CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (USD $)	Common Stock [Member]	Additional Paid-In Capital [Member]	Noncontrolling Interest [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Total
Balance at Dec. 31, 2009	$ 820	$ 147,466,101	$ 3,063,567	$ (10,632,798)	$ (70,806)
Balance (in shares) at Dec. 31, 2009	8,196,074
Issuance of common stock, net of issuance costs	150	31,072,596
Issuance of common stock, net of issuance costs (in shares)	1,495,000
Issuance of restricted stock under the Equity Incentive Plan	9
Issuance of restricted stock under the Equity Incentive Plan (in shares)	88,550
Forfeiture of restricted stock	(3)
Forfeiture of restricted stock (in shares)	(20,610)
Vesting of restricted stock		1,166,656
Dividends and distributions declared			(709,143)	(19,136,249)
Other comprehensive income (loss) - change in fair value of interest rate swap			(24,529)		(693,929)
Net income			561,039	15,066,795		15,627,834
Balance at Dec. 31, 2010	976	179,705,353	2,890,934	(14,702,252)	(764,735)
Balance (in shares) at Dec. 31, 2010	9,759,014
Issuance of restricted stock under the Equity Incentive Plan	10
Issuance of restricted stock under the Equity Incentive Plan (in shares)	105,050
Forfeiture of restricted stock	(1)
Forfeiture of restricted stock (in shares)	(12,150)
Vesting of restricted stock		1,364,280
Dividends and distributions declared			(556,188)	(15,767,384)
Other comprehensive income (loss) - change in fair value of interest rate swap			5,584		158,167
Net income			338,395	9,551,142		9,889,537
Balance at Dec. 31, 2011	985	181,069,633	2,678,725	(20,918,494)	(606,568)	162,224,281
Balance (in shares) at Dec. 31, 2011	9,851,914
Issuance of common stock, net of issuance costs	150	35,042,076
Issuance of common stock, net of issuance costs (in shares)	1,495,000
Issuance of restricted stock under the Equity Incentive Plan	9
Issuance of restricted stock under the Equity Incentive Plan (in shares)	94,850
Forfeiture of restricted stock (in shares)	(5,720)
Vesting of restricted stock		1,657,209
Dividends and distributions declared			(556,188)	(18,297,459)
Other comprehensive income (loss) - change in fair value of interest rate swap			(20,839)		(687,699)
Net income			554,150	18,049,444		18,603,594
Balance at Dec. 31, 2012	$ 1,144	$ 217,768,918	$ 2,655,848	$ (21,166,509)	$ (1,294,267)	$ 197,965,134
Balance (in shares) at Dec. 31, 2012	11,436,044