Revenues - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Sales	$ 76,656	$ 76,331
Americas
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Sales	36,677	32,549
EMEA
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Sales	22,136	25,454
APAC
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Sales	17,843	18,328
Product sales
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Sales	56,730	54,635
Product sales | Product transferred to customers at a point in time
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Sales	51,480	50,870
Product sales | Product transferred to customers over time
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Sales	5,250	3,765
Service sales
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Sales	19,926	21,696
Service sales | Product transferred to customers at a point in time
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Sales	8,703	9,997
Service sales | Product transferred to customers over time
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Sales	$ 11,223	$ 11,699