General form of registration statement for all companies including face-amount certificate companies

COMMITMENTS AND CONTINGENCIES (Details)

v3.21.4
COMMITMENTS AND CONTINGENCIES (Details)
 3 Months Ended 9 Months Ended 12 Months Ended
Jun. 24, 2021
USD ($)
$ / shares
shares
Mar. 31, 2021
$ / shares
shares
Sep. 30, 2021
USD ($)
$ / shares
shares
Sep. 30, 2020
USD ($)
Dec. 31, 2020
USD ($)
$ / shares
shares
Dec. 31, 2019
USD ($)
$ / shares
Dec. 31, 2021
$ / shares
shares
Jun. 30, 2021
$ / shares
Jun. 23, 2021
$ / shares
Feb. 16, 2021
$ / shares
Dec. 10, 2012
$ / shares
Commitments and Contingencies [Line Items]                      
Ordinary shares, par value (in dollars per share)     $ 0.001   $ 0.001 $ 0.001         $ 0.001
Shares issued in transaction (in shares) | shares 76,874,354                    
Operating lease expense | $     $ 1,532,000 $ 1,820,000 $ 2,215,000 $ 2,474,000          
Bank guarantees | $     $ 251,000   $ 251,000            
Subsidiaries                      
Commitments and Contingencies [Line Items]                      
Ordinary shares, par value (in dollars per share)     $ 0.01   $ 0.01            
Shares of subsidiary pledged | shares     65,000   65,000            
Forecast | Common Stock                      
Commitments and Contingencies [Line Items]                      
Recapitalization exchange ratio             1        
Forecast | Warrant                      
Commitments and Contingencies [Line Items]                      
Recapitalization exchange ratio             1        
Forecast | Class A ordinary shares                      
Commitments and Contingencies [Line Items]                      
Number of securities called by each warrant (in shares) | shares             1        
Forecast | Company Domesticated Common Stock                      
Commitments and Contingencies [Line Items]                      
Number of securities called by each warrant (in shares) | shares             1        
ION Acquisition Corp 2 LTD                      
Commitments and Contingencies [Line Items]                      
Deferred fee per unit (in dollar per share)     $ 0.35   $ 0.35            
Deferred fee aggregate amount | $     $ 8,855,000   $ 8,855,000            
Ordinary shares, par value (in dollars per share)                   $ 0.0001  
Closing condition, minimum net tangible asset requirement | $ $ 5,000,001                    
Closing condition, cash acquired through reverse recapitalization, minimum | $ $ 250,000,000                    
Merger agreement termination terms, number of business days following registration statement effective date to obtain stockholder approval 5 days                    
Per unit price (in dollars per share)         $ 10.00         10.00  
Reverse recapitalization, secondary sale amount determination, amount subtracted from cash on hand at closing | $ $ 150,000,000                    
Secondary sale amount determination, threshold cash on hand at closing | $ 150,000,000                    
Secondary sale amount if cash on hand does not exceed threshold at closing | $ $ 0                    
ION Acquisition Corp 2 LTD | Class B ordinary shares                      
Commitments and Contingencies [Line Items]                      
Ordinary shares, par value (in dollars per share)   $ 0.1000 $ 0.0001   0.0001     $ 0.1000 $ 0.0001 0.0001  
ION Acquisition Corp 2 LTD | Class A ordinary shares                      
Commitments and Contingencies [Line Items]                      
Ordinary shares, par value (in dollars per share)   $ 0.0001 0.0001   0.0001       $ 0.0001 $ 0.0001  
Shares issued in transaction (in shares) | shares   25,300,000                  
Per unit price (in dollars per share)     $ 12.00   $ 12.00            
ION Acquisition Corp 2 LTD | Class A ordinary shares | Subscription Agreements                      
Commitments and Contingencies [Line Items]                      
Shares issued in transaction (in shares) | shares 15,000,000                    
Per unit price (in dollars per share) $ 10.00                    
Aggregate value | $ $ 150,000,000                    
ION Acquisition Corp 2 LTD | Class A ordinary shares | Forward Purchase Agreements                      
Commitments and Contingencies [Line Items]                      
Shares issued in transaction (in shares) | shares 5,000,000                    
Per unit price (in dollars per share) $ 10.00                    
Aggregate value | $ $ 50,000,000                    
ION Acquisition Corp 2 LTD | Forecast | Common Stock                      
Commitments and Contingencies [Line Items]                      
Recapitalization exchange ratio             1        
ION Acquisition Corp 2 LTD | Forecast | Warrant                      
Commitments and Contingencies [Line Items]                      
Recapitalization exchange ratio             1        
ION Acquisition Corp 2 LTD | Forecast | Class B ordinary shares                      
Commitments and Contingencies [Line Items]                      
Ordinary shares, par value (in dollars per share)             $ 0.0001        
ION Acquisition Corp 2 LTD | Forecast | Class A ordinary shares                      
Commitments and Contingencies [Line Items]                      
Ordinary shares, par value (in dollars per share)             $ 0.0001        
Number of securities called by each warrant (in shares) | shares             1        
Exercise price per share (in dollars per share)             $ 11.50        
ION Acquisition Corp 2 LTD | Forecast | Company Domesticated Common Stock                      
Commitments and Contingencies [Line Items]                      
Number of securities called by each warrant (in shares) | shares             1        
Israeli Subsidiary                      
Commitments and Contingencies [Line Items]                      
Bank deposits pledged | $     $ 679,000   $ 682,000