Schedule III - Changes in Accumulated Depreciation (Parenthetical) (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Construction and building improvements in progress	$ 530.0	$ 420.0	$ 400.0
Land and building cost reflected in real estate held for sale		52.2
Accumulated depreciation, real estate held for sale		$ 18.2
California [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Real estate related to facilities previously operated by prospect	$ 500.0