Income Taxes - Operating Loss Carryforwards (Details) $ in Millions	12 Months Ended
	Dec. 31, 2023 USD ($)
Federal
Operating loss carryforwards
Net operating loss carryforwards	$ 0.1
Foreign
Operating loss carryforwards
Net operating loss carryforwards	0.2
Research and development and other tax credit carryforwards
Operating loss carryforwards
Net operating loss carryforwards	15.2
Uncertain tax position	$ 3.0