Description of Business and Significant Accounting Policies (Details) ft² in Millions, $ in Millions	Jun. 30, 2020 USD ($) a ft² shares
Description of Business [Abstract]
Rentable square feet of commercial real estate properties (in sq feet) | ft²	28.1
Rentable square feet of commercial real estate office properties under development (in sq feet) | ft²	1.2
Undeveloped land suitable for future development (in acres) | a	225
Self insurance liability | $	$ 0.5
Deferred rents included in accounts receivable | $	$ 5.0
Highwoods Properties, Inc. [Member]
Description of Business [Abstract]
Common Units of partnership owned by the Company (in shares)	103,500,000
Percentage of ownership of Common Units (in hundredths)	97.30%
Issuance of Common Units in acquisition (in units)	118,592
Highwoods Realty Limited Partnership [Member]
Description of Business [Abstract]
Common Units of partnership not owned by the Company (in shares)	2,800,000