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Revenue - Remaining Performance Obligation (Details) - Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2020-01-01
Dec. 31, 2019
Revenue from Contract with Customer [Abstract]  
Remaining performance obligation, percentage 89.00%
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]  
Remaining performance obligation, expected time period of recognition 12 months