Consolidated Statements of Income - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Rental and other revenues	$ 195,495	$ 181,043	$ 564,802	$ 556,996
Operating expenses:
Rental property and other expenses	60,567	56,892	172,982	174,213
Depreciation and amortization	66,547	60,303	189,423	180,914
Impairments of real estate assets	0	0	0	1,778
General and administrative	10,350	9,155	30,409	30,169
Total operating expenses	137,464	126,350	392,814	387,074
Interest expense	21,986	19,886	60,755	61,003
Other income/(loss)	424	(3,311)	1,068	(2,654)
Gains on disposition of property	38,572	10,012	80,371	163,397
Equity in earnings of unconsolidated affiliates	546	823	1,614	2,965
Net income	75,587	42,331	194,286	272,627
Net (income) attributable to noncontrolling interests in the Operating Partnership	(1,967)	(1,107)	(5,084)	(7,084)
Net (income) attributable to noncontrolling interests in consolidated affiliates	(894)	(298)	(1,469)	(872)
Dividends on Preferred Stock	(621)	(622)	(1,864)	(1,866)
Net income available for common stockholders	$ 72,105	$ 40,304	$ 185,869	$ 262,805
Earnings per Common Share – basic:
Net income available for common stockholders (in dollars per share)	$ 0.69	$ 0.39	$ 1.79	$ 2.53
Weighted average Common Shares outstanding - basic (in shares)	104,277	103,896	104,117	103,865
Earnings per Common Share - diluted:
Net income available for common stockholders (in dollars per share)	$ 0.69	$ 0.39	$ 1.79	$ 2.53
Weighted average Common Shares outstanding - diluted (in shares)	107,139	106,740	106,972	106,702
Highwoods Realty Limited Partnership [Member]
Rental and other revenues	$ 195,495	$ 181,043	$ 564,802	$ 556,996
Operating expenses:
Rental property and other expenses	60,567	56,892	172,982	174,213
Depreciation and amortization	66,547	60,303	189,423	180,914
Impairments of real estate assets	0	0	0	1,778
General and administrative	10,350	9,155	30,409	30,169
Total operating expenses	137,464	126,350	392,814	387,074
Interest expense	21,986	19,886	60,755	61,003
Other income/(loss)	424	(3,311)	1,068	(2,654)
Gains on disposition of property	38,572	10,012	80,371	163,397
Equity in earnings of unconsolidated affiliates	546	823	1,614	2,965
Net income	75,587	42,331	194,286	272,627
Net (income) attributable to noncontrolling interests in consolidated affiliates	(894)	(298)	(1,469)	(872)
Distributions on Preferred Units	(621)	(622)	(1,864)	(1,866)
Net income available for common unitholders	$ 74,072	$ 41,411	$ 190,953	$ 269,889
Earnings per Common Unit - basic:
Net income available for common unitholders (in dollars per share)	$ 0.69	$ 0.39	$ 1.79	$ 2.54
Weighted average Common Units outstanding - basic (in shares)	106,705	106,329	106,546	106,283
Earnings per Common Unit - diluted:
Net income available for common unitholders (in dollars per share)	$ 0.69	$ 0.39	$ 1.79	$ 2.54
Weighted average Common Units outstanding - diluted (in shares)	106,730	106,331	106,563	106,293