Goodwill and Intangible Assets - Schedule of Intangible Assets (Details) - USD ($) $ in Millions	Dec. 31, 2025	Dec. 31, 2024
Cost
Total intangible assets subject to amortization	$ 30.5	$ 30.5
Intangible assets, net of amortization	145.9	145.9
Net
Total intangible assets subject to amortization	23.9	24.1
Intangible assets, net of amortization	139.3	139.5
Trade name
Cost
Intangible assets not subject to amortization, indefinite lives:	115.4	115.4
Net
Intangible assets not subject to amortization, indefinite lives:	$ 115.4	115.4
Pipeline space
Intangible Asset, Acquired, Finite-Lived [Line Items]
Remaining Useful Life (in years)	29 years 8 months 12 days
Cost
Pipeline space	$ 39.6	39.6
Net
Pipeline space	$ 29.7	30.7
Intangible lease liability
Intangible Asset, Acquired, Finite-Lived [Line Items]
Remaining Useful Life (in years)	8 years 7 months 6 days
Cost
Intangible lease liability	$ (9.1)	(9.1)
Net
Intangible lease liability	$ (5.8)	$ (6.6)