Quarterly report pursuant to Section 13 or 15(d)

Revenue - Remaining performance obligations (Details)

v3.21.2
Revenue - Remaining performance obligations (Details)
$ in Millions
9 Months Ended
Sep. 30, 2021
USD ($)
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]  
Remaining amount of performance obligation $ 154.4
Minimum  
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]  
Typical contract term 1 year
Maximum  
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]  
Typical contract term 3 years
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2021-10-01  
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]  
Remaining amount of performance obligation $ 77.7
Expected timing of satisfaction 1 year
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2022-10-01  
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]  
Remaining amount of performance obligation $ 76.7
Expected timing of satisfaction 57 months