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Acquisitions - cmdReporter (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended 12 Months Ended
Feb. 26, 2021
Jun. 30, 2021
Mar. 31, 2021
Jun. 30, 2021
Jun. 30, 2020
[2]
Dec. 31, 2020
Dec. 31, 2019
Business Acquisition [Line Items]              
Increase (decrease) in fair value of contingent consideration     $ 300 $ 4,237 [1] $ (3,700) $ (1,000) $ 200
Developed technology              
Business Acquisition [Line Items]              
Weighted-average economic life of intangible assets acquired 5 years            
cmdReporter              
Business Acquisition [Line Items]              
Consideration transferred $ 3,400            
Contingent consideration, liability $ 400 $ 0   0      
Measurement period 90 days            
Contingent consideration earned   300   300      
Increase (decrease) in fair value of contingent consideration   (100)          
Acquisition-related expenses   $ 0   $ 100      
[1] Includes the three months ended March 31, 2021, which has been revised to correct immaterial errors. See Note 1 for more information.
[2] Certain prior period amounts have been revised to correct immaterial errors. See Note 1 for more information.