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Investment in Unconsolidated Joint Ventures (Details) (USD $) | 3 Months Ended | 9 Months Ended | 12 Months Ended | 1 Months Ended
--- | --- | --- | --- | ---
Sep. 30, 2014 item | Sep. 30, 2013 | Sep. 30, 2014 item | Sep. 30, 2013 | Dec. 31, 2013 item | Apr. 30, 2013 Unconsolidated JV in Plano, Texas
Investment in Unconsolidated Joint Ventures |  |  |  |  |  |
Number of unconsolidated joint ventures |  |  | 5 |  | 5 |
Number of properties owned and operated by each unconsolidated joint venture | 1 |  | 1 |  | 1 |
Investment in unconsolidated joint ventures | $ 4,874,000 |  | $ 4,874,000 |  | $ 4,906,000 |
Gain on the sale of a tenant-in-common property |  |  |  | 2,807,000 |  |
Equity in earnings of unconsolidated joint ventures | 134,000 | 122,000 | 397,000 | 513,000 |  |
Investment in Unconsolidated Joint Ventures |  |  |  |  |  |
Ownership percentage in variable interest entity |  |  |  |  |  | 90.00%
Gain on sale of equity interest in the joint venture |  |  |  |  |  | $ 1,898,000

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- Definition The net realized gain (loss) on investments sold during the period, not including gains (losses) on securities separately or otherwise categorized as trading, available-for-sale, or held-to-maturity, which, for cash flow reporting, is a component of proceeds from investing activities. + References Reference 1: 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=31042434&loc=d3e3602-108585 + 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 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 9 -Article 5 Reference 3: 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=35755396&loc=d3e33749-111570 Reference 4: 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=26872669&loc=d3e20235-122688 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 11 -Article 7 + Details
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