Consolidated Balance Sheets (Parentheticals) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Assets:
Deferred leasing costs, accumulated amortization	$ 143,111	$ 151,698
Prepaid expenses and other assets, accumulated amortization	$ 21,408	$ 21,154
Equity/Capital:
Preferred Stock, par value (in dollars per share)	$ 0.01	$ 0.01
Preferred Stock, authorized shares (in shares)	50,000,000	50,000,000
Preferred Stock, liquidation preference (in dollars per share)	$ 1,000	$ 1,000
Preferred Stock, shares issued (in shares)	28,821	28,826
Preferred Stock, shares outstanding (in shares)	28,821	28,826
Common Stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common Stock, authorized shares (in shares)	200,000,000	200,000,000
Common Stock, shares issued (in shares)	104,892,780	103,921,546
Common Stock, shares outstanding (in shares)	104,892,780	103,921,546
Highwoods Realty Limited Partnership [Member]
Assets:
Deferred leasing costs, accumulated amortization	$ 143,111	$ 151,698
Prepaid expenses and other assets, accumulated amortization	$ 21,408	$ 21,154
Redeemable Operating Partnership Units:
Redeemable Common Units, outstanding (in shares)	2,504,805	2,838,725
Preferred Units liquidation preference (in dollars per share)	$ 1,000	$ 1,000
Series A Preferred Units, issued (in shares)	28,821	28,826
Series A Preferred Units, outstanding (in shares)	28,821	28,826
Common Units:
General partners' capital account, units outstanding (in shares)	1,069,888	1,063,515
Limited partners' capital account, units outstanding (in shares)	103,414,083	102,449,222