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Fair Value Measurements - Narrative (Details)
3 Months Ended 9 Months Ended
Sep. 30, 2020
USD ($)
Sep. 30, 2019
USD ($)
Sep. 30, 2020
USD ($)
Sep. 30, 2019
USD ($)
Dec. 31, 2019
USD ($)
Oct. 21, 2019
USD ($)
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]            
Contingent consideration liability from acquisitions $ 0   $ 0   $ 2,595,000  
Increase (decrease) in fair value of contingent liability     (2,593,000) $ 0    
Other-than-temporary impairments 0 $ 0 0 $ 0    
OpenEye            
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]            
Percentage of business acquired           85.00%
Additional earn-out           $ 11,000,000.0
Increase (decrease) in fair value of contingent liability     (2,600,000)      
Fair Value, Measurements, Recurring            
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]            
Contingent consideration liability from acquisitions 2,000   2,000   $ 2,595,000  
Fair Value, Measurements, Recurring | OpenEye            
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]            
Contingent consideration liability from acquisitions $ 100,000   $ 100,000     $ 2,800,000
Measurement Input, Revenue Volatility            
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]            
Measurement input 0.64   0.64      
Measurement Input, Discount Rate            
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]            
Measurement input 0.02   0.02