Consolidated Statements Of Equity (Parenthetical) (USD $)	6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012
Dividends and Distributions declared:
Common Stock, Dividends declared (in dollars per share)	$ 0.12	$ 0.12
Common Units, Distributions declared (in dollars per share)	$ 0.12	$ 0.12