Income Taxes - Schedule of Components of Income Tax Expense (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024
Current expense
Federal	$ 0.1	$ 0.3
State	0.0	0.4
Total current expense	0.1	0.7
Deferred expense
Federal	4.9	6.4
State	0.5	0.5
Total deferred expense	5.4	6.9
Income tax expense	$ 5.5	$ 7.6