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Leases - Narrative (Details) - USD ($)
$ in Millions
Mar. 31, 2020
Dec. 31, 2019
Jan. 01, 2019
Lessee, Lease, Description [Line Items]      
ROU lease asset $ 22.9 $ 22.6  
Operating lease liability 23.2 22.8  
Accounting Standards Update 2016-02      
Lessee, Lease, Description [Line Items]      
ROU lease asset 22.9 22.6 $ 23.2
Operating lease liability $ 23.2 $ 22.8 $ 23.2