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Disposition of Properties and Assets Held for Sale (Details) |  |  |  |  |  | 3 Months Ended | 9 Months Ended |
--- | --- | --- | --- | --- | --- | --- | --- | ---
Jan. 26, 2024 USD ($) property | Dec. 06, 2023 USD ($) | Oct. 26, 2023 USD ($) | Aug. 09, 2023 USD ($) property | Mar. 10, 2023 USD ($) property | Sep. 30, 2024 USD ($) ft² | Mar. 31, 2024 USD ($) | Sep. 30, 2023 USD ($) ft² | Sep. 30, 2024 USD ($) ft² | Sep. 30, 2023 USD ($) ft² | Dec. 31, 2023 USD ($)
Dispositions of Property |  |  |  |  |  |  |  |  |  |  |
Assets held for sale |  |  |  |  |  | $ 32,926,000 |  |  | $ 32,926,000 |  | $ 73,318,000
Area of property (in square feet) | ft² |  |  |  |  |  | 5,180,158 |  | 6,206,460 | 5,180,158 | 6,206,460 |
Operating results for discontinued operations: |  |  |  |  |  |  |  |  |  |  |
Rental revenue |  |  |  |  |  | $ 1,309,000 |  | $ 7,925,000 | $ 7,001,000 | $ 23,842,000 |
Rental operating expenses |  |  |  |  |  | (643,000) |  | (2,747,000) | (2,799,000) | (7,673,000) |
Real estate taxes and insurance |  |  |  |  |  | 196,000 |  | (1,027,000) | (295,000) | (3,292,000) |
Depreciation and amortization |  |  |  |  |  |  |  | (1,895,000) | (832,000) | (7,916,000) |
Income from dispositions and assets held for sale |  |  |  |  |  | 862,000 |  | 2,256,000 | 3,075,000 | 4,961,000 |
Property in Miami, Florida |  |  |  |  |  |  |  |  |  |  |
Dispositions of Property |  |  |  |  |  |  |  |  |  |  |
Expected sales price |  |  |  |  |  |  |  | 68,000,000.0 |  |  |
Expected loss |  |  |  |  |  |  |  | 19,200,000 |  | 19,200,000 |
Property in Atlanta, Georgia |  |  |  |  |  |  |  |  |  |  |
Dispositions of Property |  |  |  |  |  |  |  |  |  |  |
Sale price |  |  |  |  |  | 34,000,000.0 |  |  |  |  |
Expected sales price |  |  |  |  |  |  |  | 40,000,000.0 |  |  |
Expected loss |  |  |  |  |  |  |  | 20,500,000 |  | $ 20,500,000 |
Increase in expected loss |  |  |  |  |  | 6,600,000 |  |  |  |  |
Assets held for sale |  |  |  |  |  | 32,900,000 |  |  | 32,900,000 |  | 39,000,000.0
Real estate assets |  |  |  |  |  | 52,800,000 |  |  | 52,800,000 |  | 52,200,000
Straight line rents receivable |  |  |  |  |  | 4,400,000 |  |  | $ 4,400,000 |  | $ 2,900,000
Properties in Miami, Florida and Atlanta, Georgia |  |  |  |  |  |  |  |  |  |  |
Dispositions of Property |  |  |  |  |  |  |  |  |  |  |
Impairment charge |  |  |  |  |  |  |  | 39,700,000 |  |  |
Property in Plano, Texas |  |  |  |  |  |  |  |  |  |  |
Dispositions of Property |  |  |  |  |  |  |  |  |  |  |
Sale price |  |  |  |  |  |  |  | 48,000,000.0 |  |  |
Gain (loss) on sale of property |  |  |  |  |  |  |  | 10,600,000 |  |  |
Disposal group disposed of by sale | Office Property in Elk Grove Village, Illinois |  |  |  |  |  |  |  |  |  |  |
Dispositions of Property |  |  |  |  |  |  |  |  |  |  |
Number of properties sold | property |  |  |  |  | 1 |  |  |  |  |  |
Sale price |  |  |  |  | $ 29,100,000 |  |  |  |  |  |
Gain (loss) on sale of property |  |  |  |  | $ 8,400,000 |  |  |  |  |  |
Disposal group disposed of by sale | Office property in Charlotte, North Carolina |  |  |  |  |  |  |  |  |  |  |
Dispositions of Property |  |  |  |  |  |  |  |  |  |  |
Number of properties sold | property |  |  |  | 1 |  |  |  |  |  |  |
Sale price |  |  |  | $ 9,200,000 |  |  |  |  |  |  |
Gain (loss) on sale of property |  |  |  | $ (800,000) |  |  |  |  |  |  |
Disposal group disposed of by sale | Property in Addison, Texas |  |  |  |  |  |  |  |  |  |  |
Dispositions of Property |  |  |  |  |  |  |  |  |  |  |
Gain (loss) on sale of property |  |  |  |  |  |  |  | $ 53,000 |  |  |
Area of property (in square feet) | ft² |  |  |  |  |  |  |  | 7,826 |  | 7,826 |
Disposal group disposed of by sale | Property in Miami, Florida |  |  |  |  |  |  |  |  |  |  |
Dispositions of Property |  |  |  |  |  |  |  |  |  |  |
Gain (loss) on sale of property |  | $ (18,900,000) |  |  |  |  |  |  |  |  |
Disposal group disposed of by sale | Property in Plano, Texas |  |  |  |  |  |  |  |  |  |  |
Dispositions of Property |  |  |  |  |  |  |  |  |  |  |
Gain (loss) on sale of property |  |  | $ 10,600,000 |  |  |  |  |  |  |  |
Disposal group disposed of by sale | Properties In Richardson, Texas |  |  |  |  |  |  |  |  |  |  |
Dispositions of Property |  |  |  |  |  |  |  |  |  |  |
Number of properties sold | property | 1 |  |  |  |  |  |  |  |  |  |
Sale price | $ 35,000,000.0 |  |  |  |  |  |  |  |  |  |
Gain (loss) on sale of property | $ (2,100,000) |  |  |  |  |  |  |  |  |  |
Additional costs related to sale |  |  |  |  |  |  | $ 5,000 |  |  |  |
Disposal group disposed of by sale | Property in Glen Allen, Virginia |  |  |  |  |  |  |  |  |  |  |
Dispositions of Property |  |  |  |  |  |  |  |  |  |  |
Sale price |  |  |  |  |  | 31,000,000.0 |  |  |  |  |
Gain (loss) on sale of property |  |  |  |  |  | (13,200,000) |  |  |  |  |
Repayment of outstanding indebtedness |  |  |  |  |  | $ 25,300,000 |  |  |  |  |
Percentage of proceeds from disposition used for repayment of debt |  |  |  |  |  | 90.00% |  |  | 90.00% |  |
Additional cost on sale of properties |  |  |  |  |  | $ 700,000 |  |  |  |  |

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