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Investments in Unconsolidated Joint Ventures - Narrative (Details) - USD ($) |  |  |  |  | 3 Months Ended | 6 Months Ended
--- | --- | --- | --- | --- | --- | ---
Feb. 02, 2022 | Dec. 31, 2021 | Oct. 26, 2021 | Mar. 29, 2021 | Jun. 30, 2022 | Jun. 30, 2021 | Jun. 30, 2022 | Jun. 30, 2021
Schedule of Equity Method Investments |  |  |  |  |  |  |  |
Impairment loss |  |  |  |  | $ 1,230,000 | $ 8,754,000 | $ 9,858,000 | $ 38,362,000
MS Portfolio LLC |  |  |  |  |  |  |  |
Schedule of Equity Method Investments |  |  |  |  |  |  |  |
Impairment loss |  |  |  |  |  |  | $ 30,426,000 |
Paradise Valley Mall | Joint Venture |  |  |  |  |  |  |  |
Schedule of Equity Method Investments |  |  |  |  |  |  |  |
Ownership percentage (as a percent) |  |  |  | 5.00% |  |  |  |
Payments for joint venture |  |  |  | $ 3,819,000 |  |  |  |
The Shops At Atlas Park | Joint Venture |  |  |  |  |  |  |  |
Schedule of Equity Method Investments |  |  |  |  |  |  |  |
Debt issued |  |  | $ 65,000,000 |  |  |  |  |
The Shops At Atlas Park | Joint Venture | LIBOR |  |  |  |  |  |  |  |
Schedule of Equity Method Investments |  |  |  |  |  |  |  |
Variable interest rate spread (as a percent) |  |  | 4.15% |  |  |  |  |
Interest rate cap (as a percent) |  |  | 3.00% |  |  |  |  |
North Bridge,Chicago Illinois | Joint Venture |  |  |  |  |  |  |  |
Schedule of Equity Method Investments |  |  |  |  |  |  |  |
Loss on Investments |  | $ 28,276,000 |  |  |  |  |  |
Proceeds from divestiture of interest in joint venture |  | $ 21,000,000 |  |  |  |  |  |
FlatIron Crossing | Joint Venture |  |  |  |  |  |  |  |
Schedule of Equity Method Investments |  |  |  |  |  |  |  |
Debt issued | $ 175,000 |  |  |  |  |  |  |
Repayments of debt | $ 197,011,000 |  |  |  |  |  |  |
FlatIron Crossing | Joint Venture | SOFR |  |  |  |  |  |  |  |
Schedule of Equity Method Investments |  |  |  |  |  |  |  |
Variable interest rate spread (as a percent) | 3.70% |  |  |  |  |  |  |
Interest rate cap (as a percent) | 4.00% |  |  |  |  |  |  |

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