Number of real estate properties sold during the period.

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- Definition

The number of residential units with development rights.

+ References

No definition available.

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- Definition

Cash received from the condemnation of land during the period.

+ References

No definition available.

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- Definition

Area of a real estate property.

+ References

No definition available.

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- Definition

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

+ References

No definition available.

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- Definition

Gross amount of debt extinguished.

+ References

No definition available.

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- Definition

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.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=109226691&loc=d3e2941-110230

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 45
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=109226348&loc=d3e2443-110228

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- Definition

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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- Definition

Cash received from the sale of real estate that is held for investment, that is, it is part of an investing activity during the period.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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-Topic 230
-SubTopic 10
-Section 45
-Paragraph 12
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3179-108585

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Dispositions - Summary of Dispositions (Details) $ in Thousands												3 Months Ended	12 Months Ended
	Jun. 28, 2019 USD ($) ft²	Mar. 08, 2019 USD ($) ft²	Dec. 28, 2018 USD ($) ft²	May 31, 2018 USD ($) ft²	Apr. 19, 2018 USD ($) ft²	Mar. 28, 2018 USD ($) ft²	Mar. 21, 2018 USD ($) ft²	Mar. 20, 2018 USD ($) ft²	Mar. 07, 2018 USD ($) ft²	Feb. 15, 2018 USD ($) ft²	Jan. 19, 2018 USD ($) ft²	Sep. 30, 2018 USD ($)	Dec. 31, 2019 USD ($) ft² unit	Dec. 31, 2018 USD ($) ft² unit	Dec. 31, 2017 USD ($) ft² property
Dispositions [Line Items]
Aggregate proceeds, net													$ 44,656	$ 197,887	$ 896,456
Gain													$ 18,872	37,211	$ 337,975
Number of properties sold \| property															47
Edwards Multiplex - Fresno
Dispositions [Line Items]
Square footage \| ft²		94,600
Consideration		$ 25,850
Aggregate proceeds, net		21,605
Gain		$ 8,449
North Rivers Towne Center
Dispositions [Line Items]
Square footage \| ft²	141,500
Consideration	$ 18,900
Aggregate proceeds, net	17,989
Gain	$ 6,881
2019 dispositions
Dispositions [Line Items]
Square footage \| ft²													236,100
Consideration													$ 44,750
Aggregate proceeds, net													39,594
Gain													15,330
One Loudoun Downtown - Land
Dispositions [Line Items]
Aggregate proceeds, net													5,062	1,789
Gain													$ 3,542	$ 1,285
Number of residential units with development rights \| unit													22	8
Crown Theater
Dispositions [Line Items]
Square footage \| ft²											74,200
Consideration											$ 6,900
Aggregate proceeds, net											6,350
Gain											$ 2,952
Cranberry Square
Dispositions [Line Items]
Square footage \| ft²										195,200
Consideration										$ 23,500
Aggregate proceeds, net										23,163
Gain										$ 10,174
Rite Aid Store (Eckerd) - Crossville, TN
Dispositions [Line Items]
Square footage \| ft²									13,800
Consideration									$ 1,800
Aggregate proceeds, net									1,768
Gain									$ 157
Home Depot Plaza
Dispositions [Line Items]
Square footage \| ft²								135,600
Consideration								$ 16,250
Aggregate proceeds, net								15,873
Gain								0
Mortgages payable repaid								$ 10,750
Governor's Marketplace
Dispositions [Line Items]
Square footage \| ft²							243,100
Consideration							$ 23,500
Aggregate proceeds, net							22,400
Gain							$ 8,836					$ 1,407
Stony Creek I & Stony Creek II
Dispositions [Line Items]
Square footage \| ft²						204,800
Consideration						$ 32,800
Aggregate proceeds, net						32,078
Gain						$ 11,628
CVS Pharmacy - Lawton, OK
Dispositions [Line Items]
Square footage \| ft²					10,900
Consideration					$ 1,600
Aggregate proceeds, net					1,596
Gain					$ 0
Schaumburg Towers
Dispositions [Line Items]
Square footage \| ft²				895,400
Consideration				$ 86,600
Aggregate proceeds, net				73,315
Gain				$ 0
Orange Plaza (Golfland Plaza)
Dispositions [Line Items]
Square footage \| ft²			58,200
Consideration			$ 8,450
Aggregate proceeds, net			7,566
Gain			$ 0
2018 dispositions
Dispositions [Line Items]
Square footage \| ft²														1,831,200
Consideration														$ 201,400
Aggregate proceeds, net														184,109
Gain														33,747
Condemnation proceeds														169
Circle East, air rights
Dispositions [Line Items]
Aggregate proceeds, net														11,820
Gain														$ 2,179
2017 dispositions
Dispositions [Line Items]
Square footage \| ft²															5,810,700
Consideration															$ 917,808
Mortgages payable repaid															$ 241,858