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Derivative Financial Instruments (Details) (USD $) | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2012 swaps | Sep. 30, 2011 | Sep. 30, 2012 swaps | Sep. 30, 2011 | Dec. 31, 2011
Derivative [Line Items] |  |  |  |  |
Number of derivative instruments obtained | 6 |  | 6 |  |
Term of derivative instruments (in years) |  |  | 7 years |  |
Amount of borrowings outstanding | $ 225,000,000 |  | $ 225,000,000 |  |
Interest rate under derivative instruments | 1.678% |  | 1.678% |  |
Cross-default minimum threshold |  |  | 10,000,000 |  |
Expected increase to interest expense | 3,300,000 |  | 3,300,000 |  |
Derivatives designated as cash flow hedges in accounts payable, accrued expenses and other liabilities [Abstract] |  |  |  |  |
Interest rate swaps | 10,274,000 |  | 10,274,000 |  | 2,202,000
Amount of unrealized losses recognized in AOCL on derivatives (effective portion) [Abstract] |  |  |  |  |
Interest rate swaps | (3,337,000) | 0 | (10,424,000) | 0 |
Amount of (gains)/losses reclassified out of AOCL into contractual interest expense (effective portion) [Abstract] |  |  |  |  |
Interest rate swaps | 791,000 | (30,000) | 2,250,000 | (87,000) |
Highwoods Realty Limited Partnership [Member] |  |  |  |  |
Derivative [Line Items] |  |  |  |  |
Number of derivative instruments obtained | 6 |  | 6 |  |
Term of derivative instruments (in years) |  |  | 7 years |  |
Amount of borrowings outstanding | 225,000,000 |  | 225,000,000 |  |
Interest rate under derivative instruments | 1.678% |  | 1.678% |  |
Cross-default minimum threshold |  |  | 10,000,000 |  |
Expected increase to interest expense | 3,300,000 |  | 3,300,000 |  |
Derivatives designated as cash flow hedges in accounts payable, accrued expenses and other liabilities [Abstract] |  |  |  |  |
Interest rate swaps | 10,274,000 |  | 10,274,000 |  | 2,202,000
Amount of unrealized losses recognized in AOCL on derivatives (effective portion) [Abstract] |  |  |  |  |
Interest rate swaps | (3,337,000) | 0 | (10,424,000) | 0 |
Amount of (gains)/losses reclassified out of AOCL into contractual interest expense (effective portion) [Abstract] |  |  |  |  |
Interest rate swaps | $ 791,000 | $ (30,000) | $ 2,250,000 | $ (87,000) |

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- Definition The minimum amount of any indebtedness or guarantee for which if we fail to make a required payment that we would be in cross-default of our interest rate swaps. + References No definition available. + Details
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- Definition The increases or decreases in the market value of derivative instruments, including options, swaps, futures, and forward contracts, which were included in other comprehensive income. + References No definition available. + Details
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- Definition The amount of net gains or losses on a cash flow hedge reclassified in the period to interest expense from accumulated other comprehensive income. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5624171-113959 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=7668309&loc=d3e80784-113994 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 133 -Paragraph 45 -Subparagraph b(1) -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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- Definition Fair value of the gross liabilities less the gross assets of a derivative liability or group of derivative liabilities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 45 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=6945355&loc=d3e41271-113958 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=7491637&loc=d3e13433-108611 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6945355&loc=d3e41228-113958 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=7491637&loc=d3e13495-108611 + Details
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- Definition Period remaining until the derivative contract matures, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition The estimated net amount of unrealized gains or losses on interest rate cash flow hedges as of the balance sheet date expected to be reclassified to earnings within the next twelve months. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=7668309&loc=d3e80748-113994 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 133 -Paragraph 45 -Subparagraph b(2) -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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- Definition Aggregate notional amount of interest rate derivatives, which relates to the currency amount specified in the interest rate derivative instruments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5579245-113959 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Notional Amount -URI http://asc.fasb.org/extlink&oid=6519104 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1B -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5580258-113959 + Details
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