Commitments and Contingencies - Summary of Warranty Provision (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Movement in Standard Product Warranty Accrual [Roll Forward]
Balance - Beginning of the year	$ 3,911	$ 3,490
Provision for new warranty claims	1,895	2,435
Change in provision for preexisting warranty claims	(27)	932
Deduction for payments made	(2,705)	(2,803)
Currency translation adjustment	8	(143)
Balance - End of year	$ 3,082	$ 3,911