Consolidated Statements of Equity/Capital (Parentheticals) - $ / shares	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Highwoods Properties, Inc. [Member]
Dividends on Common Stock (per share)	$ 0.50	$ 0.48	$ 1.46	$ 1.44
Highwoods Properties, Inc. [Member] | Series A Cumulative Redeemable Preferred Shares [Member]
Dividends on Preferred Stock (per share)/Distributions on Preferred Units (per unit)	21.5625	21.5625	64.688	64.6875
Highwoods Realty Limited Partnership [Member]
Distributions on Common Units (per unit)	0.50	0.48	1.46	1.44
Highwoods Realty Limited Partnership [Member] | Series A Cumulative Redeemable Preferred Shares [Member]
Dividends on Preferred Stock (per share)/Distributions on Preferred Units (per unit)	$ 21.5625	$ 21.5625	$ 64.688	$ 64.6875