CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Revenue:
Total revenue	$ 557,240	$ 636,354	$ 691,545
Cost of sales:
Total cost of sales	333,865	355,813	367,151
Gross profit	223,375	280,541	324,394
Operating expenses:
Selling, general and administrative	219,895	254,355	272,287
Research and development	74,143	83,290	95,298
Impairment of goodwill	48,300	0	0
Total operating expenses	342,338	337,645	367,585
Loss from operations	(118,963)	(57,104)	(43,191)
Interest and other expense, net	(24,447)	(7,996)	(37)
Loss before income taxes	(143,410)	(65,100)	(43,228)
Provision for income taxes	(6,184)	(4,532)	(2,035)
Net loss	(149,594)	(69,632)	(45,263)
Less: net income attributable to noncontrolling interests	0	248	242
Net loss attributable to 3D Systems Corporation	$ (149,594)	$ (69,880)	$ (45,505)
Net loss per share available to 3D Systems Corporation common stockholders - basic and diluted (in usd per share)	$ (1.27)	$ (0.61)	$ (0.41)
Products
Revenue:
Total revenue	$ 332,799	$ 389,337	$ 433,100
Cost of sales:
Total cost of sales	227,681	234,581	233,678
Services
Revenue:
Total revenue	224,441	247,017	258,445
Cost of sales:
Total cost of sales	$ 106,184	$ 121,232	$ 133,473