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Acquisitions - Level 3 Assumptions Utilized in Determining Value of Acquired Assets (Details) - 2019 Operating Property Acquisitions - Valuation, Income Approach | 12 Months Ended
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Dec. 31, 2019 $ / ft²
Net rental rate per square foot - Anchors | Minimum |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
Net rental rate per square foot (in dollars per share) | 11.00
Net rental rate per square foot - Anchors | Maximum |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
Net rental rate per square foot (in dollars per share) | 12.96
Net rental rate per square foot - Small Shops | Minimum |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
Net rental rate per square foot (in dollars per share) | 6.33
Net rental rate per square foot - Small Shops | Maximum |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
Net rental rate per square foot (in dollars per share) | 32.00
Discount rate | Minimum |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
Net rental rate per square foot (in dollars per share) | 0.090
Discount rate | Maximum |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
Net rental rate per square foot (in dollars per share) | 0.090

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