Other Accrued Liabilities (Details) - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Payables and Accruals [Abstract]
Duties	$ 4,426	$ 4,865
Freight and handling fees	4,852	3,217
Operating lease obligations	4,501	0
Professional fees	1,962	1,930
Sales taxes and VAT	1,500	1,050
Short-term contingent consideration	5,411	4,190
Tooling	1,581	1,770
Other	8,426	6,989
Total other accrued liabilities	$ 32,659	$ 24,011