Percentage of partner's interest in asset acquired.

No definition available.

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- Definition

The number of buildings sold.

+ References

No definition available.

+ Details

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- Definition

The maximum percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

+ References

No definition available.

+ Details

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- Definition

The purchase price of real estate before and/or after closing credits to buyer for unfunded tenant improvements, building improvements and/or free rent, if any.

+ References

No definition available.

+ Details

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- Definition

The amount of square footage related to real estate properties.

+ References

No definition available.

+ Details

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- Definition

Aggregate dividends declared during the period for each share of common stock outstanding.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-URI http://asc.fasb.org/extlink&oid=120397183&loc=d3e187085-122770

+ Details

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- Definition

Amount of gain (loss) on sale or disposal of property, plant and equipment assets, excluding oil and gas property and timber property.

+ 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)
-URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3602-108585

Reference 2: 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

Reference 3: 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

+ Details

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- Definition

Amount of acquisition of long-lived, physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

+ References

No definition available.

+ Details

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Subsequent Events (Details) $ / shares in Units, $ in Thousands			1 Months Ended	12 Months Ended
	Feb. 02, 2021 $ / shares	Jan. 15, 2021 USD ($)	Jan. 21, 2021 USD ($) ft² propertyUnit	Dec. 31, 2020 USD ($) ft² $ / shares	Dec. 31, 2019 USD ($) $ / shares	Dec. 31, 2018 USD ($) $ / shares
Subsequent Event [Line Items]
Gains on disposition of property				$ 215,897	$ 39,517	$ 37,638
Rentable square feet of commercial real estate (in square feet) \| ft²				27,200,000
Percentage of equity interest in joint ventures, maximum				50.00%
Highwoods Properties, Inc. [Member]
Subsequent Event [Line Items]
Dividends declared per share of Common Stock (in dollars per share) \| $ / shares				$ 1.92	$ 1.90	$ 1.85
Highwoods Properties, Inc. [Member] \| Subsequent Event [Member]
Subsequent Event [Line Items]
Dividends declared per share of Common Stock (in dollars per share) \| $ / shares	$ 0.48
2021 Dispositions [Member] \| Subsequent Event [Member]
Subsequent Event [Line Items]
Sale price of disposition		$ 30,700
Gains on disposition of property		$ 18,900
Forum Portfolio Acquisition [Member] \| Subsequent Event [Member]
Subsequent Event [Line Items]
Percentage of partner's interest in asset acquired (in hundredths)			75.00%
Number of buildings sold \| propertyUnit			5
Rentable square feet of commercial real estate (in square feet) \| ft²			636,000
Purchase price of acquisition			$ 131,300
Percentage of equity interest in joint ventures, maximum			25.00%