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Revenue - Transaction Price Allocated to the Remaining Performance Obligation (Details)
$ in Thousands
3 Months Ended
Mar. 31, 2021
USD ($)
Revenue from Contract with Customer [Abstract]  
Remaining performance obligation, amount $ 74,238
Remaining performance obligation, percentage 51.40%
Expected to be recognized within the following year 25.20%
Expected to be recognized in 3 to 10 years 25.70%
Transaction Price Allocated to the Remaining Performance Obligation  
Expected to be recognized in 3 to 10 years 25.70%
Revenue, Remaining Performance Obligation, Percentage, Expected to Be Recognized in 6 to 10 Years 0.50%
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2020-10-01  
Transaction Price Allocated to the Remaining Performance Obligation  
Percentage of remaining performance obligation 48.60%
Expected timing of satisfaction, period 12 months