expense 2019	4,100
Estimated amortization expense 2020	3,900
Estimated amortization expense thereafter	$ 5,200