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Description of Business and Significant Accounting Policies (Details)
$ in Thousands, ft² in Millions
12 Months Ended
Dec. 31, 2016
USD ($)
a
ft²
property
customers
shares
Dec. 31, 2015
USD ($)
property
Dec. 31, 2014
USD ($)
Description of Business [Abstract]      
Rentable square feet of commercial real estate (in square feet) | ft² 31.1    
Rentable square feet of commercial real estate under development (in square feet) | ft² 1.1    
Undeveloped land suitable for future development (in acres) | a 400    
Number of common units required to convert to one share of common stock (in shares) | shares 1    
Number of trading days preceeding Redemption Notice Date (in days) 10 days    
Consolidated in-service office properties not wholly owned (in units) | property 3    
Joint venture partner's interest in unconsolidated affiliate (in hundredths)   80.00%  
Real estate assets, depreciation expense $ 173,072 $ 168,663 $ 154,448
Maturity of highly liquid investments (in months) 3 months    
Percent of annual REIT taxable income required to pay to the Company's stockholders 90.00%    
Customers with leases on wholly owned properties | customers 1,741    
Percent of annualized cash rental revenue derived from geographic locations 10.00%    
Limit of consolidated revenue generated by any single customer 6.00%    
Adjustment interval of variable debt interest rates, mimimum (in months) 1 month    
Adjustment interval of variable debt interest rates, maximum (in months) 3 months    
Debt issuance costs reclassified to contra liability account $ 1,948,047 2,491,813  
Debt issuance costs reclassified to prepaid expenses and other assets $ 40,437 $ 26,649  
Section 1031 Exchange VIE Member      
Description of Business [Abstract]      
Number of office properties acquired | property   3  
VIE total assets   $ 421,300  
VIE total liabilities   16,300  
VIE total cash flows   $ 7,100  
Building [Member]      
Description of Business [Abstract]      
Property, plant and equipment useful life 40 years    
Building Improvements [Member]      
Description of Business [Abstract]      
Property, plant and equipment useful life 15 years    
Furniture and Fixtures [Member] | Minimum [Member]      
Description of Business [Abstract]      
Property, plant and equipment useful life 5 years    
Furniture and Fixtures [Member] | Maximum [Member]      
Description of Business [Abstract]      
Property, plant and equipment useful life 7 years    
Leaseholds and Leasehold Improvements [Member] | Minimum [Member]      
Description of Business [Abstract]      
Property, plant and equipment useful life 3 years    
Leaseholds and Leasehold Improvements [Member] | Maximum [Member]      
Description of Business [Abstract]      
Property, plant and equipment useful life 10 years    
Highwoods Properties, Inc. [Member]      
Description of Business [Abstract]      
Common Units of partnership owned (in shares) | shares 101,300,000    
Percentage of ownership of Common Units 97.30% 97.10%  
Common units redeemed for a like number of common shares of stock (in shares) | shares 61,048    
Highwoods Realty Limited Partnership [Member]      
Description of Business [Abstract]      
Common Units of partnership not owned by the Company (in shares) | shares 2,800,000    
Debt issuance costs reclassified to contra liability account $ 1,948,047 $ 2,491,813  
Debt issuance costs reclassified to prepaid expenses and other assets $ 40,437 26,649  
Accounting Standards Update 2015-03 [Member]      
Description of Business [Abstract]      
Debt issuance costs reclassified to contra liability account   7,800  
Debt issuance costs reclassified to prepaid expenses and other assets   $ 2,100