Quarterly report pursuant to Section 13 or 15(d)

Revenue and Cost of Revenues - Obligation (Details)

v3.20.2
Revenue and Cost of Revenues - Obligation (Details)
$ in Thousands
Sep. 30, 2020
USD ($)
Revenue from Contract with Customer [Abstract]  
Remaining performance obligations $ 546,598
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2020-10-01  
Revenue from Contract with Customer [Abstract]  
Remaining performance obligations $ 62,167
Remaining Performance Obligations  
Revenue recognition period 3 months
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2021-01-01  
Revenue from Contract with Customer [Abstract]  
Remaining performance obligations $ 198,655
Remaining Performance Obligations  
Revenue recognition period 1 year
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2022-01-01  
Revenue from Contract with Customer [Abstract]  
Remaining performance obligations $ 141,388
Remaining Performance Obligations  
Revenue recognition period 1 year
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2023-01-01  
Revenue from Contract with Customer [Abstract]  
Remaining performance obligations $ 74,195
Remaining Performance Obligations  
Revenue recognition period 1 year
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2024-01-01  
Revenue from Contract with Customer [Abstract]  
Remaining performance obligations $ 39,180
Remaining Performance Obligations  
Revenue recognition period 1 year
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2025-01-01  
Revenue from Contract with Customer [Abstract]  
Remaining performance obligations $ 31,013
Remaining Performance Obligations  
Revenue recognition period