CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY (USD $) In Thousands, except Share data, unless otherwise specified	Total	Preferred Stock	Common Stock	Additional Paid-In Capital	Accumulated Other Comprehensive Income (Loss)	Accumulated Deficit and Distributions	Total Shareholders' Equity	Noncontrolling Interests Operating partnership	Noncontrolling Interests Joint venture
Balance at beginning of year at Dec. 31, 2012	$ 473,537	$ 50	$ 462	$ 468,820	$ (528)	$ (31,985)	$ 436,819	$ 36,718
Balance (in shares) at Dec. 31, 2012		5,000,000	46,159,652
Changes in equity
Net proceeds from sale of common stock	148,153		172	147,981			148,153
Net proceeds from sale of common stock (in shares)			17,250,000
Net proceeds from sale of preferred stock	81,951	34		81,917			81,951
Net proceeds from sale of preferred stock (in shares)		3,400,000
Common stock redemption of common units			20	6,547			6,567	(6,567)
Common stock redemption of common units (in shares)			1,974,669
Contribution by noncontrolling interests in joint venture	7,500								7,500
Dividends paid	(10,245)					(9,879)	(9,879)	(366)
Equity-based compensation	421		3	418			421
Equity-based compensation (in shares)			293,704
Other comprehensive income (loss)	107				102		102	5
Net income (loss)	1,883					1,948	1,948	(28)	(37)
Balance at end of year at Mar. 31, 2013	703,307	84	657	705,683	(426)	(39,916)	666,082	29,762	7,463
Balance (in shares) at Mar. 31, 2013		8,400,000	65,678,025
Balance at beginning of year at Dec. 31, 2013		84	854
Balance (in shares) at Dec. 31, 2013		8,400,000	85,402,408
Changes in equity
Common stock redemption of common units (in shares)			126,155
Balance at end of year at Jan. 02, 2014
Balance at beginning of year at Dec. 31, 2013	822,378	84	854	882,858	(1,379)	(72,577)	809,840	4,722	7,816
Balance (in shares) at Dec. 31, 2013		8,400,000	85,402,408
Changes in equity
Common stock redemption of common units			1	26			27	(27)
Common stock redemption of common units (in shares)			126,155
Common units issued for acquisition	3,685							3,685
Dividends paid	(13,892)					(13,769)	(13,769)	(123)
Equity-based compensation	467			461			461	6
Other comprehensive income (loss)	(68)				(67)		(67)	(1)
Net income (loss)	3,325					3,458	3,458	(10)	(123)
Balance at end of year at Mar. 31, 2014	$ 815,895	$ 84	$ 855	$ 883,345	$ (1,446)	$ (82,888)	$ 799,950	$ 8,252	$ 7,693
Balance (in shares) at Mar. 31, 2014		8,400,000	85,528,563