Fair Value Measurements - Change in Fair Value of Warrant (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Warrants Roll Forward [Abstract]
Balance as of January 1	$ 0.3	$ 0.0
Initial measurement of warrants liability as of July 31, 2022	0.0	0.5
Change in fair value	(0.3)	(0.2)
Balance as of December 31	$ 0.0	$ 0.3