Summary of Significant Accounting Policies - Derivative Instruments and Hedging Activities Narrative (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Jan. 01, 2021	Mar. 02, 2020
Derivative [Line Items]
Derivative, notional amount					$ 1,200.0
Mark-to-market gains/(losses) for derivatives	$ 0.6	$ 0.9	$ (0.4)
Interest Rate Swap
Derivative [Line Items]
Derivative, notional amount	$ 1,000.0	$ 1,200.0		$ 1,000.0	$ 1,200.0