CONSOLIDATED STATEMENT OF STOCKHOLDERS' EQUITY (Parenthetical) (Accumulated Other Comprehensive Income (Loss), USD $)	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Accumulated Other Comprehensive Income (Loss)
Dividends and distributions declared, per share	$ 1.60	$ 2.04	$ 2.02