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Notes Payable and Unsecured Credit Facility - Schedule of Debt Net of Unamortized Debt Premium (Discount) and Debt Issuance Costs (Details) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2024 | Dec. 31, 2023
Debt Instrument [Line Items] |  |  |
Debt Instrument, Variable Interest Rate, Type [Extensible Enumeration] |  | us-gaap:SecuredOvernightFinancingRateSofrMember |
Long-term Debt |  | $ 4,408,700 | $ 4,153,949
Line of Credit | [1] | $ 65,000 | 152,000
Fixed Rate Mortgage Loans [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Long-term Debt, Maturity Date |  | Jun. 01, 2037 |
Debt, Weighted Average Contractual Interest Rate |  | 3.90% |
Debt, Weighted Average Effective Interest Rate |  | 4.30% |
Long-term Debt |  | $ 337,703 | 449,615
Variable Rate Mortgage Loans [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Long-term Debt, Maturity Date | [2] | Jan. 31, 2032 |
Debt, Weighted Average Contractual Interest Rate | [2] | 4.30% |
Debt, Weighted Average Effective Interest Rate | [2] | 4.40% |
Long-term Debt | [2] | $ 282,117 | 299,579
Unsecured Debt [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Long-term Debt, Maturity Date |  | Mar. 15, 2049 |
Debt, Weighted Average Contractual Interest Rate |  | 4.10% |
Debt, Weighted Average Effective Interest Rate |  | 4.30% |
Long-term Debt |  | $ 3,723,880 | 3,252,755
Notes Payable to Banks [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Long-term Debt |  | $ 4,343,700 | 4,001,949
Line of Credit [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Long-term Debt, Maturity Date | [3] | Mar. 23, 2028 |
Debt, Weighted Average Contractual Interest Rate | [3] | 5.30% |
Debt, Weighted Average Effective Interest Rate | [3] | 5.60% |
Long-term Debt | [3] | $ 65,000 | $ 152,000
[1] | The carrying amounts approximated its fair values due to the variable nature of the terms.
[2] | As of December 31, 2024, 96.1% of the Variable rate mortgage loans are fixed through interest rate swaps.
[3] | The Company has the option to extend the maturity date by two additional six-month periods. Weighted average effective rate for the Line is calculated based on a fully drawn Line balance using the period end variable rate.

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