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Revenue Recognition - Narrative (Details) - Accounting Standards Update 2014-09
$ in Millions
12 Months Ended
Dec. 31, 2020
USD ($)
Revenue Initial Application Period Cumulative Effect Transition [Line Items]  
Revenue recognized from deferred revenue $ 16.9
Revenue, practical expedient, incremental cost of obtaining contract true
Revenue, remaining performance obligation, optional exemption, performance obligation true