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Subsequent Events	6 Months Ended
Subsequent Events	Jun. 30, 2011
Subsequent Events [Abstract]
Subsequent Events	12. Subsequent Events From July 1, 2011 to August 3, 2011, we sold one industrial property for approximately $3,100. On July 6, 2011, we repurchased and retired $9,395 of our senior unsecured debt maturing in 2028 at par. In connection with the partial retirement, we will recognize approximately $522 as loss on early retirement of debt.