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Derivative Instruments and Hedging Activities - Additional Information (Details) - Cash Flow Hedges - Derivatives Designated as Hedging Instruments - Interest Rate Swap Agreements
1 Months Ended
May 31, 2019
Agreement
Sep. 30, 2020
USD ($)
Derivative [Line Items]    
Number of amortizing interest rate swap agreements | Agreement 8  
Derivative maturity month and year 2024-05  
Derivative, fixed interest rate 2.20%  
Derivative, notional amount   $ 800,000,000.0
Derivative amount reclassify from accumulated OCI to interest expense within next 12 months   $ 15,300,000