CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Revenue:
Products	$ 379,126	$ 380,383	$ 408,119
Services	266,943	252,582	258,044
Total revenue	646,069	632,965	666,163
Cost of sales:
Products	203,527	195,428	243,639
Services	137,703	127,786	130,715
Total cost of sales	341,230	323,214	374,354
Gross profit	304,839	309,751	291,809
Operating expenses:
Selling, general and administrative	264,185	259,776	303,784
Research and development	94,627	88,395	92,770
Impairment of goodwill and other intangible assets			537,179
Total operating expenses	358,812	348,171	933,733
Loss from operations	(53,973)	(38,420)	(641,924)
Interest and other expense, net	(3,548)	(1,392)	(13,029)
Income (loss) before income taxes	(57,521)	(39,812)	(654,953)
Provision (benefit) for income taxes	7,802	(547)	8,972
Net loss	(65,323)	(39,265)	(663,925)
Less: net income (loss) attributable to noncontrolling interests	868	(846)	(8,433)
Net loss attributable to 3D Systems Corporation	$ (66,191)	$ (38,419)	$ (655,492)
Net loss per share available to 3D Systems Corporation common stockholders — basic and diluted	$ (0.59)	$ (0.35)	$ (5.85)
Other comprehensive income:
Pension adjustments, net of taxes	$ 220	$ (902)	$ 338
Gain on liquidation of non-US entity		288
Foreign currency translation gain (loss)	31,728	(12,958)	(16,300)
Total other comprehensive income	31,948	(13,572)	(15,962)
Less foreign currency translation gain (loss) attributable to noncontrolling interests	259	105	(820)
Other comprehensive income (loss) attributable to 3D Systems Corporation	31,689	(13,677)	(15,142)
Comprehensive loss	(33,375)	(52,837)	(679,887)
Less comprehensive income (loss) attributable to noncontrolling interests	1,127	(741)	(9,253)
Comprehensive loss attributable to 3D Systems Corporation	$ (34,502)	$ (52,096)	$ (670,634)