Goodwill and Intangible Assets - Schedule of Intangible Assets Other Than Goodwill (Details) - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Intangible assets subject to amortization
Gross carrying amount	$ 90,645	$ 86,928
Accumulated amortization	(45,797)	(40,164)
Foreign currency translation adjustment	(7,671)	(7,471)
Total	37,177	39,293
Intangible assets with indefinite lives
Gross carrying amount	6,403	6,403
Foreign currency translation adjustment	(739)	(668)
Total	5,664	5,735
Total intangible assets, net	$ 42,841	$ 45,028