Annual report pursuant to Section 13 and 15(d)

Derivatives - Additional Information (Details)

v3.20.4
Derivatives - Additional Information (Details)
$ in Millions
12 Months Ended
Dec. 31, 2020
USD ($)
derivative
derivative_instrument
Dec. 31, 2019
USD ($)
Dec. 31, 2018
USD ($)
Derivatives, Fair Value [Line Items]      
Net (loss) gain on derivatives, tax $ 19.4 $ 17.7 $ 0.4
Derivative, undesignated, number of instruments held | derivative_instrument 6    
Minimum | LIBOR      
Derivatives, Fair Value [Line Items]      
Interest rate 0.57%    
Maximum | LIBOR      
Derivatives, Fair Value [Line Items]      
Interest rate 3.33%    
Interest rate swaps      
Derivatives, Fair Value [Line Items]      
Number of interest rate swaps | derivative 52    
Additional amount to be classified as an increase to earnings during next 12 months $ 28.2