Revenue Recognition - Remaining Performance Obligations, Expected Timing of Satisfaction (Details)	Sep. 30, 2021
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2021-10-01
Remaining Performance Obligations
Percentage of remaining performance obligation expected to be recognized	53.00%
Duration of expected recognition period for remaining performance obligation	2 years
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2023-10-01
Remaining Performance Obligations
Percentage of remaining performance obligation expected to be recognized	36.00%
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2023-10-01 | Minimum
Remaining Performance Obligations
Duration of expected recognition period for remaining performance obligation	3 years
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2023-10-01 | Maximum
Remaining Performance Obligations
Duration of expected recognition period for remaining performance obligation	5 years