Quarterly report pursuant to Section 13 or 15(d)

Revenue - Narrative (Details)

v3.20.1
Revenue - Narrative (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Dec. 31, 2019
Revenue from Contract with Customer [Abstract]      
Increase (decrease) in contract with customer liability $ 5,947    
Recognized deferred revenue 15,479 $ 9,723  
Deferred sales incentive compensation 9,218   $ 9,387
Amortization expense for the deferred sales incentive compensation $ 1,029 $ 651