CONSOLIDATED STATEMENT OF CHANGES IN EQUITY (USD $) In Thousands	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Accumulated Distributions in Excess of Net Income [Member]	Noncontrolling Interest in Joint Ventures [Member]
BALANCE at Dec. 31, 2010	$ 411,506	$ 3	$ 591,106	$ (182,253)	$ 2,650
Net income	10,517	0	0	10,284	233
Common dividends declared - $1.04 per share	(28,301)	0	0	(28,301)	0
Stock-based compensation, net of forfeitures	1,648	0	1,648	0	0
Issuance of 4,750 shares of common stock, options exercised	103	0	103	0	0
Issuance of 2,860 shares of common stock, dividend reinvestment plan	124	0	124	0	0
Withheld 3,564 shares of common stock to satisfy tax withholding obligations in connection with the vesting of restricted stock	(157)	0	(157)	0	0
Distributions to noncontrolling interest	(174)	0	0	0	(174)
BALANCE at Jun. 30, 2011	$ 395,266	$ 3	$ 592,824	$ (200,270)	$ 2,709