Leases - Operating Lease Expense (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Leases [Abstract]
Operating Lease, Cost	$ 8.1	$ 7.0
Short-Term Lease, Cost	0.1	0.2
Variable Lease, Cost	0.7	0.2
Total lease cost	$ 8.9	$ 7.4