Income Taxes - Schedule of Federal Statutory Income Tax Rate to Income (Loss) Before Income Taxes (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Income Tax Disclosure [Abstract]
Tax (benefit) at federal statutory rate	$ (7.0)	$ (7.2)
State tax, net of federal benefit	(1.3)	1.4
Non-deductible meals and entertainment	0.5	0.6
Executive and stock compensation	2.1	0.3
Increase (decrease) in valuation allowance	19.8	8.9
Tax rate changes	(4.9)	1.2
Return to provision	(3.8)	0.6
Foreign withholding tax expense	0.0	4.4
Gain on sale of investment	0.0	0.5
Outside basis differences	0.0	(6.9)
Other	0.9	0.7
Income tax expense	$ 6.3	$ 4.5