CONDENSED CONSOLIDATED STATEMENT OF EQUITY - USD ($) $ in Thousands	Total	Common Stock	Additional Paid In Capital	Treasury Stock	Accumulated Deficit	Accumulated Other Comprehensive Income (Loss)	Total 3D Systems Corporation Stockholders' Equity	Equity Attributable to Noncontrolling Interests
Cumulative impact of change in accounting policy			$ (10,206)		$ 10,206
Beginning Balance at Dec. 31, 2016	$ 626,700	$ 115	1,307,428	$ (2,658)	(621,787)	$ (53,225)	$ 629,873	$ (3,173)
Issuance (repurchase) of stock	(1,088)			(1,088)			(1,088)
Issuance of stock for acquisitions	3,208		3,208				3,208
Stock-based compensation expense	7,131		7,131				7,131
Net loss	(9,911)				(9,971)		(9,971)	60
Pension adjustment	20					20	20
Foreign currency translation adjustment	8,392					8,331	8,331	61
Ending Balance at Mar. 31, 2017	634,452	115	1,307,561	(3,746)	(621,552)	(44,874)	637,504	(3,052)
Beginning Balance at Dec. 31, 2017	615,948	115	1,326,250	(8,203)	(677,772)	(21,536)	618,854	(2,906)
Issuance (repurchase) of stock	(837)	1		(838)			(837)
Issuance of stock for acquisitions	0
Stock-based compensation expense	7,128		7,128				7,128
Net loss	(20,977)				(20,961)		(20,961)	(16)
Pension adjustment	(17)					(17)	(17)
Foreign currency translation adjustment	7,417					7,416	7,416	1
Ending Balance at Mar. 31, 2018	609,238	$ 116	$ 1,333,378	$ (9,041)	(698,157)	$ (14,137)	612,159	$ (2,921)
Cumulative impact of change in accounting policy	$ 576				$ 576		$ 576