Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements - Narrative (Details)

v3.19.3
Fair Value Measurements - Narrative (Details)
$ in Thousands
1 Months Ended 3 Months Ended 9 Months Ended 12 Months Ended
Apr. 30, 2019
USD ($)
Sep. 30, 2019
USD ($)
Jun. 30, 2019
USD ($)
Mar. 31, 2019
USD ($)
Sep. 30, 2019
USD ($)
Sep. 30, 2018
USD ($)
Dec. 31, 2018
USD ($)
Aug. 31, 2016
USD ($)
Fair Value Measurement Inputs and Valuation Techniques [Line Items]                
Payments of acquisition-related consideration         $ 5,963   $ 247  
Additional investment         1,750 $ 1,800    
Compstak                
Fair Value Measurement Inputs and Valuation Techniques [Line Items]                
Additional investment   $ 1,800            
Convertible Preferred Stock | Other assets | Series A-1 | Compstak                
Fair Value Measurement Inputs and Valuation Techniques [Line Items]                
Carrying value of investment   $ 7,400     $ 7,400   $ 3,000 $ 3,000
Level 2 | Compstak | Non recurring                
Fair Value Measurement Inputs and Valuation Techniques [Line Items]                
Investment gain       $ 2,600        
LeaseLabs                
Fair Value Measurement Inputs and Valuation Techniques [Line Items]                
Payments of acquisition-related consideration $ 6,000   $ 6,000          
Discount Rate | Level 3 | Recurring                
Fair Value Measurement Inputs and Valuation Techniques [Line Items]                
Contingent considation, measurement input   0.037     0.037      
Expected Volatility | Hipercept | Level 3 | Recurring                
Fair Value Measurement Inputs and Valuation Techniques [Line Items]                
Contingent considation, measurement input   0.117     0.117      
Risk Free Rate of Return | Hipercept | Level 3 | Recurring                
Fair Value Measurement Inputs and Valuation Techniques [Line Items]                
Contingent considation, measurement input   0.018     0.018