Annual and transition report of foreign private issuers pursuant to Section 13 or 15(d)

Certain Transactions (Details)

v3.20.4
Certain Transactions (Details) - USD ($)
$ in Thousands
 3 Months Ended 4 Months Ended 12 Months Ended
Jun. 30, 2019
Sep. 30, 2018
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Jun. 02, 2020
Certain Transactions (Details) [Line Items]                    
Aggregate purchase price         $ 97,100          
Exchange agreement         In exchange for 100% of the outstanding shares of Origin the Company issued 1,488 thousand ordinary shares, paid cash upon closing and is obligated to pay additional payments (combination of cash and shares) subject to performance-based earnouts over 3 years.          
Exchange for outstanding shares, percentage         100.00%          
Based earnouts over term         3 years          
Consideration paid         $ 31,200          
Contingent Consideration, description         The total contingent payments could reach to a maximum aggregate amount of up to $ 40 million. Approximately 50% of the payments shall be settled in cash, and 50% shall be settled through the issuance of ordinary shares.          
Additional payment amount         $ 6,000          
Retention period         3 years          
Intangible asset         $ 71,000          
Intangible asset useful-life         10 years          
Net gain on divestiture of minority interest         $ 3,578 $ 7,908      
Sale of stock         3,200          
Sale of solidscape         1,000          
Operating expenses         675,390 $ 325,391 334,071      
Restructuring plan, percentage                   10.00%
Employee related charges         6,400          
Other related charges         3,900          
Bank Loan [Member]                    
Certain Transactions (Details) [Line Items]                    
Proceeds from secured debt                 $ 26,000  
Interest rate                 3.35%  
Credit Line [Member]                    
Certain Transactions (Details) [Line Items]                    
Proceeds from secured debt                 $ 24,000  
Proceeds from lines of credit               $ 10,000    
Xaar 3D [Member]                    
Certain Transactions (Details) [Line Items]                    
Investment, description     the Company entered into an agreement with Xaar plc (“Xaar”) to purchase additional shares of Xaar 3D that will increase its stake from 15 to 45 percent, with Xaar retaining the remaining 55 percent.              
Additional interest amount         $ 15,700          
LPW Technology [Member]                    
Certain Transactions (Details) [Line Items]                    
Consideration paid       $ 33,600            
Net gain on divestiture of minority interest       $ 13,500            
Net loss for the year ended             4,600      
Solidscape Divestment [Member]                    
Certain Transactions (Details) [Line Items]                    
Net gain on divestiture of minority interest   $ 7,000                
Evolve Research and Development Project [Member]                    
Certain Transactions (Details) [Line Items]                    
Operating expenses             1,600      
Write-off of in-process research and development project             $ 5,000      
Unconsolidated Entity [Member]                    
Certain Transactions (Details) [Line Items]                    
Net gain on divestiture of minority interest $ 3,600