Debt - Schedule of Convertible Securities (Details) - Junior Convertible Trust Preferred Securities - Junior convertible securities - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Debt Instrument [Line Items]
Contractual interest expense	$ 16.9	$ 17.6	$ 17.6
Amortization of debt issuance costs	0.2	0.2	0.2
Total	$ 17.1	$ 17.8	$ 17.8
Effective interest rate	5.00%	5.21%	5.21%