Investments In and Advances To Affiliates (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2023 USD ($) ft²	Dec. 31, 2022 USD ($) ft² numberOfJointVentures	Dec. 31, 2021 USD ($) ft²	Dec. 31, 2019 USD ($) ft²
Unconsolidated Affiliates:
Percentage of equity interest in joint ventures, maximum	50.00%
Difference between cost of investments and the net book value of underlying net assets	$ 18,900	$ 2,700
Gain on deconsolidation of affiliate	11,778	0	$ 0
Gains on disposition of property	47,773	$ 63,546	174,059
Number of joint ventures formed | numberOfJointVentures		2
Repayments of preferred equity from unconsolidated affiliates	80,000	$ 0	0
Additional common equity contribution	$ 132,609	261,772	6,079
Rentable square feet of office property under development (in sq feet) | ft²	1,600,000
Development, management and leasing fees recognized from unconsolidated affiliates	$ 1,000	$ 600	1,600
Consolidated Affiliate:
Rentable square feet of office property under development (in sq feet) | ft²	1,600,000
HRLP MTW, LLC [Member]
Unconsolidated Affiliates:
Effective interest rate (in hundredths)	7.29%
Rentable square feet of office property under development (in sq feet) | ft²				152,000
Contribution of cash to acquire interest in joint venture				$ 20,000
Partner's contribution of property to acquire interest in joint venture				5,000
Advance to affiliate				$ 46,300
Consolidated Affiliate:
Rentable square feet of office property under development (in sq feet) | ft²				152,000
Contribution of cash to acquire interest in joint venture				$ 20,000
Percentage of equity interest in consolidated affiliates				80.00%
Partner's contribution of property to acquire interest in joint venture				$ 5,000
Advance to affiliate				$ 46,300
Principal amount of debt	$ 45,000
Term of debt instrument	5 years
Debt issuance costs	$ 800
Term of exercisable right (in years)	2 years
HRLP MTW, LLC [Member] | Ownership Percentage [Member]
Consolidated Affiliate:
Partner's interest in consolidated joint venture (in hundredths)	20.00%			20.00%
Highwoods-Markel Associates, LLC Joint Venture [Member]
Unconsolidated Affiliates:
Percentage of equity interest in joint ventures, maximum	50.00%
Gain on deconsolidation of affiliate	$ 11,800
Sales price of disposition			3,000
Gains on disposition of property			$ 1,300
Granite Park Six JV, LLC [Member]
Unconsolidated Affiliates:
Percentage of equity interest in joint ventures, maximum	50.00%	50.00%
Total anticipated development costs		$ 200,000
Construction loan obtained by joint venture		$ 115,000
Interest rate, basis spread (in hundredths)		3.94%
Interest rate cap (in hundredths)		3.50%
Amount of borrowings outstanding, subject to swaps		$ 95,200
Amount of loan funded to affiliate	$ 54,900
Consolidated Affiliate:
Term of exercisable right (in years)	2 years
Granite Park Six JV, LLC [Member] | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member]
Unconsolidated Affiliates:
Interest rate basis		SOFR
GPI 23 Springs JV, LLC [Member]
Unconsolidated Affiliates:
Percentage of equity interest in joint ventures, maximum	50.00%	50.00%
Total anticipated development costs		$ 460,000
Equity funded to acquire interest in joint venture	$ 75,600
Construction loan obtained by joint venture		$ 265,000
Interest rate, basis spread (in hundredths)		3.55%
Interest rate cap (in hundredths)		3.50%
Amount of borrowings outstanding, subject to swaps		$ 83,000
Amount of loan funded to affiliate	$ 0
Consolidated Affiliate:
Term of exercisable right (in years)	2 years
GPI 23 Springs JV, LLC [Member] | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member]
Unconsolidated Affiliates:
Interest rate basis		SOFR
M+O JV, LLC [Member]
Unconsolidated Affiliates:
Percentage of equity interest in joint ventures, maximum		50.00%
Total anticipated development costs		$ 394,700
Repayments of preferred equity from unconsolidated affiliates		80,000
Equity funded to acquire interest in joint venture		86,400
Additional common equity contribution	$ 40,000
Interest rate, basis spread (in hundredths)	3.50%
Fair value of debt assumed from acquisition		$ 137,000
Stated interest rate (in hundredths)		4.50%
Effective interest rate (in hundredths)		5.30%
Consolidated Affiliate:
Term of exercisable right (in years)	2 years
M+O JV, LLC [Member] | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member]
Unconsolidated Affiliates:
Interest rate basis	SOFR
Midtown East Tampa, LLC [Member]
Unconsolidated Affiliates:
Percentage of equity interest in joint ventures, maximum		50.00%
Total anticipated development costs		$ 83,000
Equity funded to acquire interest in joint venture	$ 13,700
Interest rate, basis spread (in hundredths)	4.50%
Amount of loan funded to affiliate	$ 0
Rentable square feet of office property under development (in sq feet) | ft²		143,000
Total rentable square feet of property under development (in sq feet) | ft²		432,000
Advance to affiliate	52,300
Consolidated Affiliate:
Rentable square feet of office property under development (in sq feet) | ft²		143,000
Advance to affiliate	$ 52,300
Midtown East Tampa, LLC [Member] | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member]
Unconsolidated Affiliates:
Interest rate basis	SOFR
Brand/HRLP 2827 Peachtree LLC [Member]
Unconsolidated Affiliates:
Percentage of equity interest in joint ventures, maximum			50.00%
Total anticipated development costs			$ 79,000
Interest rate, basis spread (in hundredths)	3.10%
Amount of loan funded to affiliate	$ 46,900
Rentable square feet of office property under development (in sq feet) | ft²			135,000
Contribution of cash to acquire interest in joint venture			$ 13,300
Partner's contribution of property to acquire interest in joint venture			7,700
Contribution of cash from affiliate			$ 5,600
Partner's percentage of equity interest in joint venture (in hundredths)			50.00%
Advance to affiliate	$ 52,800
Term of optional extension	1 year
Consolidated Affiliate:
Rentable square feet of office property under development (in sq feet) | ft²			135,000
Contribution of cash to acquire interest in joint venture			$ 13,300
Partner's contribution of property to acquire interest in joint venture			$ 7,700
Advance to affiliate	$ 52,800
Term of exercisable right (in years)	2 years
Brand/HRLP 2827 Peachtree LLC [Member] | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member]
Unconsolidated Affiliates:
Interest rate basis	SOFR
Plaza Colonnade, Tenant-in-Common [Member]
Unconsolidated Affiliates:
Percentage of equity interest in joint ventures, maximum	50.00%
Kessinger/Hunter & Company, LC [Member]
Unconsolidated Affiliates:
Percentage of equity interest in joint ventures, maximum	26.50%