Fair Value Measurements - Assets and Liabilities Measured at Fair Value on a Recurring Basis using Significant Unobservable Inputs (Details) $ in Millions	12 Months Ended
	Dec. 31, 2021 USD ($)
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Balance at December 31, 2020	$ 2.3
Additions	0.2
Sales	0.0
Total realized or unrealized gains (losses) included in earnings, net	0.0
Balance at December 31, 2021	$ 2.5