CONDENSED CONSOLIDATED STATEMENT OF EQUITY (USD $) In Thousands, except Share data, unless otherwise specified	Total	Total Stockholders' Equity	Preferred Stock	Common Shares	Additional Paid-in Capital	Distributions in Excess of Net Income	Noncontrolling Interests
Balance at Dec. 31, 2012	$ 710,773	$ 338,229	$ 115,000	$ 207	$ 259,009	$ (35,987)	$ 372,544
Balance (in shares) at Dec. 31, 2012				21,202,673
Increase (Decrease) in Stockholders' Equity
Issuance of restricted stock awards, net of forfeitures	1	1		1
Issuance of restricted stock awards, net of forfeitures (in shares)				169,482
Exercise of stock options	630	630			630
Exercise of stock options (in shares)				40,277
Offering costs	(27)	(27)			(27)
Amortization of deferred compensation	5,871	5,871			5,871
Dividends declared on preferred stock	(6,253)	(6,253)				(6,253)
Dividends and distributions	(37,876)	(17,334)				(17,334)	(20,542)
Net income	22,583	13,621				13,621	8,962
Balance at Sep. 30, 2013	$ 695,702	$ 334,738	$ 115,000	$ 208	$ 265,483	$ (45,953)	$ 360,964
Balance (in shares) at Sep. 30, 2013				21,412,432