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Income Taxes (Details) (USD $) | 12 Months Ended
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Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010
Income Tax Disclosure [Line Items] |  |  |
Minimum dividend required to maintain REIT status | $ 1.07 | $ 1.01 | $ 0.32
Tax basis of assets | 2,900,000,000 | 2,700,000,000 |
Tax basis of liabilities | 2,000,000,000 | 2,000,000,000 |
Cumulative taxable loss that taxable REIT subsidiary has operated | 4,700,000 |  |
Deferred tax asset for cumulative tax loss carryforwards | 2,100,000 |  |
Net deferred tax liabilities | 2,200,000 |  |
Reserved amount of net deferred tax asset position of taxable REIT subsidiary |  | 400,000 |
Deferred income tax expense | 100,000 |  |
State income tax expense in rental property and other expenses recorded | 100,000 | 100,000 | 100,000
Highwoods Realty Limited Partnership [Member] |  |  |
Income Tax Disclosure [Line Items] |  |  |
Minimum dividend required to maintain REIT status | 1.07 | 1.01 | 0.32
Tax basis of assets | 2,900,000,000 | 2,700,000,000 |
Tax basis of liabilities | 2,000,000,000 | 2,000,000,000 |
Cumulative taxable loss that taxable REIT subsidiary has operated | 4,700,000 |  |
Deferred tax asset for cumulative tax loss carryforwards | 2,100,000 |  |
Net deferred tax liabilities | 2,200,000 |  |
Reserved amount of net deferred tax asset position of taxable REIT subsidiary |  | 400,000 |
Deferred income tax expense | 100,000 |  |
State income tax expense in rental property and other expenses recorded | $ 100,000 | $ 100,000 | $ 100,000

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- Definition The component of income tax expense for the period representing the increase (decrease) in the entity's deferred tax assets and liabilities pertaining to continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 109 -Paragraph 289 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3602-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 109 -Paragraph 45 -Subparagraph b -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. Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 6.I.7) -URI http://asc.fasb.org/extlink&oid=6889476&loc=d3e330036-122817 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 9 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32639-109319 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 28 -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. Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Deferred Tax Expense (or Benefit) -URI http://asc.fasb.org/extlink&oid=6510177 Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph h -Article 4 Reference 9: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(h)) -URI http://asc.fasb.org/extlink&oid=6881521&loc=d3e23780-122690 Reference 10: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 6 -Section I -Subsection 7 + Details
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