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Properties Held for Sale and Property Dispositions | 6 Months Ended
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Jun. 30, 2018
Discontinued Operations and Disposal Groups [Abstract] |
Properties Held for Sale and Property Dispositions | Properties Held for Sale and Property Dispositions Properties Held for Sale As of June 30, 2018, 1-6 International Drive and 2 Herald Square were classified as held for sale. We closed on the sale of 1-6 International Drive in July 2018. Property Dispositions The following table summarizes the properties sold during the six months ended June 30, 2018:
Property |  | Disposition Date |  | Property Type |  | Approximate Square Feet |  | Sales Price(1) (in millions) |  | Gain (loss)(2) (in millions)
600 Lexington Avenue |  | January 2018 |  | Fee Interest |  | 303,515 |  |  | $ | 305.0 |  |  | $ | 23.8 |
115-117 Stevens Avenue |  | May 2018 |  | Fee Interest |  | 178,000 |  |  | 12.0 |  |  | (0.7 | )
635 Madison Avenue |  | June 2018 |  | Fee Interest |  | 176,530 |  |  | 153.0 |  |  | (14.1 | )
(1) | Sales price represents the gross sales price for a property or the gross asset valuation for interests in a property.
(2) | Gain (loss) on sale amounts do not include adjustments for expenses recorded in subsequent periods.

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- Definition The entire disclosure related to a disposal group. Includes, but is not limited to, a discontinued operation, disposal classified as held-for-sale or disposed of by means other than sale or disposal of an individually significant component. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -URI http://asc.fasb.org/topic&trid=2155823 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -URI http://asc.fasb.org/subtopic&trid=2122178 + Details
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