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Derivatives - Additional Information (Details) - USD ($)
$ in Millions
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2013
Derivative [Line Items]      
Interest rate swap notional amounts $ 0.0 $ 0.0  
Interest Rate Swap Maturing December 2017 | Cash Flow Hedging      
Derivative [Line Items]      
Interest rate swap notional amounts     $ 712.5
Fixed interest rate swap rates     1.56%
Interest Rate Swap Maturing December 2017 | Cash Flow Hedging | LIBOR      
Derivative [Line Items]      
Derivative variable rate basis spread     1.00%
Interest Rate Swap Maturing July 2018 | Cash Flow Hedging      
Derivative [Line Items]      
Interest rate swap notional amounts     $ 400.0
Fixed interest rate swap rates     1.66%