Acquisition - Preliminary Fair Value Allocation of Assets and Liabilities (Details) - USD ($) $ in Thousands		9 Months Ended
	Aug. 11, 2015	Sep. 30, 2015	Sep. 30, 2014
Business Acquisition [Line Items]
Cash paid, net of cash acquired		$ 13,269	$ 0
Maxxton Holding B.V. (“MHB”) [Member]
Business Acquisition [Line Items]
Tangible assets	$ 2,674
Intangible assets	20,936
Total assets acquired	23,610
Deferred purchase price	(6,813)
Liabilities assumed	(3,528)
Cash paid, net of cash acquired	$ 13,269