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v3.20.1

Notes Payable and Unsecured Credit Facilities Schedule of maturities of long-term debt (Details) - USD ($) $ in Thousands | Mar. 31, 2020 | Dec. 31, 2019
--- | --- | ---
Debt Instrument [Line Items] |  |
2020 | $ 43,921 |
2021 | 85,699 |
2022 | 1,287,645 |
2023 | 69,498 |
2024 | 346,043 |
Beyond 5 Years | 2,608,015 |
Unamortized debt premium/(discount) and issuance costs | (25,964) |
Total | 4,414,857 | $ 3,919,544
Unsecured Debt [Member] |  |
Debt Instrument [Line Items] |  |
Total | 2,945,429 | $ 2,944,752
Scheduled Principal Payments [Member] | Mortgages [Member] |  |
Debt Instrument [Line Items] |  |
2020 | 8,671 |
2021 | 11,598 |
2022 | 11,797 |
2023 | 10,124 |
2024 | 5,301 |
Beyond 5 Years | 21,712 |
Unamortized debt premium/(discount) and issuance costs | 0 |
Total | 69,203 |
Mortgage Loan Maturities [Member] | Mortgages [Member] |  |
Debt Instrument [Line Items] |  |
2020 | 35,250 |
2021 | 74,101 |
2022 | 5,848 |
2023 | 59,374 |
2024 | 90,742 |
Beyond 5 Years | 161,303 |
Unamortized debt premium/(discount) and issuance costs | 4,150 |
Total | 430,768 |
Unsecured Maturities [Member] | Unsecured Debt [Member] |  |
Debt Instrument [Line Items] |  |
2020 | 0 |
2021 | 0 |
2022 | 1,270,000 |
2023 | 0 |
2024 | 250,000 |
Beyond 5 Years | 2,425,000 |
Unamortized debt premium/(discount) and issuance costs | (30,114) |
Total | $ 3,914,886 |

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