Revenue - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Disaggregation of Revenue [Line Items]
Revenue	$ 503,877	$ 488,398	$ 488,098
Injection Molding
Disaggregation of Revenue [Line Items]
Revenue	203,941	200,578	226,117
CNC Machining
Disaggregation of Revenue [Line Items]
Revenue	198,222	188,372	166,811
3D Printing
Disaggregation of Revenue [Line Items]
Revenue	84,291	78,988	72,721
Sheet Metal
Disaggregation of Revenue [Line Items]
Revenue	16,540	19,498	20,397
Other Revenue
Disaggregation of Revenue [Line Items]
Revenue	$ 883	$ 962	$ 2,052