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Subsequent Events (Details)
$ / shares in Units, $ in Millions
3 Months Ended
Apr. 18, 2019
$ / shares
Apr. 12, 2019
USD ($)
property
Mar. 31, 2019
$ / shares
Mar. 31, 2018
$ / shares
2019 Dispositions [Member] | Subsequent Event [Member]        
Subsequent Event [Line Items]        
Number of buildings sold | property   2    
Purchase price of real estate | $   $ 32.5    
Gains on disposition of property | $   $ 6.7    
Highwoods Properties, Inc. [Member]        
Subsequent Event [Line Items]        
Dividends declared per Common Share (in dollars per share) | $ / shares     $ 0.475 $ 0.4625
Dividend Declared [Member] | Highwoods Properties, Inc. [Member] | Subsequent Event [Member]        
Subsequent Event [Line Items]        
Dividends declared per Common Share (in dollars per share) | $ / shares $ 0.4750