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Notes Payable, Bank Credit Facility, Interest and Amortization of Deferred Debt Costs - Scheduled Maturities of Debt, Including Scheduled Principal Amortization (Details) - USD ($) | Jun. 30, 2024 | Dec. 31, 2023
--- | --- | ---
Principal Payments |  |
July 1 through December 31, 2024 | $ 16,886,000 |
2025 | 290,059,000 |
2026 | 164,738,000 |
2027 | 129,390,000 |
2028 | 47,957,000 |
2029 | 56,003,000 |
Thereafter | 757,516,000 |
Principal amount | 1,462,549,000 | $ 1,410,000,000
Unamortized deferred debt costs | 19,945,000 | 19,300,000
Net | 1,442,604,000 |
Outstanding line of credit | 235,102,000 | $ 274,715,000
Line of Credit |  |
Principal Payments |  |
Line of credit facility, maximum borrowing capacity | 525,000,000.0 |
Unsecured Revolving Credit Facility |  |
Principal Payments |  |
Outstanding line of credit | 336,000,000.0 |
Unsecured Revolving Credit Facility | Line of Credit |  |
Principal Payments |  |
Outstanding line of credit | 236,000,000.0 |
Term Facility | Line of Credit |  |
Principal Payments |  |
Line of credit facility, maximum borrowing capacity | $ 100,000,000.0 |

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