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Mortgage Notes Payable, Unsecured Notes and Credit Facility (Details 3) - USD ($) $ in Thousands | 9 Months Ended |  |  |  |
--- | --- | --- | --- | --- | ---
Sep. 30, 2020 | Aug. 31, 2020 | Mar. 31, 2020 | Feb. 29, 2020 | Dec. 31, 2019
Notes Payable, Unsecured Notes and Credit Facility |  |  |  |  |
Mortgage notes payable and unsecured notes | $ 7,631,099 |  |  |  | $ 7,355,371
Notes Payable Maturities 2020 [Member] |  |  |  |  |
Notes Payable, Unsecured Notes and Credit Facility |  |  |  |  |
Stated interest rate of unsecured notes (as a percent) |  | 4.18% |  | 3.08% |
Notes Payable Maturities 2027 |  |  |  |  |
Notes Payable, Unsecured Notes and Credit Facility |  |  |  |  |
Stated interest rate of unsecured notes (as a percent) |  |  |  | 2.38% |
Secured notes |  |  |  |  |
Notes Payable, Unsecured Notes and Credit Facility |  |  |  |  |
Secured notes payments | 305,567 |  |  |  |
Mortgage notes payable and unsecured notes | 575,532 |  |  |  |
Secured notes | Notes Payable Maturities 2020 [Member] |  |  |  |  |
Notes Payable, Unsecured Notes and Credit Facility |  |  |  |  |
Secured notes payments | 1,285 |  |  |  |
Mortgage notes payable and unsecured notes | 0 |  |  |  |
Secured notes | Notes Payable Maturities 2021 [Member] |  |  |  |  |
Notes Payable, Unsecured Notes and Credit Facility |  |  |  |  |
Secured notes payments | 9,304 |  |  |  |
Mortgage notes payable and unsecured notes | 27,844 |  |  |  |
Secured notes | Notes payable maturing in 2022 |  |  |  |  |
Notes Payable, Unsecured Notes and Credit Facility |  |  |  |  |
Secured notes payments | 9,918 |  |  |  |
Secured notes | Notes Payable Maturities 2023 |  |  |  |  |
Notes Payable, Unsecured Notes and Credit Facility |  |  |  |  |
Secured notes payments | 10,739 |  |  |  |
Secured notes | Notes Payable Maturities 2024 |  |  |  |  |
Notes Payable, Unsecured Notes and Credit Facility |  |  |  |  |
Secured notes payments | 11,677 |  |  |  |
Secured notes | Notes Payable Maturities 2025 |  |  |  |  |
Notes Payable, Unsecured Notes and Credit Facility |  |  |  |  |
Secured notes payments | 12,408 |  |  |  |
Secured notes | Notes Payable Maturities 2026 |  |  |  |  |
Notes Payable, Unsecured Notes and Credit Facility |  |  |  |  |
Secured notes payments | 13,445 |  |  |  |
Secured notes | Notes Payable Maturities 2027 |  |  |  |  |
Notes Payable, Unsecured Notes and Credit Facility |  |  |  |  |
Secured notes payments | 15,080 |  |  |  |
Mortgage notes payable and unsecured notes | 236,100 |  |  |  |
Secured notes | Notes Payable Maturities 2028 |  |  |  |  |
Notes Payable, Unsecured Notes and Credit Facility |  |  |  |  |
Secured notes payments | 20,607 |  |  |  |
Secured notes | Notes Payable Maturities 2029 [Member] |  |  |  |  |
Notes Payable, Unsecured Notes and Credit Facility |  |  |  |  |
Secured notes payments | 11,742 |  |  |  |
Mortgage notes payable and unsecured notes | 66,250 |  |  |  |
Secured notes | Notes Payable Maturities Thereafter |  |  |  |  |
Notes Payable, Unsecured Notes and Credit Facility |  |  |  |  |
Secured notes payments | 189,362 |  |  |  |
Mortgage notes payable and unsecured notes | 245,338 |  |  |  |
Unsecured notes |  |  |  |  |
Notes Payable, Unsecured Notes and Credit Facility |  |  |  |  |
Mortgage notes payable and unsecured notes | 6,750,000 |  |  |  |
Unsecured notes | Notes Payable Maturities 2021 [Member] |  |  |  |  |
Notes Payable, Unsecured Notes and Credit Facility |  |  |  |  |
Stated interest rate of unsecured notes (as a percent) |  |  | 3.95% |  |
Unsecured notes | Notes payable maturing in 2022 |  |  |  |  |
Notes Payable, Unsecured Notes and Credit Facility |  |  |  |  |
Mortgage notes payable and unsecured notes | $ 450,000 |  |  |  |
Stated interest rate of unsecured notes (as a percent) | 2.95% |  |  |  |
Unsecured notes | Variable Rate Unsecured Term Loan $100 Million |  |  |  |  |
Notes Payable, Unsecured Notes and Credit Facility |  |  |  |  |
Mortgage notes payable and unsecured notes | $ 100,000 |  |  |  |
Unsecured notes | Variable Rate Unsecured Term Loan $100 Million | LIBOR |  |  |  |  |
Notes Payable, Unsecured Notes and Credit Facility |  |  |  |  |
Debt instrument, basis spread on variable rate (as a percent) | 0.90% |  |  |  |
Unsecured notes | Notes payable 4.200 Maturities 2023 |  |  |  |  |
Notes Payable, Unsecured Notes and Credit Facility |  |  |  |  |
Mortgage notes payable and unsecured notes | $ 350,000 |  |  |  |
Stated interest rate of unsecured notes (as a percent) | 4.20% |  |  |  |
Unsecured notes | Notes Payable 2.850 Maturities 2023 |  |  |  |  |
Notes Payable, Unsecured Notes and Credit Facility |  |  |  |  |
Mortgage notes payable and unsecured notes | $ 250,000 |  |  |  |
Stated interest rate of unsecured notes (as a percent) | 2.85% |  |  |  |
Unsecured notes | Notes Payable Maturities 2024 |  |  |  |  |
Notes Payable, Unsecured Notes and Credit Facility |  |  |  |  |
Mortgage notes payable and unsecured notes | $ 300,000 |  |  |  |
Stated interest rate of unsecured notes (as a percent) | 3.50% |  |  |  |
Unsecured notes | Variable Rate Unsecured Term Loan $150 Million |  |  |  |  |
Notes Payable, Unsecured Notes and Credit Facility |  |  |  |  |
Mortgage notes payable and unsecured notes | $ 150,000 |  |  |  |
Unsecured notes | Variable Rate Unsecured Term Loan $150 Million | LIBOR |  |  |  |  |
Notes Payable, Unsecured Notes and Credit Facility |  |  |  |  |
Debt instrument, basis spread on variable rate (as a percent) | 0.85% |  |  |  |
Unsecured notes | Notes Payable 3.450 Maturities 2025 |  |  |  |  |
Notes Payable, Unsecured Notes and Credit Facility |  |  |  |  |
Mortgage notes payable and unsecured notes | $ 525,000 |  |  |  |
Stated interest rate of unsecured notes (as a percent) | 3.45% |  |  |  |
Unsecured notes | Notes Payable 3.500 Maturities 2025 |  |  |  |  |
Notes Payable, Unsecured Notes and Credit Facility |  |  |  |  |
Mortgage notes payable and unsecured notes | $ 300,000 |  |  |  |
Stated interest rate of unsecured notes (as a percent) | 3.50% |  |  |  |
Unsecured notes | Notes Payable 2.950 Maturities 2026 |  |  |  |  |
Notes Payable, Unsecured Notes and Credit Facility |  |  |  |  |
Mortgage notes payable and unsecured notes | $ 475,000 |  |  |  |
Stated interest rate of unsecured notes (as a percent) | 2.95% |  |  |  |
Unsecured notes | Notes Payable 2.900 Maturities 2026 |  |  |  |  |
Notes Payable, Unsecured Notes and Credit Facility |  |  |  |  |
Mortgage notes payable and unsecured notes | $ 300,000 |  |  |  |
Stated interest rate of unsecured notes (as a percent) | 2.90% |  |  |  |
Unsecured notes | Notes Payable Maturities 2027 |  |  |  |  |
Notes Payable, Unsecured Notes and Credit Facility |  |  |  |  |
Mortgage notes payable and unsecured notes | $ 400,000 |  |  |  |
Stated interest rate of unsecured notes (as a percent) | 3.35% |  |  |  |
Unsecured notes | Notes Payable Maturities 2028 |  |  |  |  |
Notes Payable, Unsecured Notes and Credit Facility |  |  |  |  |
Mortgage notes payable and unsecured notes | $ 450,000 |  |  |  |
Stated interest rate of unsecured notes (as a percent) | 3.20% |  |  |  |
Unsecured notes | Notes Payable Maturities 2029 [Member] |  |  |  |  |
Notes Payable, Unsecured Notes and Credit Facility |  |  |  |  |
Mortgage notes payable and unsecured notes | $ 450,000 |  |  |  |
Stated interest rate of unsecured notes (as a percent) | 3.30% |  |  |  |
Unsecured notes | Notes Payable Maturities 2030 [Member] |  |  |  |  |
Notes Payable, Unsecured Notes and Credit Facility |  |  |  |  |
Mortgage notes payable and unsecured notes | $ 700,000 |  |  |  |
Stated interest rate of unsecured notes (as a percent) | 2.30% |  |  |  |
Unsecured notes | Notes Payable Maturities 2031 [Member] |  |  |  |  |
Notes Payable, Unsecured Notes and Credit Facility |  |  |  |  |
Mortgage notes payable and unsecured notes | $ 600,000 |  |  |  |
Stated interest rate of unsecured notes (as a percent) | 2.45% |  |  |  |
Unsecured notes | Notes Payable Maturities 2046 |  |  |  |  |
Notes Payable, Unsecured Notes and Credit Facility |  |  |  |  |
Mortgage notes payable and unsecured notes | $ 350,000 |  |  |  |
Stated interest rate of unsecured notes (as a percent) | 3.90% |  |  |  |
Unsecured notes | Notes Payable Maturities 2047 |  |  |  |  |
Notes Payable, Unsecured Notes and Credit Facility |  |  |  |  |
Mortgage notes payable and unsecured notes | $ 300,000 |  |  |  |
Stated interest rate of unsecured notes (as a percent) | 4.15% |  |  |  |
Unsecured notes | Notes Payable Maturities 2048 |  |  |  |  |
Notes Payable, Unsecured Notes and Credit Facility |  |  |  |  |
Mortgage notes payable and unsecured notes | $ 300,000 |  |  |  |
Stated interest rate of unsecured notes (as a percent) | 4.35% |  |  |  |

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