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Subsequent Events	9 Months Ended
Subsequent Events	Sep. 30, 2015
Subsequent Events [Abstract]
Subsequent Events	Subsequent Events In October 2015, we sold seven properties (13 buildings), with 1,263,809 square feet for $131.2 million in a series of transactions (see Note 4). These properties were classified as held for sale as of September 30, 2015.