Consolidated Statements of Equity (USD $) In Thousands, except Share data, unless otherwise specified	Total	Predecessor	Common Shares	Additional Paid-in Capital	Accumulated dividends in excess of net income	Noncontrolling Interests - Unitholders in the Operating Partnership	Noncontrolling Interests - Unitholders in the Operating Partnership Predecessor
Beginning Balance at Dec. 31, 2010	$ 155,121	$ 121,874	$ 0	$ 0	$ 0	$ 0	$ 33,247
Beginning Balance (in shares) at Dec. 31, 2010			0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	19,324	16,995			3,399	1,388	(2,458)
Distributions	(39,960)	(33,435)					(6,525)
Common shares issued (in shares)			31,625,000
Common shares issued	588,011		316	587,695
Cash paid to non-accredited investors	(6,075)						(6,075)
Issuance of restricted stock (in shares)			630,663
Issuance of restricted stock			6	(6)
Forfeiture of restricted stock (in shares)			(1,951)
Issuance of common shares and units for acquisition of properties (in shares)			262,486
Issuance of common shares and units for acquisition of properties	33,854		3	6,081		27,770
Proceeds from private placement	5,410					5,410
Notes receivable from affiliate settled in common units	(21,797)					(21,797)
Notes payable to affiliates settled in common units	828					828
Dividends declared and paid	(46,123)				(31,406)	(14,717)
Stock-based compensation	2,615			2,615
Distribution of investment in joint venture not acquired	(11,480)	(9,084)					(2,396)
Exchange of owners' equity for common stock and units, Shares			6,767,598
Exchange of owners' equity for common stock and units		(96,350)	68	57,260		54,815	(15,793)
Ending Balance at Dec. 31, 2011	679,728	0	393	653,645	(28,007)	53,697	0
Ending Balance (in shares) at Dec. 31, 2011			39,283,796
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	51,601				35,467	16,134
Conversion of operating partnership units (in shares)			372,654
Conversion of operating partnership units			4	7,092		(7,096)
Issuance of restricted stock (in shares)			10,015
Forfeiture of restricted stock (in shares)			(2,253)
Issuance of common shares and units for acquisition of properties	0
Dividends declared and paid	(48,452)				(33,085)	(15,367)
Stock-based compensation	2,852			2,852
Ending Balance at Dec. 31, 2012	685,729	0	397	663,589	(25,625)	47,368	0
Ending Balance (in shares) at Dec. 31, 2012	39,664,212		39,664,212
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	22,594				15,756	6,838
Conversion of operating partnership units (in shares)			106,326
Conversion of operating partnership units	0		1	859		(860)
Common shares issued (in shares)			741,452
Common shares issued	24,910		7	24,903
Issuance of restricted stock (in shares)			5,004
Issuance of restricted stock			0
Forfeiture of restricted stock (in shares)			(4,431)
Forfeiture of restricted stock			0
Issuance of common shares and units for acquisition of properties	0
Dividends declared and paid	(49,500)				(34,221)	(15,279)
Stock-based compensation	2,845			2,845
Ending Balance at Dec. 31, 2013	$ 686,578	$ 0	$ 405	$ 692,196	$ (44,090)	$ 38,067	$ 0
Ending Balance (in shares) at Dec. 31, 2013	40,512,563		40,512,563