Revenue Recognition - Summary of Estimated Revenue Expected to be Recognized in Future Related to Performance Obligations Unsatisfied or Partially Unsatisfied (Details) $ in Thousands	Sep. 30, 2020 USD ($)
Remaining Performance Obligations
Total revenue	$ 387,484
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date: 2020-10-01
Remaining Performance Obligations
Total revenue	$ 148,936
Remaining performance obligation, expected timing of satisfaction, period	1 year
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date: 2021-01-01
Remaining Performance Obligations
Total revenue	$ 189,538
Remaining performance obligation, expected timing of satisfaction, period	4 years
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date: 2025-01-01
Remaining Performance Obligations
Total revenue	$ 49,010
Remaining performance obligation, expected timing of satisfaction, period