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Revenue - Additional Information (Details 1)
Dec. 31, 2019
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date: 2020-01-01  
Disaggregation Of Revenue [Line Items]  
Remaining performance obligations, percentage 62.00%
Remaining performance obligations, expected satisfaction period 12 months
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date: 2021-01-01  
Disaggregation Of Revenue [Line Items]  
Remaining performance obligations, percentage 38.00%
Remaining performance obligations, expected satisfaction period 12 months