v3.26.3
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, 2026
Dec. 31, 2025
Subsidiary or Equity Method Investee [Line Items]    
Mortgage and notes payable $ 1,483.8 $ 1,419.2
Prudential Investment Program [Member]    
Subsidiary or Equity Method Investee [Line Items]    
Mortgage and notes payable $ 233.4 $ 233.9
Weighted average interest rate 5.19% 5.25%
Weighted average remaining term (Month) [1] 18 months 15 days 22 months 6 days
KIR [Member]    
Subsidiary or Equity Method Investee [Line Items]    
Mortgage and notes payable $ 273.3 $ 274.4
Weighted average interest rate 4.56% 4.58%
Weighted average remaining term (Month) [1] 53 months 24 days 15 months 6 days
R2G Venture LLC [Member]    
Subsidiary or Equity Method Investee [Line Items]    
Mortgage and notes payable $ 72.2 $ 70.7
Weighted average interest rate 2.90% 2.90%
Weighted average remaining term (Month) [1] 53 months 21 days 62 months 18 days
Other Institutional Joint Ventures [Member]    
Subsidiary or Equity Method Investee [Line Items]    
Mortgage and notes payable [2],[3] $ 374.4 $ 302.0
Weighted average interest rate [2],[3] 5.26% 5.37%
Weighted average remaining term (Month) [1],[2],[3] 47 months 37 months
Other Joint Venture Programs [Member]    
Subsidiary or Equity Method Investee [Line Items]    
Mortgage and notes payable $ 530.5 $ 538.2
Weighted average interest rate 4.90% 5.04%
Weighted average remaining term (Month) [1] 35 months 6 days 33 months
[1] Includes extension options
[2] During August 2026, certain joint ventures obtained $154.1 million of secured debt encumbering five operating properties.
[3] During the nine months ended September 30, 2026, the CPP joint venture repaid $78.6 million of mortgage debt that encumbered an operating property.