Fair Value Measurements - Changes in Private Placement Warrants Liabilities (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021	Dec. 31, 2020
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value Adjustment of Warrants	$ (100.4)	$ (51.2)
Stock Issued During Period, Value, Private Warrants Exercised		(3.6)
Warrants and Rights Outstanding	127.4		$ 227.8
Recurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Warrants and Rights Outstanding	127.4		227.8
Level 3 | Recurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Warrants and Rights Outstanding	127.4	258.0	$ 227.8	$ 312.8
Level 3 | Recurring | Private Warrant
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value Adjustment of Warrants	(100.4)	(51.2)
Stock Issued During Period, Value, Private Warrants Exercised	$ 0.0	$ (3.6)