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SUBSEQUENT EVENTS (Details) - USD ($)
$ / shares in Units, $ in Millions
Jan. 27, 2022
Dec. 31, 2021
Dec. 31, 2020
Sep. 17, 2020
Subsequent Event [Line Items]        
Common stock, par value (in dollars per share)   $ 0.001 $ 0.001 $ 0.001
Subsequent Event | Vertitas        
Subsequent Event [Line Items]        
Business acquisition, consideration transferred $ 419.4      
Business acquisition, consideration transferred, cash deposit $ 40.7      
Acquisition, shares issued (in shares) 1,939,998      
Common stock, par value (in dollars per share) $ 0.001      
Business acquisition, share price (in dollars per share) $ 28.30      
Subsequent Event | Vertitas | Minimum        
Subsequent Event [Line Items]        
Warrants and rights outstanding, term 90 days      
Subsequent Event | Vertitas | Maximum        
Subsequent Event [Line Items]        
Warrants and rights outstanding, term 7 years