Quarterly report pursuant to Section 13 or 15(d)

Revenue Recognition - Other (Details)

v3.21.1
Revenue Recognition - Other (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2021
Dec. 31, 2020
Contract Liabilities    
Deferred revenue $ 8,091 $ 6,542
Uncompleted Performance Obligations    
Amount remaining on uncompleted performance obligations $ 283,300  
Expected timing of satisfaction of performance obligations over the next 18 months  
Receivables, net    
Contract Assets    
Receivables, unbilled $ 64,519 48,839
Accrued liabilities    
Contract Liabilities    
Deferred revenue $ 8,091 $ 6,542