Investments In Affiliates (Details) (USD $)	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Income Statements:
Rental and other revenues	$ 12,231,000	$ 12,434,000
Expenses:
Rental property and other expenses	5,667,000	6,217,000
Depreciation and amortization	3,115,000	3,489,000
Interest expense	2,149,000	2,211,000
Total expenses	10,931,000	11,917,000
Income before disposition of property	1,300,000	517,000
Gains on disposition of property	2,127,000	1,949,000
Net income	3,427,000	2,466,000
Percentage of equity interest in joint ventures, maximum (in hundredths)	50.00%
Highwoods DLF 97/26 DLF 99/32, LP Joint Venture [Member]
Expenses:
Gains on disposition of property	2,100,000
Proceeds received from disposition of property	7,000,000
Our share of gains on disposition of property	$ 1,100,000