DERIVATIVE INSTRUMENTS HEDGING AND NON-HEDGING ACTIVITIES (Details 4) - USD ($)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Derivative [Line Items]
Designated credit reserve, Beginning balance	$ (29,857,597)	$ (12,929,231)
Designated credit reserve, Acquisitions	(19,384,939)	(37,793,143)	$ (13,934,657)
Designated credit reserve, Dispositions	9,468,964
Designated credit reserve, Accretion of net discount	0	0	0
Designated credit reserve, Realized credit losses	3,146,144	3,087,184	1,005,426
Designated credit reserve, Release of credit reserves	0	4,848,362
Designated credit reserve, Ending balance	(36,627,428)	(29,857,597)	(12,929,231)
Unamortized net discount, Beginning balance	(30,770,386)	(6,721,749)
Unamortized net discount, Acquisitions	(47,651,628)	(29,569,939)	(7,592,017)
Unamortized net discount, Dispositions	15,465,093
Unamortized net discount, Accretion of net discount	12,122,919	3,647,915	870,268
Unamortized net discount, Realized credit losses	0	0	0
Unamortized net discount, Release of credit reserves	3,741,935	(4,848,362)
Unamortized net discount, Ending balance	(47,092,067)	(30,770,386)	(6,721,749)
Beginning balance, Total	(60,627,983)	(19,650,980)
Acquisitions, Total	(67,036,567)	(67,363,082)	(21,526,674)
Dispositions, Total	24,934,057
Accretion of net discount, Total	12,122,919	3,647,915	870,268
Realized credit losses, Total	3,146,144	3,087,184	1,005,426
Release of credit reserves, Total	3,741,935	0
Ending balance, Total	$ (83,719,495)	$ (60,627,983)	$ (19,650,980)