Description of Business and Significant Accounting Policies (Details) $ / shares in Units, $ in Thousands, ft² in Millions	3 Months Ended		6 Months Ended
	Mar. 31, 2022 USD ($) ft² $ / shares shares	Mar. 31, 2021 USD ($)	Jun. 30, 2020 USD ($)
Description of Business [Abstract]
Rentable square feet of commercial real estate properties (in sq feet) | ft²	28.0
Rentable square feet of commercial real estate office properties under development (in sq feet) | ft²	0.6
Rentable square feet of potential office build (in sq feet) | ft²	4.8
Net proceeds of Common Stock sold during the period	$ 4,173	$ (1,198)
Self insurance liability	$ 600
Highwoods Properties, Inc. [Member]
Description of Business [Abstract]
Common Units of partnership owned by the Company (in shares) | shares	104,700,000
Percentage of ownership of Common Units (in hundredths)	97.70%
Highwoods Properties, Inc. [Member] | ATM Equity Offering
Description of Business [Abstract]
Net proceeds of Common Stock sold during the period	$ 6,000
Number of Common Stock sold during the period (in shares) | shares	130,011
Average price of Common Stock sold during the period (in dollars per share) | $ / shares	$ 46.50
Highwoods Properties, Inc. [Member] | ATM Equity Offering | Maximum [Member]
Description of Business [Abstract]
Net proceeds of Common Stock sold during the period			$ 300,000
Highwoods Realty Limited Partnership [Member]
Description of Business [Abstract]
Common Units of partnership not owned by the Company (in shares) | shares	2,500,000