The current amount of expenditures for a real estate project that has not yet been completed.

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Amount of consideration received or receivable for the disposal of assets and liabilities, including discontinued operation.

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- Definition

Amount before tax of gain (loss) recognized on the sale or disposal of a disposal group. Excludes discontinued operations.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
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- Definition

The charge against earnings in the period to reduce the carrying amount of real property to fair value.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Absorption Costs, Weighted Average Useful Life

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- Definition

Number Of Properties Held For Sale

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Real Estate - Narrative (Details) $ in Thousands		3 Months Ended
Real Estate - Narrative (Details) $ in Thousands	Jul. 26, 2021 USD ($) property	Sep. 30, 2021 USD ($) property	Sep. 22, 2021 property	Jun. 30, 2021 USD ($) property	Dec. 31, 2020 USD ($)
Real Estate [Line Items]
Weighted average life for absorption costs		4 months
Properties under development or held for future development		$ 30,254			$ 36,494
Gain (loss) on sale of real estate	$ (11,200)
Real estate impairment		$ 0
Held for sale
Real Estate [Line Items]
Properties under development or held for future development					$ 1,122
Office
Real Estate [Line Items]
Number of properties held for sale \| property	12	12
Office \| Held for sale \| 2021 Properties
Real Estate [Line Items]
Contract sales price				$ 766,000
Retail
Real Estate [Line Items]
Number of properties held for sale \| property		8	8
Retail \| Held for sale
Real Estate [Line Items]
Contract sales price				$ 168,300
Number of properties held for sale \| property				8
Riverside Developments
Real Estate [Line Items]
Properties under development or held for future development		$ 29,400