Income Taxes - Income Tax (Expense) Benefit Related to Federal, State and Local Jurisdictions (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Current Tax Expense (Benefit)
Federal	$ 55.1	$ 18.5	$ 5.6
State and Local	1.3	1.4	0.9
Total Current Tax Expense (Benefit)	56.4	19.9	6.5
Deferred Tax Expense (Benefit)
Federal	(17.2)	6.1	2.8
State and Local	(0.1)	(0.2)	(1.0)
Total Deferred Tax Expense (Benefit)	(17.3)	5.9	1.8
Total Income Tax Expense (Benefit)
Federal	37.9	24.6	8.4
State and Local	1.2	1.2	(0.1)
Effective Tax Rate	$ 39.1	$ 25.8	$ 8.3