EARNINGS PER SHARE - Earnings per Share (Details) - USD ($)	1 Months Ended	3 Months Ended		12 Months Ended
	Dec. 27, 2016	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Net income (loss)				$ 4,706,961	$ (7,989,955)	$ 450,479
Less dividends paid:
Common stock				11,904,005	29,898,918	19,874,663
Preferred stock				3,522,036	3,522,036	3,522,036
Dividends	$ 19,384,684			15,426,041	33,420,954	23,396,699
Undistributed earnings				$ (10,719,080)	$ (41,410,909)	$ (22,946,220)
Adjustment to calculation of diluted earnings per share for warrants (in shares)		0	0
Common Stock
Less dividends paid:
Distributed earnings (in dollars per share)				$ 0.60	$ 2.04	$ 1.35
Undistributed earnings (deficit) (in dollars per share)				(0.54)	(2.83)	(1.56)
Total (in dollars per share)				0.06	(0.79)	(0.21)
Unvested Share Based Payment Awards
Less dividends paid:
Distributed earnings (in dollars per share)				0.60	2.04	1.35
Undistributed earnings (deficit) (in dollars per share)				(0.54)	(2.83)	(1.56)
Total (in dollars per share)				$ 0.06	$ (0.79)	$ (0.21)