Goodwill and Intangible Assets - Schedule of Intangible Assets Other Than Goodwill (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Intangible assets subject to amortization
Gross carrying amount	$ 234,533	$ 232,747
Accumulated amortization	(83,354)	(69,247)
Foreign currency translation adjustment	(8,259)	(8,442)
Total	142,920	155,058
Intangible assets with indefinite lives
Gross carrying amount	19,217	21,003
Foreign currency translation adjustment	(1,015)	(1,185)
Total	18,202	19,818
Total intangible assets, net	$ 161,122	$ 174,876