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Commitments and Contingencies (Narrative) (Details)
3 Months Ended 9 Months Ended
Sep. 06, 2019
Sep. 28, 2018
USD ($)
Sep. 13, 2018
USD ($)
Aug. 03, 2018
USD ($)
Mar. 30, 2018
USD ($)
Sep. 28, 2015
USD ($)
Aug. 23, 2013
lawsuit
Mar. 31, 2019
Sep. 30, 2019
USD ($)
lawsuit
Oct. 02, 2019
USD ($)
Jul. 19, 2019
USD ($)
Dec. 31, 2018
USD ($)
Loss Contingencies [Line Items]                        
Redeemable noncontrolling interests                 $ 8,872,000     $ 8,872,000
Number of stockholder class action lawsuits | lawsuit                 9      
Maximum of awards allowed to be received                     $ 35,000  
Agreement term (in years) 2 years                      
Derivative Litigation | Subsequent Event                        
Loss Contingencies [Line Items]                        
Preliminary approval of settlement                   $ 2,150,000    
Current liability                   2,150,000    
Offsetting receivable                   $ 2,150,000    
Ronald Barranco and Print3D Corporation v. 3D Systems Corporation, et. al.                        
Loss Contingencies [Line Items]                        
Number of stockholder class action lawsuits | lawsuit             2          
Percentage of ownership for officer (percent)               50.00%        
Provision for arbitration award           $ 11,282,000            
Amount awarded   $ 2,182,000       7,254,000            
Fees and expenses           2,318,000            
Prejudgment interest           $ 1,710,000            
Settlement paid   $ 101,000   $ 9,127,000                
Damages awarded to 3D Systems         $ 523,000              
Judicial Ruling | Ronald Barranco and Print3D Corporation v. 3D Systems Corporation, et. al.                        
Loss Contingencies [Line Items]                        
Amount awarded     $ 2,182,000