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Description of Business and Significant Accounting Policies (Details)
$ / shares in Units, $ in Thousands, ft² in Millions
3 Months Ended
Mar. 31, 2017
USD ($)
a
ft²
$ / shares
shares
Mar. 31, 2016
USD ($)
Description of Business and Significant Accounting Policies [Line Items]    
Rentable square feet of commercial real estate properties (in sq feet) | ft² 31.3  
Rentable square feet of commercial real estate properties under development (in sq feet) | ft² 1.2  
Undeveloped land suitable for development (in acres) | a 400  
Net proceeds of Common Stock sold during the period | $ $ 9,134 $ 50,898
Highwoods Properties, Inc. [Member]    
Description of Business and Significant Accounting Policies [Line Items]    
Common Units of partnership owned by the Company (in shares) 101,600,000  
Percentage of ownership of Common Units (in hundredths) 97.30%  
Common Units redeemed for a like number of common shares of stock (in shares) 2,000  
Highwoods Properties, Inc. [Member] | ATM Equity Offering [Member]    
Description of Business and Significant Accounting Policies [Line Items]    
Net proceeds of Common Stock sold during the period | $ $ 9,100  
Number of Common Stock sold during the period (in shares) 186,185  
Average price of Common Stock sold during the period (in dollars per share) | $ / shares $ 49.73  
Highwoods Properties, Inc. [Member] | ATM Equity Offering [Member] | Maximum [Member]    
Description of Business and Significant Accounting Policies [Line Items]    
Net proceeds of Common Stock sold during the period | $ $ 300,000  
Highwoods Realty Limited Partnership [Member]    
Description of Business and Significant Accounting Policies [Line Items]    
Common Units of partnership not owned by the Company (in shares) 2,800,000