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Fair Value Measurements - Long-Lived Assets Measured at Fair Value (Details) | 1 Months Ended | 2 Months Ended | 10 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
Jul. 31, 2021 USD ($) | Dec. 31, 2021 USD ($) | Oct. 31, 2021 USD ($) Mall | Dec. 31, 2022 USD ($) | Dec. 31, 2020 USD ($) Community_center Mall
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |  |  |
Loss on impairment |  | $ 0 | $ 146,781,000 | $ 252,000 | $ 213,358,000
Number of malls with impairment | Mall |  |  | 5 |  | 6
Long-lived assets |  |  | $ 120,290,000 |  |
Number of community center with impairment | Community_center |  |  |  |  | 1
Fair Value |  |  | 120,290,000 |  |
Significant Unobservable Inputs (Level 3) |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |  |  |
Long-lived assets |  |  | 120,290,000 |  |
Fair Value |  |  | 120,290,000 |  |
Malls |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |  |  |
Loss on impairment |  |  | 146,781,000 |  | $ 213,358,000
Long-lived assets |  |  | 120,290,000 |  | 268,830,000
Fair Value |  |  | 120,290,000 |  | 268,830,000
Eastland Mall | Malls |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |  |  |
Loss on impairment |  |  | 13,243,000 |  |
Long-lived assets |  |  | 10,700,000 |  |
Fair Value |  |  | 10,700,000 |  |
Old Hickory Mall | Malls |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |  |  |
Loss on impairment |  |  | 20,149,000 |  |
Long-lived assets |  |  | 12,400,000 |  |
Fair Value |  |  | $ 12,400,000 |  |
Old Hickory Mall | Malls | Measurement Input, Expected Term |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |  |  |
Holding period |  |  | 9 years |  |
Old Hickory Mall | Malls | Cap Rate (as a percent) |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |  |  |
Fair value measurement input (as a percent) |  |  | 13.0 |  |
Old Hickory Mall | Malls | Discount Rate (as a percent) |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |  |  |
Fair value measurement input (as a percent) |  |  | 14.0 |  |
Stroud Mall | Malls |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |  |  |
Loss on impairment |  |  | $ 23,790,000 |  |
Long-lived assets |  |  | 15,400,000 |  |
Fair Value |  |  | $ 15,400,000 |  |
Stroud Mall | Malls | Measurement Input, Expected Term |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |  |  |
Holding period |  |  | 9 years |  |
Stroud Mall | Malls | Cap Rate (as a percent) |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |  |  |
Fair value measurement input (as a percent) |  |  | 11.75 |  |
Stroud Mall | Malls | Discount Rate (as a percent) |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |  |  |
Fair value measurement input (as a percent) |  |  | 12.5 |  |
The Landing at Arbor Place - Outparcel |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |  |  |
Proceeds from sale of real estate | $ 590,000 |  |  |  |
The Landing at Arbor Place - Outparcel | All Other |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |  |  |
Loss on impairment |  |  | $ 1,682,000 |  |
Long-lived assets |  |  | 590,000 |  |
Fair Value |  |  | 590,000 |  |
Laurel Park Place | Malls |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |  |  |
Loss on impairment |  |  | 14,267,000 |  |
Long-lived assets |  |  | 9,800,000 |  |
Fair Value |  |  | $ 9,800,000 |  |
Laurel Park Place | Malls | Measurement Input, Expected Term |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |  |  |
Holding period |  |  | 9 years |  |
Laurel Park Place | Malls | Cap Rate (as a percent) |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |  |  |
Fair value measurement input (as a percent) |  |  | 11.5 |  |
Laurel Park Place | Malls | Discount Rate (as a percent) |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |  |  |
Fair value measurement input (as a percent) |  |  | 13.0 |  |
Parkdale Mall & Crossing | Malls |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |  |  |
Long-lived assets |  |  | $ 50,500,000 |  |
Fair Value |  |  | $ 50,500,000 |  |
Parkdale Mall & Crossing | Malls | Measurement Input, Expected Term |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |  |  |
Holding period |  |  | 10 years |  |
Parkdale Mall & Crossing | Malls | Cap Rate (as a percent) |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |  |  |
Fair value measurement input (as a percent) |  |  | 12.3 |  |
Parkdale Mall & Crossing | Malls | Discount Rate (as a percent) |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |  |  |
Fair value measurement input (as a percent) |  |  | 14.2 |  |
Parkdale Mall & Crossing | Malls/All Other |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |  |  |
Loss on impairment |  |  | $ 47,211,000 |  |
Long-lived assets |  |  | 50,500,000 |  |
Fair Value |  |  | 50,500,000 |  |
The Outlet Shoppes at Gettysburg | Malls |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |  |  |
Loss on impairment |  |  | 21,470,000 |  |
Long-lived assets |  |  | 16,660,000 |  |
Fair Value |  |  | $ 16,660,000 |  |
The Outlet Shoppes at Gettysburg | Malls | Measurement Input, Expected Term |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |  |  |
Holding period |  |  | 9 years |  |
The Outlet Shoppes at Gettysburg | Malls | Cap Rate (as a percent) |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |  |  |
Fair value measurement input (as a percent) |  |  | 11.0 |  |
The Outlet Shoppes at Gettysburg | Malls | Discount Rate (as a percent) |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |  |  |
Fair value measurement input (as a percent) |  |  | 12.0 |  |
Vacant land | All Other |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |  |  |
Long-lived assets |  |  | $ 4,240,000 |  |
Assets book value |  |  | 4,240,000 |  |
Fair Value |  |  | 4,240,000 |  |
Burnsville Center | Malls |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |  |  |
Loss on impairment |  |  |  |  | 26,562,000
Long-lived assets |  |  | 10,700,000 |  | 47,300,000
Fair Value |  |  | $ 10,700,000 |  | $ 47,300,000
Burnsville Center | Malls | Measurement Input, Expected Term |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |  |  |
Holding period |  |  | 9 years |  | 10 years
Burnsville Center | Malls | Cap Rate (as a percent) |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |  |  |
Fair value measurement input (as a percent) |  |  | 14.0 |  | 14.5
Burnsville Center | Malls | Discount Rate (as a percent) |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |  |  |
Fair value measurement input (as a percent) |  |  | 15.0 |  | 15.5
Monroeville Mall | Malls |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |  |  |
Loss on impairment |  |  |  |  | $ 107,082,000
Long-lived assets |  |  |  |  | 67,000,000
Fair Value |  |  |  |  | $ 67,000,000
Monroeville Mall | Malls | Measurement Input, Expected Term |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |  |  |
Holding period |  |  |  |  | 10 years
Monroeville Mall | Malls | Cap Rate (as a percent) |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |  |  |
Fair value measurement input (as a percent) |  |  |  |  | 14.0
Monroeville Mall | Malls | Discount Rate (as a percent) |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |  |  |
Fair value measurement input (as a percent) |  |  |  |  | 14.5
Asheville Mall | Malls |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |  |  |
Loss on impairment |  |  |  |  | $ 13,274,000
Long-lived assets |  |  |  |  | 52,600,000
Fair Value |  |  |  |  | $ 52,600,000
Asheville Mall | Malls | Measurement Input, Expected Term |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |  |  |
Holding period |  |  |  |  | 10 years
Asheville Mall | Malls | Cap Rate (as a percent) |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |  |  |
Fair value measurement input (as a percent) |  |  |  |  | 13.25
Asheville Mall | Malls | Discount Rate (as a percent) |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |  |  |
Fair value measurement input (as a percent) |  |  |  |  | 14.0
Vacant Land | Malls |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |  |  |
Loss on impairment |  |  |  |  | $ 46,000
Long-lived assets |  |  |  |  |
Fair Value |  |  |  |  |
Vacant Land | All Other |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |  |  |
Loss on impairment |  |  | $ 4,969,000 |  |
Long-lived assets |  |  | 4,240,000 |  |
Fair Value |  |  | 4,240,000 |  |
EastGate Mall | Malls |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |  |  |
Loss on impairment |  |  |  |  | 5,980,000
Long-lived assets |  |  |  |  | 16,530,000
Fair Value |  |  |  |  | $ 16,530,000
EastGate Mall | Malls | Measurement Input, Expected Term |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |  |  |
Holding period |  |  |  |  | 10 years
EastGate Mall | Malls | Cap Rate (as a percent) |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |  |  |
Fair value measurement input (as a percent) |  |  |  |  | 17.0
EastGate Mall | Malls | Discount Rate (as a percent) |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |  |  |
Fair value measurement input (as a percent) |  |  |  |  | 18.0
Greenbrier Mall |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |  |  |
Long-lived assets |  |  |  | 0 |
Fair Value |  |  |  | 0 |
Greenbrier Mall | Malls |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |  |  |
Loss on impairment |  |  |  |  | $ 8,923,000
Long-lived assets |  |  |  |  | 42,500,000
Fair Value |  |  |  |  | $ 42,500,000
Greenbrier Mall | Malls | Measurement Input, Expected Term |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |  |  |
Holding period |  |  |  |  | 10 years
Greenbrier Mall | Malls | Cap Rate (as a percent) |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |  |  |
Fair value measurement input (as a percent) |  |  |  |  | 12.5
Greenbrier Mall | Malls | Discount Rate (as a percent) |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |  |  |
Fair value measurement input (as a percent) |  |  |  |  | 13.0
The Outlet Shoppes at Laredo | Malls |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |  |  |
Loss on impairment |  |  |  |  | $ 51,491,000
Long-lived assets |  |  |  |  | 42,900,000
Fair Value |  |  |  |  | $ 42,900,000
The Outlet Shoppes at Laredo | Malls | Measurement Input, Expected Term |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |  |  |
Holding period |  |  |  |  | 10 years
The Outlet Shoppes at Laredo | Malls | Cap Rate (as a percent) |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |  |  |
Fair value measurement input (as a percent) |  |  |  |  | 8.5
The Outlet Shoppes at Laredo | Malls | Discount Rate (as a percent) |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |  |  |
Fair value measurement input (as a percent) |  |  |  |  | 9.0
Outparcel at Pavilion at Port Orange |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |  |  |
Proceeds from sale of real estate |  |  |  | 1,660,000 |
Loss from sales of real estate assets |  |  |  | $ (252,000) |
Asheville Mall and Park Plaza |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |  |  |
Long-lived assets |  |  | 0 |  |
Fair Value |  |  | $ 0 |  |

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