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Derivatives (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Mar. 03, 2020
Aug. 06, 2019
Derivative Instruments and Hedging Activities Disclosure [Abstract]          
Notional Amount of Interest Rate Cash Flow Hedge Derivatives       $ 25.0 $ 50.0
Interest expense on derivatives $ 1.6 $ (0.7) $ (0.5)