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CONSOLIDATED STATEMENTS OF EQUITY (Parenthetical) (USD $)	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
CONSOLIDATED STATEMENTS OF EQUITY
Restricted stock grants, forfeitures and compensation expense, shares	24,121	12,311
Employee stock purchase program, shares	84,798
Stock option grants, forfeitures, shares	213,534	11,235
Cash dividends reinvested (DRIP) in stock, shares	7,178	2,294,864
Cash distributions declared (in dollars per share)	$ 0.12	$ 0.10

Number of shares issued during the period as a result of an employee stock purchase plan.

Number of shares issued during the period related to Restricted Stock Awards, net of any shares forfeited.

Number of share options (or share units) exercised during the current period.