Quarterly report pursuant to Section 13 or 15(d)

Revenue - Narrative (Details)

v3.20.2
Revenue - Narrative (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Dec. 31, 2019
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]          
Unbilled receivables, net $ 26,953   $ 26,953   $ 46,279
Contract with customer, liability 10,400   10,400   $ 5,000
Contract with customer, liability, revenue recognized     2,000 $ 2,100  
Revenue, remaining performance obligation $ 177,000   $ 177,000    
Sales Revenue, Net | Product Concentration Risk | Transferred at Point in Time          
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]          
Concentration risk, percentage 50.00% 43.00% 50.00% 43.00%  
Sales Revenue, Net | Product Concentration Risk | Transferred over Time          
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]          
Concentration risk, percentage 50.00% 57.00% 50.00% 57.00%