Mortgages, Notes and Loans Payable, Net (Schedule of Secured Mortgages Payable) (Details) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2023	Dec. 31, 2022
Debt Instrument [Line Items]
Weighted-average Interest Rate	7.86%	5.91%
Mortgages
Debt Instrument [Line Items]
Fixed rate	$ 1,492,580	$ 1,500,841
Variable rate	1,174,574	916,570
Secured mortgages payable	$ 2,667,154	$ 2,417,411
Fixed interest, weighted average interest rate	4.39%	4.39%
Variable interest, weighted average interest rate	8.59%	7.36%
Weighted-average Interest Rate	6.24%	5.51%
Fixed interest, weighted-average years to maturity	7 years 3 months 18 days	8 years 1 month 6 days
Variable interest, weighted-average years to maturity	2 years 6 months	3 years 2 months 12 days
Weighted-average Years to Maturity	5 years 2 months 12 days	6 years 2 months 12 days
Mortgages | Minimum
Debt Instrument [Line Items]
Fixed weighted-average interest rate	3.13%	3.13%
Variable weighted-average interest rate	7.06%	6.05%
Range of Interest Rates	3.13%	3.13%
Mortgages | Maximum
Debt Instrument [Line Items]
Fixed weighted-average interest rate	7.67%	7.67%
Variable weighted-average interest rate	13.87%	9.39%
Range of Interest Rates	13.87%	9.39%