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Maximum amount of estimate for undiscounted range of outcomes in contingent consideration arrangement in business combination.

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Minimum amount of estimate for undiscounted range of outcomes in contingent consideration arrangement in business combination.

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- Definition

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission.

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Amount of real estate investments, net of accumulated depreciation, which may include the following: (1) land available-for-sale; (2) land available-for-development; (3) investments in building and building improvements; (4) tenant allowances; (5) developments in-process; (6) rental properties; (7) other real estate investments; (8) real estate joint ventures; and (9) unconsolidated real estate and other joint ventures not separately presented.

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Amount of unrealized gain (loss) on investment.

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Fair Value Measurements - Narrative (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025	Dec. 31, 2025
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Estimated fair value of external debt	$ 2,600.0		$ 2,600.0		$ 2,800.0
Gross carrying value of debt	2,600.0		$ 2,600.0		2,700.0
Earn out payment			4 years
Unrealized gain (loss) on investments	(3.1)	$ 0.3	$ (4.2)	$ (0.4)
Early State Proptech Companies
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments in real estate ventures	45.2		45.2		45.3
Traded Real Estate Companies
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments in real estate ventures	32.0		32.0		35.2
Real Estate Venture Capital Funds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments in real estate ventures	68.4		68.4		$ 69.0
Several Estate Service Companies
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Earn-out liabilities, maximum	10.6		10.6
Earn-out liabilities, minimum	$ 0.0		$ 0.0