Investments In and Advances To Affiliates (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2024 USD ($) ft²	Dec. 31, 2023 USD ($)	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	$ 21,300	$ 18,900
Gain on deconsolidation of affiliate	0	11,778	$ 0
Gains on disposition of property	46,817	47,773	$ 63,546
Number of joint ventures formed | numberOfJointVentures			2
Repayments of preferred equity from unconsolidated affiliates	0	80,000	$ 0
Additional common equity contribution	$ 153,361	132,609	261,772
Rentable square feet of office property under development (in sq feet) | ft²	1,600,000
Development, management and leasing fees recognized from unconsolidated affiliates	$ 900	$ 1,000	$ 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
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
Equity funded to acquire interest in joint venture	$ 76,200
Construction loan obtained by joint venture	70,900	$ 115,000
Interest rate basis		SOFR
Interest rate, basis spread (in hundredths)		3.94%
Interest rate cap (in hundredths)		3.50%
Amount of borrowings outstanding, subject to swaps	38,800	$ 95,200
Amount of loan funded to affiliate	1,900
Contribution of cash from affiliate	$ 35,500
Consolidated Affiliate:
Term of exercisable right (in years)	2 years
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	$ 94,000
Construction loan obtained by joint venture		$ 265,000
Interest rate basis		SOFR
Interest rate, basis spread (in hundredths)		3.55%
Interest rate cap (in hundredths)		3.50%
Amount of borrowings outstanding, subject to swaps	134,000	$ 83,000
Amount of loan funded to affiliate	$ 94,600
Consolidated Affiliate:
Term of exercisable right (in years)	2 years
M+O JV, LLC [Member]
Unconsolidated Affiliates:
Percentage of equity interest in joint ventures, maximum			50.00%
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		SOFR
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%
Contribution of cash from affiliate	$ 62,100
Consolidated Affiliate:
Principal amount of debt	$ 134,300
Term of exercisable right (in years)	2 years
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	$ 14,200
Interest rate basis	SOFR
Interest rate, basis spread (in hundredths)	4.50%
Amount of loan funded to affiliate	$ 21,400
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
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	SOFR
Interest rate, basis spread (in hundredths)	3.10%
Amount of loan funded to affiliate	$ 48,200
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
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%