DERIVATIVE INSTRUMENTS HEDGING AND NON-HEDGING ACTIVITIES (Details 3) - Linked Repurchase Agreements [Member]	12 Months Ended
	Dec. 31, 2014 USD ($)
Derivative [Line Items]
Designated credit reserve, Beginning balance	$ (29,857,597)
Designated credit reserve, Acquisitions	(19,384,939)
Designated credit reserve, Dispositions	9,468,964
Designated credit reserve, Accretion of net discount	0
Designated credit reserve, Realized credit losses	3,146,144
Designated credit reserve, Release of credit reserves	0
Designated credit reserve, Ending balance	(36,627,428)
Unamortized net discount, Beginning balance	(30,770,386)
Unamortized net discount, Acquisitions	(47,651,628)
Unamortized net discount, Dispositions	15,465,093
Unamortized net discount, Accretion of net discount	12,122,919
Unamortized net discount, Realized credit losses	0
Unamortized net discount, Release of credit reserves	3,741,935
Unamortized net discount, Ending balance	(47,092,067)
Beginning balance, Total	(60,627,983)
Acquisitions, Total	(67,036,567)
Dispositions, Total	24,934,057
Accretion of net discount, Total	12,122,919
Realized credit losses, Total	3,146,144
Release of credit reserves, Total	3,741,935
Ending balance, Total	$ (83,719,495)