STOCKHOLDERS' EQUITY - Dividends Declared (Details) - USD ($)	3 Months Ended
	Mar. 31, 2017		Dec. 31, 2016	[1]	Mar. 31, 2016
Dividends [Line Items]
Dividend Amount	$ 39,132	[1]	$ 39,132		$ 39,132
Common Stock
Dividends [Line Items]
Dividend Amount	$ 2,630,889
Cash Dividend Per Share (in dollars per share)	$ 0.15
Distribution One | Series A Preferred Stock
Dividends [Line Items]
Declaration Date	Dec. 27, 2016
Record Date	Jan. 17, 2017
Payment Date	Jan. 27, 2017
Dividend Amount	$ 293,503
Cash Dividend Per Share (in dollars per share)	$ 0.1823
Distribution One | Common Stock
Dividends [Line Items]
Declaration Date	Dec. 27, 2016
Record Date	Jan. 17, 2017
Payment Date	Jan. 30, 2017
Dividend Amount	$ 876,963
Cash Dividend Per Share (in dollars per share)	$ 0.05000
Distribution Two | Series A Preferred Stock
Dividends [Line Items]
Declaration Date	Dec. 27, 2016
Record Date	Feb. 15, 2017
Payment Date	Feb. 27, 2017
Dividend Amount	$ 293,503
Cash Dividend Per Share (in dollars per share)	$ 0.1823
Distribution Two | Common Stock
Dividends [Line Items]
Declaration Date	Dec. 27, 2016
Record Date	Feb. 15, 2017
Payment Date	Feb. 27, 2017
Dividend Amount	$ 876,963
Cash Dividend Per Share (in dollars per share)	$ 0.05000
Distribution Three | Series A Preferred Stock
Dividends [Line Items]
Declaration Date	Dec. 27, 2016
Record Date	Mar. 15, 2017
Payment Date	Mar. 27, 2017
Dividend Amount	$ 293,503
Cash Dividend Per Share (in dollars per share)	$ 0.1823
Distribution Three | Common Stock
Dividends [Line Items]
Declaration Date	Dec. 27, 2016
Record Date	Mar. 15, 2017
Payment Date	Mar. 30, 2017
Dividend Amount	$ 876,963
Cash Dividend Per Share (in dollars per share)	$ 0.05000

[1] Our consolidated balance sheets include assets and liabilities of consolidated variable interest entities ("VIEs") as the Company is the primary beneficiary of these VIEs. As of March 31, 2017 and December 31, 2016, assets of consolidated VIEs totaled $1,352,801,814 and $1,369,120,941 respectively, and the liabilities of consolidated VIEs totaled $1,327,153,665 and $1,344,404,080 respectively