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Derivative Instruments and Hedging Activities Additional Information (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Derivative [Line Items]        
Unrealized gain (loss) on derivative instruments $ 1.8 $ (2.1) $ 3.2 $ (12.4)
Designated as Hedging Instrument | Cash Flow Hedging        
Derivative [Line Items]        
Unrealized gain (loss) on derivative instruments $ 1.8 $ (2.1) $ 3.2 $ (12.4)