Notes Payable and Unsecured Credit Facilities - Schedule of Debt Net of Unamortized Debt Premium (Discount) and Debt Issuance Costs (Parentheticals) (Details) - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2024	Dec. 31, 2023
Debt Instrument [Line Items]
Long-term Debt		$ 4,417,181	$ 4,153,949
Percentage of variable rate mortgage loans fixed through interest rate swaps		98.30%
Line of credit maximum amount		$ 1,500,000
Line of credit maturity date		Mar. 23, 2028
Line of credit extended maturity period		two additional six-month periods
Variable Rate Mortgage Loans [Member] | SOFR [Member]
Debt Instrument [Line Items]
Long-term Debt	[1]	$ 298,375	$ 299,579

[1] As of March 31, 2024, 98.3% of the variable rate mortgage loans are fixed through interest rate swaps.