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ACQUISITIONS - Narrative (Details) - USD ($)
3 Months Ended
Mar. 31, 2020
Dec. 31, 2019
Business Acquisition [Line Items]    
Goodwill $ 288,533,000 $ 266,345,000
Technology Company    
Business Acquisition [Line Items]    
Percent of outstanding shares acquired 100.00%  
Fair value of consideration transferred $ 36,600,000  
Cash consideration 21,600,000  
Equity consideration 15,000,000.0  
Goodwill 22,200,000  
Intangible assets, other than goodwill 17,000,000.0  
Goodwill amount expected to be tax deductible 0  
Intangible assets (excluding goodwill) amount expected to be tax deductible $ 0