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Segment Reporting - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Segment Reporting Information [Line Items]
Total revenue	$ 125,619	$ 130,705	$ 379,140	$ 378,829
Injection Molding
Segment Reporting Information [Line Items]
Total revenue	46,831	51,688	148,574	152,455
CNC Machining
Segment Reporting Information [Line Items]
Total revenue	53,327	52,916	154,498	149,317
3D Printing
Segment Reporting Information [Line Items]
Total revenue	21,437	21,622	64,300	63,952
Sheet Metal
Segment Reporting Information [Line Items]
Total revenue	3,743	4,291	11,218	12,478
Other Revenue
Segment Reporting Information [Line Items]
Total revenue	$ 281	$ 188	$ 550	$ 627

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