The difference between the carrying value and the sale price of real estate or properties that were intended to be sold or held for capital appreciation or rental income. This element refers to the gain (loss) included in earnings and not to the cash proceeds of the sale. This element is a noncash adjustment to net income when calculating net cash generated by operating activities using the indirect method.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
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-Section 50
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Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
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-Section 45
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Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 45
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-URI http://asc.fasb.org/extlink&oid=123351718&loc=d3e2443-110228

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Amount of gain (loss) from the difference between the sale price or salvage price and the book value of an asset that was sold or retired, and gain (loss) from the write down of assets from their carrying value to fair value.

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- Definition

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

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
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Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
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-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=109226691&loc=d3e2921-110230

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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.

+ References

No definition available.

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Property, Plant, and Equipment - Schedule of loss on sale or write down of assets (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Property, Plant and Equipment
Loss on write-down of assets	$ 0	$ (2,361)	$ (38,362)	$ (42,971)
Gain (loss) on sale or write down of assets, net	118,566	11,786	93,356	(28,784)
Paradise Valley Mall
Property, Plant and Equipment
Gain on sales	4,229		117,242
Paradise Valley Mall
Property, Plant and Equipment
Loss on write-down of assets				(6,640)
Estrella Falls
Property, Plant and Equipment
Loss on write-down of assets			(27,281)
Wilton Mall
Property, Plant and Equipment
Loss on write-down of assets				(30,063)
Property
Property, Plant and Equipment
Gain on sales	118,471	856	111,805	856
Land
Property, Plant and Equipment
Gain on sales	95	$ 13,291	19,913	$ 13,331
Land \| Paradise Valley Mall
Property, Plant and Equipment
Gain on sales	$ 1,334		$ 1,334