Consolidated Statements of Equity/Capital (Parentheticals) - $ / shares	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Highwoods Properties, Inc. [Member]
Dividends on Common Stock (per share)	$ 0.475	$ 0.4625
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
Highwoods Realty Limited Partnership [Member]
Distributions on Common Units (per unit)	0.475	0.4625
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