CONDENSED CONSOLIDATED STATEMENT OF CHANGES IN EQUITY (DEFICIT) (USD $) In Thousands	Total	Series A Cumulative Redeemable Preferred Stock [Member]	Common Stock [Member]	Additional Common and Preferred Paid-in Capital [Member]	Accumulated Deficit and Distributions [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Total Stockholders Equity [Member]	Noncontrolling Interests [Member]
Balance at Dec. 31, 2012	$ 344,902	$ 23	$ 386	$ 377,180	$ (37,047)	$ (58)	$ 340,484	$ 4,418
Net proceeds of sale of common stock	299,701	0	255	299,446	0	0	299,701	0
Issuance of restricted stock	0	0	4	(4)	0	0	0	0
Amortization of restricted stock awards and operating partnership units	2,351	0	0	1,883	0	0	1,883	468
Dividends on preferred stock	(3,450)	0	0	0	(3,450)	0	(3,450)
Dividends on common stock	(31,922)	0	0	0	(31,922)	0	(31,922)	0
Dividends to noncontrolling interests	(215)	0	0	0	0	0	0	(215)
Change in fair value of interest rate derivatives	59	0	0	0	0	58	58	1
Foreign currency translation	88	0	0	0	0	88	88	0
Net income	10,960	0	0	0	10,909	0	10,909	51
Balance at Sep. 30, 2013	$ 622,474	$ 23	$ 645	$ 678,505	$ (61,510)	$ 88	$ 617,751	$ 4,723