Real Estate and Other Activities - Investments in Unconsolidated Operating Entities - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Business Acquisition [Line Items]
Unfavorable fair market value adjustment on investment			$ 164.0	$ 585.0
PHP Holdings Equity Investment [Member]
Business Acquisition [Line Items]
Unfavorable fair market value adjustment on investment			2.3
Other [Member] | COVID-19 Pandemic [Member]
Business Acquisition [Line Items]
Favorable non-cash fair value adjustment on investment	$ 125.0	$ 160.0	$ 156.0	$ 595.0