Summary of Significant Accounting Policies - Schedule of Gain on Sale of Real Estate (Detail) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Dispositions to third parties
Gross proceeds	$ 40.4	$ 248.7	$ 87.7	$ 539.5
Gain on sale of real estate, net	$ 2.0	$ 33.5	$ 3.2	$ 45.9

Amount of difference between the carrying amount and the sales price of real estate properties sold as part of discontinued operations.

No definition available.

Name:	us-gaap_GainLossOnDispositionOfRealEstateDiscontinuedOperations
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration