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Investments In and Advances To Affiliates (Details) (USD $) | 3 Months Ended
--- | ---
Mar. 31, 2012 | Mar. 31, 2011
Income Statements: |  |
Rental and other revenues | $ 24,820,000 | $ 25,217,000
Expenses: |  |
Rental property and other expenses | 11,416,000 | 11,997,000
Depreciation and amortization | 6,565,000 | 6,616,000
Impairment of real estate assets | 7,180,000 | 0
Interest expense | 5,830,000 | 6,007,000
Total expenses | 30,991,000 | 24,620,000
Net income/(loss) | (6,171,000) | 597,000
Our share of: |  |
Depreciation and amortization of real estate assets | 2,098,000 | 2,093,000
Impairment of real estate assets | 1,002,000 | 0
Interest expense | 1,980,000 | 2,161,000
Net income/(loss) | (795,000) | 921,000
Our share of net income/(loss) | (795,000) | 921,000
Purchase accounting and management, leasing and other fees adjustments | 633,000 | 546,000
Equity in earnings/(losses) of unconsolidated affiliates | (162,000) | 1,467,000
Percentage of equity interest in joint ventures, maximum | 50.00% |
Our share of impairment of real estate assets | 1,002,000 | 0
Highwoods DLF 98/29, LLC Joint Venture [Member] |  |
Our share of: |  |
Impairment of real estate assets | 1,000,000 |
Advances to Affiliates loan amount | 38,300,000 |
Loan maturity date | Mar. 31, 2012 |
Current interest rate | LIBOR plus 500 basis points |
Extended loan maturity date | Jun. 30, 2012 |
Interest income from loan to affiliate | 400,000 |
Our share of impairment of real estate assets | $ 1,000,000 |
Number of impaired office properties | 2 |

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