Goodwill and Intangible Assets (Details Textual) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014	Dec. 31, 2014
Goodwill and Intangible Assets (Textual) [Abstract]
Goodwill created	$ 32,272		$ 32,272		$ 5,591
Aggregate amortization expense	$ 167	$ 191	$ 334	$ 383