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ACQUISITION AND DISPOSITION OF REAL ESTATE AND DISCONTINUED OPERATIONS Discontinued Operations (Details) (USD $) In Thousands, unless otherwise specified | 9 Months Ended | 12 Months Ended | 1 Months Ended
--- | --- | --- | ---
Sep. 30, 2012 | Sep. 30, 2011 | Dec. 31, 2011 Assets | Aug. 31, 2012 Westport, Connecticut 125 Main Street, Westport | Jun. 30, 2012 Westchester, New York Tarrytown Centre sqft
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |
Sales Price | $ 44,703 | $ 43,791 | $ 65,000 | $ 33,500 | $ 12,800
Square Footage of Real Estate Property (in square feet) |  |  |  |  | 35,000
Number of Assets Sold (in assets) |  |  | 18 |  |

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- Definition Cash received from the sale of real estate that is held for investment, that is, it is part of an investing activity during the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 16 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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 12 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3179-108585 + Details
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- Definition The amount of square footage related to a real estate property. + References No definition available. + Details
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