Goodwill and Intangible Assets, Net - Schedule of Intangible Assets (Detail) - USD ($) $ in Millions	Jun. 30, 2025	Dec. 31, 2024
Finite Lived Intangible Assets [Line Items]
Gross	$ 60.2	$ 60.2
Accumulated Amortization	(15.9)	(14.0)
Net	44.3	46.2
Naming Rights [Member]
Finite Lived Intangible Assets [Line Items]
Gross	60.2	60.2
Accumulated Amortization	(15.9)	(14.0)
Net	$ 44.3	$ 46.2