Income Taxes (Details 5) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Beginning balance of unrecognized tax benefits	$ 2.9	$ 2.4
Decrease for prior period tax positions	0.1	(0.5)
Increase for current period tax positions	0.6	1.0
Ending balance of unrecognized tax benefits	$ 3.6	$ 2.9