AVAILABLE-FOR-SALE SECURITIES (Details 6) - USD ($)	6 Months Ended	12 Months Ended
	Jun. 30, 2015	Dec. 31, 2014
Schedule of Available-for-sale Securities [Line Items]
Designated credit reserve, Beginning Balance	$ (12,697,796)	$ (16,126,355)
Designated credit reserve, Acquisitions	0	0
Designated credit reserve, Dispositions	24,994,386	559,860
Designated credit reserve, Accretion of net discount	0	0
Designated credit reserve, Realized gain on paydowns	0	0
Designated credit reserve, Realized credit losses	6,024,520	2,868,699
Designated credit reserve, Addition to credit reserves	(2,319,014)
Designated credit reserve, Release of credit reserves	2,319,568	0
Designated credit reserve, Ending balance	(18,305,657)	(12,697,796)
Unamortized net discount, Beginning balance	(17,454,022)	(22,400,380)
Unamortized net discount, Acquisitions	(22,597,930)	(2,361,186)
Unamortized net discount, Dispositions	9,143,622	1,667,828
Unamortized net discount, Accretion of net discount	7,795,422	4,760,729
Unamortized net discount, Realized gain on paydowns	132,716	223,212
Unamortized net discount, Realized credit losses	(2,890,939)	0
Unamortized net discount, Addition to credit reserves	2,151,230
Unamortized net discount, Realized credit losses	(2,319,568)	655,775
Unamortized net discount, Ending balance	(73,131,428)	(17,454,022)
Beginning Balance, Total	(113,871,097)	(38,526,735)
Acquisitions, Total	(22,597,930)	(2,361,186)
Dispositions, Total	34,138,008	2,227,688
Accretion of net discount, Total	7,795,422	4,760,729
Realized gain on paydowns, Total	132,716	223,212
Realized credit losses, Total	3,133,581	2,868,699
Addition to credit reserves Total	(167,784)
Release of credit reserves, Total	0	655,775
Ending balance, Total	$ (91,437,084)	$ (113,871,097)