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Combined Guarantor Subsidiaries - Mortgage Notes Payable, Net - Net Mortgage Notes Payable (Details) - USD ($) | Mar. 31, 2020 | Dec. 31, 2019
--- | --- | ---
Debt Instrument [Line Items] |  |
Mortgage notes payable | $ 2,601,849,000 | $ 2,695,888,000
Unamortized deferred financing costs | (15,232,000) | (16,148,000)
Total mortgage notes payable, net | $ 3,789,692,000 | $ 3,527,015,000
Weighted average interest rate (as a percent) | 4.85% | 5.02%
Guarantor Subsidiaries |  |
Debt Instrument [Line Items] |  |
Unamortized deferred financing costs | $ (94,000) | $ (112,000)
Total mortgage notes payable, net | 248,223,000 | 249,879,000
Guarantor Subsidiaries | Mortgages |  |
Debt Instrument [Line Items] |  |
Mortgage notes payable | $ 248,317,000 | 249,991,000
Weighted average interest rate (as a percent) | 5.23% |
Guarantor Subsidiaries | Greenbrier Mall | Mortgages |  |
Debt Instrument [Line Items] |  |
Mortgage notes payable | $ 64,501,000 | 64,801,000
Weighted average interest rate (as a percent) | 5.41% |
Guarantor Subsidiaries | Park Plaza Mall | Mortgages |  |
Debt Instrument [Line Items] |  |
Mortgage notes payable | $ 77,577,000 | 78,339,000
Weighted average interest rate (as a percent) | 5.28% |
Guarantor Subsidiaries | Arbor Place Mall | Mortgages |  |
Debt Instrument [Line Items] |  |
Mortgage notes payable | $ 106,239,000 | $ 106,851,000
Weighted average interest rate (as a percent) | 5.10% |

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