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Investment in Unconsolidated Joint Ventures (Details) (USD $) | 1 Months Ended | 3 Months Ended | 9 Months Ended |
--- | --- | --- | --- | ---
Feb. 29, 2012 | Sep. 30, 2012 property | Sep. 30, 2011 | Sep. 30, 2012 item property | Sep. 30, 2011 | Dec. 31, 2011
Investment in Unconsolidated Joint Ventures |  |  |  |  |  |
Ownership percentage in variable interest entity | 90.00% |  |  |  |  |
Gain from contribution of property to joint venture |  |  |  | $ 319,000 |  |
Number of unconsolidated joint ventures |  |  |  | 6 |  |
Number of properties owned and operated by each unconsolidated joint venture |  | 1 |  | 1 |  |
Investment in unconsolidated joint ventures |  | 17,312,000 |  | 17,312,000 |  | 5,093,000
Equity in earnings of unconsolidated joint ventures |  | 121,000 | 105,000 | 575,000 | 241,000 |
Equity share of income pertaining to the net settlement entered into with a former tenant |  |  |  | 233,000 |  |
Unconsolidated JV in Plano, Texas |  |  |  |  |  |
Investment in Unconsolidated Joint Ventures |  |  |  |  |  |
Area of site (in acres) | 6.2 |  |  |  |  |
Maximum number of Class A office buildings after re-development | 2 |  |  |  |  |
Ownership percentage in variable interest entity | 90.00% |  |  |  |  |
Gain from contribution of property to joint venture | 319,000 |  |  |  |  |
Amount of maximum exposure to loss |  | 12,116,000 |  | 12,116,000 |  |
Unconsolidated JV in Plano, Texas | Trammell Crow Company |  |  |  |  |  |
Investment in Unconsolidated Joint Ventures |  |  |  |  |  |
Ownership percentage in variable interest entity | 10.00% |  |  |  |  |
Amount contributed by non-controlling owner | 1,500,000 |  |  |  |  |

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- Definition The difference between the carrying value and the sale price of real estate or properties that were intended to be sold or held for capital appreciation or rental income. This element refers to the gain (loss) included in earnings and not to the cash proceeds of the sale. This element is a noncash adjustment to net income when calculating net cash generated by operating activities using the indirect method. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3602-108585 Reference 2: 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. + Details
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- Definition This item represents the entity's proportionate share for the period of the net income (loss) of its investee (such as unconsolidated subsidiaries and joint ventures) to which the equity method of accounting is applied. This item includes income or expense related to stock-based compensation based on the investor's grant of stock to employees of an equity method investee. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.12) -URI http://asc.fasb.org/extlink&oid=6880815&loc=d3e20235-122688 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 SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 9 -Article 5 Reference 4: 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 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 11 -Article 7 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=16385135&loc=d3e33749-111570 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Principles Board Opinion (APB) -Number 18 -Paragraph 6 -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 8: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Principles Board Opinion (APB) -Number 18 -Paragraph 19 -Subparagraph c -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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