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Mortgage and Other Indebtedness - Consolidated Indebtedness by Type of Interest Rate (Details) - USD ($) $ in Thousands | 3 Months Ended |
--- | --- | ---
Mar. 31, 2021 | Dec. 31, 2020
Debt Instrument [Line Items] |  |
Debt outstanding | $ 1,315,248 | $ 1,170,794
Ratio (as percent) | 100.00% |
Weighted Average Interest Rate (as percent) | 3.62% |
Weighted average maturity (in years) | 4 years 10 months 24 days |
Net Debt Premiums and Issuance Costs, Net | $ (10,260) |
Fixed Rate Debt |  |
Debt Instrument [Line Items] |  |
Debt outstanding | $ 1,270,578 |
Ratio (as percent) | 92.00% |
Weighted Average Interest Rate (as percent) | 3.70% |
Weighted average maturity (in years) | 5 years 2 months 12 days |
Variable Rate Debt |  |
Debt Instrument [Line Items] |  |
Debt outstanding | $ 54,930 |
Ratio (as percent) | 8.00% |
Weighted Average Interest Rate (as percent) | 1.71% |
Weighted average maturity (in years) | 1 year 10 months 24 days |
Floating Rate Debt Hedged | Variable rate debt |  |
Debt Instrument [Line Items] |  |
Debt outstanding | $ 250,000 |
Weighted average maturity (in years) | 2 years |

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