Revenues - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Disaggregation of Revenue [Line Items]
Sales	$ 79,917	$ 82,110	$ 156,573	$ 158,441
Americas
Disaggregation of Revenue [Line Items]
Sales	34,667	33,702	71,344	66,251
EMEA
Disaggregation of Revenue [Line Items]
Sales	21,555	26,474	43,691	51,928
APAC
Disaggregation of Revenue [Line Items]
Sales	23,695	21,934	41,538	40,262
Product sales
Disaggregation of Revenue [Line Items]
Sales	59,702	60,275	116,433	114,910
Product sales | Product transferred to customers at a point in time
Disaggregation of Revenue [Line Items]
Sales	54,178	56,674	105,659	107,544
Product sales | Product transferred to customers over time
Disaggregation of Revenue [Line Items]
Sales	5,524	3,601	10,774	7,366
Service sales
Disaggregation of Revenue [Line Items]
Sales	20,215	21,835	40,140	43,531
Service sales | Product transferred to customers at a point in time
Disaggregation of Revenue [Line Items]
Sales	8,620	9,602	17,322	19,599
Service sales | Product transferred to customers over time
Disaggregation of Revenue [Line Items]
Sales	$ 11,595	$ 12,233	$ 22,818	$ 23,932