Subsequent Events	12 Months Ended
Dec. 31, 2012
Subsequent Events	16. Subsequent Events From January 1, 2013 to February 28, 2013, we sold one industrial property and one land parcel for approximately $2,565. Additionally, we acquired one land parcel for a purchase price of $6,250, excluding costs incurred in conjunction with the acquisition. From January 1, 2013 to February 28, 2013, we repurchased and retired $4,000 of our senior unsecured notes maturing in 2028 for a payment of $4,565. The Board of Directors approved a first quarter 2013 common dividend of $0.085 per share/unit for shareholders of record on March 29, 2013 with a payable date of April 15, 2013. The effective record date will be March 28, 2013 as March 29, 2013 is a New York Stock Exchange holiday. The Board of Directors also approved a first quarter 2013 preferred dividend of $0.45313 per depositary share related to both the Series J and the Series K Preferred Stock for preferred stockholders of record on March 15, 2013, a first quarter 2013 preferred dividend of $13.3125 per depositary share related to the Series F Preferred Stock for preferred stockholders of record on March 29, 2013 and a first quarter 2013 preferred dividend of $36.18 per depositary share related to the Series G Preferred Stock for preferred stockholders of record on March 29, 2013. All first quarter 2013 preferred dividends are payable on April 1, 2013.

Subsequent Events

12 Months Ended

Dec. 31, 2012

16. Subsequent Events

From January 1, 2013 to February 28, 2013, we sold one industrial property and one land parcel for approximately $2,565. Additionally, we acquired one land parcel for a purchase price of $6,250, excluding costs incurred in conjunction with the acquisition.

From January 1, 2013 to February 28, 2013, we repurchased and retired $4,000 of our senior unsecured notes maturing in 2028 for a payment of $4,565.

The Board of Directors approved a first quarter 2013 common dividend of $0.085 per share/unit for shareholders of record on March 29, 2013 with a payable date of April 15, 2013. The effective record date will be March 28, 2013 as March 29, 2013 is a New York Stock Exchange holiday. The Board of Directors also approved a first quarter 2013 preferred dividend of $0.45313 per depositary share related to both the Series J and the Series K Preferred Stock for preferred stockholders of record on March 15, 2013, a first quarter 2013 preferred dividend of $13.3125 per depositary share related to the Series F Preferred Stock for preferred stockholders of record on March 29, 2013 and a first quarter 2013 preferred dividend of $36.18 per depositary share related to the Series G Preferred Stock for preferred stockholders of record on March 29, 2013. All first quarter 2013 preferred dividends are payable on April 1, 2013.