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Marketable Securities | 6 Months Ended
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Jun. 30, 2013
Marketable Securities [Abstract] |
Marketable Securities [Text Block] | 5. Marketable Securities As of June 30, 2013, we own 535,265 common shares of The Macerich Company (NYSE: MAC) (“Macerich”), which we re received in connection with the sale of Kings Plaza to Macerich. These shares have an economic cost of $56.05 per share, or $30,000,000 in the aggregate. As of June 30, 2013, these shares have a fair value of $3 2,635,000, based on Macerich's closing share price of $6 0.97 per share. These shares are included in “marketable securities” on our consolidated balance sheets and are classified as available-for-sale. Available-for-sale securities are presented at fair value. Unrealized gains and losses resulting from the mark-to-market of these securities are included in “other comprehensive income.” The three and six months ended June 30, 2013 include an unrealized loss of $1,825,000 and an unrealized gain of $1,429,000, respectively, from the mark-to-market of these securities.

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