Quarterly report pursuant to Section 13 or 15(d)

Revenue Recognition - Other (Details)

v3.21.2
Revenue Recognition - Other (Details) - USD ($)
$ in Thousands
9 Months Ended
Sep. 30, 2021
Dec. 31, 2020
Contract Liabilities    
Deferred revenue $ 12,768 $ 6,542
Uncompleted Performance Obligations    
Amount remaining on uncompleted performance obligations $ 303,900  
Expected timing of satisfaction of performance obligations over the next 18 months  
Receivables, net    
Contract Assets    
Receivables, unbilled $ 71,564 48,839
Accrued liabilities    
Contract Liabilities    
Deferred revenue $ 12,767 $ 6,542