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Subsequent Events (Details) - Highwoods Properties, Inc. [Member] - $ / shares
3 Months Ended 9 Months Ended
Oct. 17, 2019
Sep. 30, 2019
Sep. 30, 2018
Sep. 30, 2019
Sep. 30, 2018
Subsequent Event [Line Items]          
Dividends declared per Common Share (in dollars per share0   $ 0.475 $ 0.4625 $ 1.425 $ 1.3875
Dividend Declared [Member] | Subsequent Event [Member]          
Subsequent Event [Line Items]          
Dividends declared per Common Share (in dollars per share0 $ 0.475