Investments in and Advances to Real Estate Joint Ventures - Joint Venture Investments Accounted for Under the Equity Method, Debt Details (Details) - USD ($) $ in Millions		9 Months Ended	12 Months Ended
		Sep. 30, 2024	Dec. 31, 2023
Schedule of Equity Method Investments [Line Items]
Mortgage and notes payable		$ 1,475.3	$ 1,248.9
Prudential Investment Program [Member]
Schedule of Equity Method Investments [Line Items]
Mortgage and notes payable		$ 269.2	$ 291.6
Weighted average interest rate		5.90%	6.00%
Weighted average remaining term (Month)	[1]	22 months 21 days	24 months 18 days
KIR [Member]
Schedule of Equity Method Investments [Line Items]
Mortgage and notes payable		$ 273.7	$ 273.4
Weighted average interest rate		5.82%	5.82%
Weighted average remaining term (Month)	[1]	30 months 6 days	39 months 6 days
R2G Venture LLC [Member]
Schedule of Equity Method Investments [Line Items]
Mortgage and notes payable	[2]	$ 68.2	$ 0.0
Weighted average interest rate	[2]	2.90%	0.00%
Weighted average remaining term (Month)	[1],[2]	77 months 21 days
CPP [Member]
Schedule of Equity Method Investments [Line Items]
Mortgage and notes payable		$ 81.0	$ 81.9
Weighted average interest rate		4.88%	5.12%
Weighted average remaining term (Month)	[1]	22 months	31 months
Other Institutional Joint Ventures [Member]
Schedule of Equity Method Investments [Line Items]
Mortgage and notes payable		$ 234.6	$ 234.1
Weighted average interest rate		5.76%	5.76%
Weighted average remaining term (Month)	[1]	26 months 21 days	35 months 21 days
Other Joint Venture Programs [Member]
Schedule of Equity Method Investments [Line Items]
Mortgage and notes payable	[3]	$ 548.6	$ 367.9
Weighted average interest rate	[3]	5.05%	4.44%
Weighted average remaining term (Month)	[1],[3]	43 months 24 days	59 months 18 days

[1] Includes extension options

[2] In connection with the RPT Merger, the Company acquired an ownership interest in this joint venture, which had aggregate secured debt of $66.7 million (including a fair market value adjustment of $14.4 million).

[3] In connection with the RPT Merger, the Company acquired an ownership interest in a joint venture, which had aggregate secured debt of $187.1 million (including a fair market value adjustment of $3.2 million).