Investments In and Advances To Affiliates (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2022 USD ($) ft² numberOfJointVentures	Dec. 31, 2021 USD ($) ft²	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($) 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	$ 2,700	$ 600
Number of joint ventures formed | numberOfJointVentures	2
Rentable square feet of office property under development (in sq feet) | ft²	1,600,000
Development, management and leasing fees recognized from unconsolidated affiliates	$ 600	1,600	$ 1,000
Consolidated Affiliates:
Rentable square feet of office property under development (in sq feet) | ft²	1,600,000
Gains on disposition of property	$ 63,546	$ 174,059	$ 215,897
Ownership Percentage [Member]
Consolidated Affiliates:
Partner's interest in consolidated joint venture (in hundredths)	50.00%
HRLP MTW, LLC [Member]
Unconsolidated Affiliates:
Total anticipated development costs				$ 71,300
Interest rate, basis spread (in hundredths)				2.50%
Amount of loan funded to affiliate	$ 39,200
Rentable square feet of office property under development (in sq feet) | ft²				152,000
Partner's contribution of property to acquire interest in joint venture				$ 5,000
Contribution of cash to acquire interest in joint venture				20,000
Advance to affiliate				$ 46,300
Consolidated Affiliates:
Rentable square feet of office property under development (in sq feet) | ft²				152,000
Total anticipated development costs				$ 71,300
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
Interest rate, basis spread (in hundredths)				2.50%
Amount of loan funded to affiliate	$ 39,200
Term of exercisable right (in years)	2 years
HRLP MTW, LLC [Member] | Ownership Percentage [Member]
Consolidated Affiliates:
Partner's interest in consolidated joint venture (in hundredths)	20.00%			20.00%
London Interbank Offered Rate (LIBOR) [Member] | HRLP MTW, LLC [Member]
Unconsolidated Affiliates:
Interest rate basis				LIBOR
Consolidated Affiliates:
Interest rate basis				LIBOR
Granite Park Six JV, LLC [Member]
Unconsolidated Affiliates:
Percentage of equity interest in joint ventures, maximum	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	15,300
Consolidated Affiliates:
Total anticipated development costs	$ 200,000
Interest rate, basis spread (in hundredths)	3.94%
Amount of loan funded to affiliate	$ 15,300
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
Consolidated Affiliates:
Interest rate basis	SOFR
GPI 23 Springs JV, LLC [Member]
Unconsolidated Affiliates:
Percentage of equity interest in joint ventures, maximum	50.00%
Total anticipated development costs	$ 460,000
Equity funded to acquire interest in joint venture	41,900
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 Affiliates:
Total anticipated development costs	$ 460,000
Interest rate, basis spread (in hundredths)	3.55%
Amount of loan funded to affiliate	$ 0
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
Consolidated 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
Equity funded to acquire interest in joint venture	$ 86,400
Interest rate, basis spread (in hundredths)	3.50%
Near-term building improvements	$ 1,700
Transaction costs	2,000
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 short-term preferred equity	$ 80,000
Consolidated Affiliates:
Total anticipated development costs	$ 394,700
Interest rate, basis spread (in hundredths)	3.50%
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
Consolidated 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	$ 300
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 Affiliates:
Rentable square feet of office property under development (in sq feet) | ft²	143,000
Total anticipated development costs	$ 83,000
Advance to affiliate	$ 52,300
Interest rate, basis spread (in hundredths)	4.50%
Amount of loan funded to affiliate	$ 0
Midtown East Tampa, LLC [Member] | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member]
Unconsolidated Affiliates:
Interest rate basis	SOFR
Consolidated 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)		3.00%
Amount of loan funded to affiliate	$ 4,000
Rentable square feet of office property under development (in sq feet) | ft²		135,000
Partner's contribution of property to acquire interest in joint venture		$ 7,700
Contribution of cash to acquire interest in joint venture		13,300
Contribution of cash from affiliate		$ 5,600
Partner's percentage of equity interest in joint venture (in hundredths)		50.00%
Advance to affiliate		$ 49,600
Term of optional extension		1 year
Consolidated Affiliates:
Rentable square feet of office property under development (in sq feet) | ft²		135,000
Total anticipated development costs		$ 79,000
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		$ 49,600
Interest rate, basis spread (in hundredths)		3.00%
Amount of loan funded to affiliate	$ 4,000
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
Consolidated 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%
Highwoods-Markel Associates, LLC Joint Venture [Member]
Consolidated Affiliates:
Percentage of equity interest in consolidated affiliates	50.00%
Fair value of noncontrolling interests in consolidated affiliate	$ 34,400
Sales price of disposition		$ 3,000
Gains on disposition of property		$ 1,300