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Revenue - Narrative (Details)
$ in Millions
12 Months Ended
Dec. 31, 2019
USD ($)
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]  
Contract revenue recognized $ 15.9
Remaining performance obligation $ 159.9
Contract acquisition costs  
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]  
Amortization period of capitalized contract cost 5 years