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Investments in and Advances to Unconsolidated Affiliates - Fund Investments - Additional Information (Details) $ in Thousands | 3 Months Ended
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Mar. 31, 2022 USD ($) Property | Mar. 31, 2021 USD ($)
Schedule of Equity Method Investments [Line Items] |  |
Number of retail properties | Property | 188 |
Proceeds from the disposition of properties and other investments, net | $ 116,619 | $ 15,703
La Frontera Village |  |
Schedule of Equity Method Investments [Line Items] |  |
Purchase Price | 81,400 |
Fund V | Bridge Loan |  |
Schedule of Equity Method Investments [Line Items] |  |
Long-term line of credit, noncurrent | 52,000 |
Fund V Acquisition One |  |
Schedule of Equity Method Investments [Line Items] |  |
Purchase Price | 26,500 |
Fund V Acquisition Two |  |
Schedule of Equity Method Investments [Line Items] |  |
Purchase Price | 15,300 |
Wood Ridge Plaza |  |
Schedule of Equity Method Investments [Line Items] |  |
Purchase Price | 49,300 |
Mortgage Loan | 36,600 |
Mortgage Loan Funded at Closing | 32,300 |
Self Storage Management |  |
Schedule of Equity Method Investments [Line Items] |  |
Proceeds from the disposition of properties and other investments, net | 6,000 |
Gains (Losses) on Sales of Investment Real Estate | $ 1,500 |

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