EARNINGS PER SHARE (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Net income (loss)	$ (1,305,037)	$ 5,034,027	$ (2,402,042)	$ 6,917,362
Less dividends paid:
Common stock	4,417,425	5,518,406	15,457,238	12,710,344
Unvested share-based payment awards	880,509	880,509	2,631,744	1,997,004
Dividends	5,297,934	6,398,915	18,088,982	14,707,348
Undistributed earnings (deficit)	$ (6,602,971)	$ (1,364,888)	(20,491,024)	$ (7,789,986)
Common Stock [Member]
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Net income (loss)			0
Less dividends paid:
Common stock			$ 0
Distributed earnings (in dollars per share)	$ 0.3	$ 0.37	$ 1.05	$ 1.1
Undistributed earnings (deficit) (in dollars per share)	(0.45)	(0.09)	(1.39)	(0.67)
Effect of dilutive securities:
Total (in dollars per share)	(0.15)	0.28	(0.34)	0.43
Unvested Share Based Payment Awards [Member]
Less dividends paid:
Distributed earnings (in dollars per share)	0.3	0.37	1.05	1.1
Undistributed earnings (deficit) (in dollars per share)	(0.45)	(0.09)	(1.39)	(0.67)
Effect of dilutive securities:
Total (in dollars per share)	$ (0.15)	$ 0.28	$ (0.34)	$ 0.43