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Subsequent Events (Details) $ / shares in Units, $ in Thousands			3 Months Ended
	Apr. 16, 2021 USD ($) ft² propertyUnit numberOfLoans numberOfAssets	Apr. 15, 2021 USD ($) $ / shares	Mar. 31, 2021 USD ($) ft² $ / shares	Mar. 31, 2020 USD ($) $ / shares
Subsequent Event [Line Items]
Loss on debt extinguishment			$ (76)	$ 0
Acquisition rentable square feet (in sq ft) | ft²			27,400,000
Subsequent Event [Member] | PAC Portfolio Acquisition [Member]
Subsequent Event [Line Items]
Number of office properties acquired | propertyUnit	4
Acquisition rentable square feet (in sq ft) | ft²	1,630,000
Number of redevelopment properties acquired | propertyUnit	1
Number of non-core assets acquired | numberOfAssets	2
Acquisition purchase price	$ 769,000
Transaction costs	$ 5,000
Number of loans assumed in acquisition | numberOfLoans	4
Fair value of debt assumed from the acquisition	$ 403,000
Effective interest rate of secured debt assumed from the acquisition	3.70%
Term of debt instrument, in years	10 years 9 months 18 days
Percentage of total investment related to non-core assets	12.00%
Near-term building improvements included in acquisition	$ 28,000
Initial incremental investment amount of acquisition	$ 50,000
Subsequent Event [Member] | 3.20% (3.363% effective rate) Notes due 2021 [Member]
Subsequent Event [Line Items]
Early repayment of debt		$ 150,000
Stated interest rate (in hundredths)		3.20%
Loss on debt extinguishment		$ (100)
Highwoods Properties, Inc. [Member]
Subsequent Event [Line Items]
Dividends on Common Stock (per share) | $ / shares			$ 0.48	$ 0.48
Highwoods Properties, Inc. [Member] | Subsequent Event [Member]
Subsequent Event [Line Items]
Dividends on Common Stock (per share) | $ / shares		$ 0.48

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Amount of direct costs of the business combination including legal, accounting, and other costs incurred to consummate the business acquisition.

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Contractual interest rate for funds borrowed, under the debt agreement.

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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.

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