CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2018	Mar. 31, 2017
Revenue:
Products	$ 105,125	$ 97,039
Services	60,763	59,392
Total revenue	165,888	156,431
Cost of sales:
Products	55,093	47,257
Services	32,913	28,988
Total cost of sales	88,006	76,245
Gross profit	77,882	80,186
Operating expenses:
Selling, general and administrative	69,497	66,405
Research and development	25,883	22,852
Total operating expenses	95,380	89,257
Loss from operations	(17,498)	(9,071)
Interest and other (expense) income, net	(1,525)	201
Loss before income taxes	(19,023)	(8,870)
Provision for income taxes	1,954	1,041
Net loss	(20,977)	(9,911)
Less: net income (loss) attributable to noncontrolling interests	(16)	60
Net loss attributable to 3D Systems Corporation	$ (20,961)	$ (9,971)
Net loss per share available to 3D Systems Corporation common stockholders - basic and diluted	$ (0.19)	$ (0.09)

Interest And Other Expense Net

No definition available.

Name:	ddd_InterestAndOtherExpenseNet
Namespace Prefix:	ddd_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The aggregate costs related to goods produced and sold and services rendered by an entity during the reporting period. This excludes costs incurred during the reporting period related to financial services rendered and other revenue generating activities.