Basis of Presentation and Summary of Significant Accounting Policies - Derivative Instruments and Hedging Activities (Details) - Interest rate swap - Not designated as hedging instrument - USD ($) $ in Millions	1 Months Ended	12 Months Ended
	Nov. 30, 2017	Dec. 31, 2019	Dec. 31, 2018
Derivative Instruments, Gain (Loss) [Line Items]
Term of hedging contract (in years)	3 years
Notional amount	$ 347.8	$ 328.1
Weighted Average Interest Rate		1.9275%
Gain on interest rate swaps		$ 4.3	$ 2.5