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SECURED AND UNSECURED DEBT, NET - Narrative (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |  |  |
--- | --- | --- | --- | --- | ---
Sep. 30, 2022 | Sep. 30, 2021 | Sep. 30, 2022 | Sep. 30, 2021 | Dec. 31, 2021 | Jul. 31, 2020 | Feb. 29, 2020
Secured Debt |  |  |  |  |  |  |
Percentage of secured debt which encumbers real estate owned based upon book value | 11.00% |  | 11.00% |  |  |  |
Percentage of secured debt of real estate owned which is unencumbered | 89.00% |  | 89.00% |  |  |  |
Long-term Debt | $ 5,614,737 |  | $ 5,614,737 |  |  |  |
Extinguishment of debt costs |  |  |  | $ 40,769 |  |  |
3.00% Medium-Term Notes due August 2031 |  |  |  |  |  |  |
Secured Debt |  |  |  |  |  |  |
Long-term Debt |  | $ 600,000 |  | 600,000 |  |  |
Interest rate risk |  | $ 250,000 |  | $ 250,000 |  |  |
All-in weighted average interest rate |  | 3.01% |  | 3.01% |  |  |
Unsecured Debt |  |  |  |  |  |  |
Secured Debt |  |  |  |  |  |  |
Long-term Debt | 4,581,825 |  | 4,581,825 |  |  |  |
Secured Debt |  |  |  |  |  |  |
Secured Debt |  |  |  |  |  |  |
Long-term Debt | $ 1,032,912 |  | $ 1,032,912 |  |  |  |
Fixed Rate Debt | Mortgages Notes Payable | Minimum |  |  |  |  |  |  |
Secured Debt |  |  |  |  |  |  |
Notes payable maximum interest rates range | 2.62% |  | 2.62% |  |  |  |
Fixed Rate Debt | Mortgages Notes Payable | Maximum |  |  |  |  |  |  |
Secured Debt |  |  |  |  |  |  |
Notes payable maximum interest rates range | 4.39% |  | 4.39% |  |  |  |
Fixed Rate Debt | Unsecured Debt | 2.95% Medium-Term Note due September 2026 |  |  |  |  |  |  |
Secured Debt |  |  |  |  |  |  |
Long-term Debt | $ 300,000 |  | $ 300,000 |  | $ 300,000 |  |
Stated interest rate | 2.95% |  | 2.95% |  | 2.95% |  |
Portion of medium term note subject to interest rate swaps | $ 100,000 |  | $ 100,000 |  |  |  |
All-in weighted average interest rate | 2.89% |  | 2.89% |  |  |  |
Fixed Rate Debt | Unsecured Debt | 3.50 Medium-Term Note due July 2027 |  |  |  |  |  |  |
Secured Debt |  |  |  |  |  |  |
Stated interest rate | 3.50% |  | 3.50% |  | 3.50% |  |
Portion of medium term note subject to interest rate swaps | $ 200,000 |  | $ 200,000 |  |  |  |
All-in weighted average interest rate | 4.03% |  | 4.03% |  |  |  |
Fixed Rate Debt | Unsecured Debt | 4.40% Medium-Term Notes due January 2029 |  |  |  |  |  |  |
Secured Debt |  |  |  |  |  |  |
Principal outstanding |  |  |  |  |  | $ 300,000 |
Stated interest rate | 4.40% |  | 4.40% |  | 4.40% |  |
Portion of medium term note subject to interest rate swaps | $ 150,000 |  | $ 150,000 |  |  |  |
All-in weighted average interest rate | 4.27% |  | 4.27% |  |  |  |
Fixed Rate Debt | Unsecured Debt | 3.20% Medium-Term Notes due January 2030 |  |  |  |  |  |  |
Secured Debt |  |  |  |  |  |  |
Stated interest rate | 3.20% |  | 3.20% |  | 3.20% |  |
All-in weighted average interest rate |  |  |  |  |  |  | 3.32%
Fixed Rate Debt | Unsecured Debt | 3.00% Medium-Term Notes due August 2031 |  |  |  |  |  |  |
Secured Debt |  |  |  |  |  |  |
Stated interest rate | 3.00% |  | 3.00% |  | 3.00% |  |
Unamortized net premium | $ 10,602 |  | $ 10,602 |  |  |  |
Fixed Rate Debt | Unsecured Debt | 2.10% Medium Term Note Due August 2032 |  |  |  |  |  |  |
Secured Debt |  |  |  |  |  |  |
Stated interest rate | 2.10% |  | 2.10% |  |  |  |
Fixed Rate Debt | Unsecured Debt | 2.10% Medium-Term Note due June 2033 |  |  |  |  |  |  |
Secured Debt |  |  |  |  |  |  |
Stated interest rate | 2.10% |  | 2.10% |  | 2.10% |  |
Fixed Rate Debt | Unsecured Debt | 3.10% senior unsecured notes due 2034 |  |  |  |  |  |  |
Secured Debt |  |  |  |  |  |  |
All-in weighted average interest rate | 3.13% |  | 3.13% |  |  |  |
Fixed Rate Debt | Unsecured Debt | 1.90% Medium-Term Notes due March 2033 |  |  |  |  |  |  |
Secured Debt |  |  |  |  |  |  |
Stated interest rate | 1.90% |  | 1.90% |  | 1.90% |  |
Fixed Rate Debt | Secured Debt |  |  |  |  |  |  |
Secured Debt |  |  |  |  |  |  |
Long-term Debt | $ 1,005,912 |  | $ 1,005,912 |  |  |  |
Fixed Rate Debt | Secured Debt | Mortgages Notes Payable |  |  |  |  |  |  |
Secured Debt |  |  |  |  |  |  |
Long-term Debt | 1,026,615 |  | 1,026,615 |  | $ 1,030,440 |  |
Fixed Rate Debt | Debt Assumed As Part of Acquisition | Mortgages Notes Payable |  |  |  |  |  |  |
Secured Debt |  |  |  |  |  |  |
Amortization of debt discount (Premium) | 1,100 | $ 1,100 | 3,300 | $ 2,800 |  |  |
Unamortized net premium | 23,700 |  | 23,700 |  | $ 27,000 |  |
Variable Rate Debt | Secured Debt |  |  |  |  |  |  |
Secured Debt |  |  |  |  |  |  |
Long-term Debt | 27,000 |  | 27,000 |  |  |  |
Variable Rate Debt | Tax-exempt notes payable | Mortgages Notes Payable |  |  |  |  |  |  |
Secured Debt |  |  |  |  |  |  |
Principal outstanding | $ 27,000 |  | $ 27,000 |  |  |  |
Variable Rate Debt | Tax-exempt secured notes payable | Mortgages Notes Payable |  |  |  |  |  |  |
Secured Debt |  |  |  |  |  |  |
Notes payable maximum interest rates range | 2.38% |  | 2.38% |  |  |  |

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