DERIVATIVE INSTRUMENTS HEDGING AND NON-HEDGING ACTIVITIES (Details 2) - USD ($)		3 Months Ended
		Mar. 31, 2016	Mar. 31, 2015
Interest rate:
Amount of realized gain (loss)		$ (1,585,541)	$ (2,830,486)
Amount of unrealized appreciation (depreciation)		(8,462,400)	(1,751,038)
Total		(10,047,941)	(4,581,524)
Interest Rate Swaps [Member]
Interest rate:
Amount of realized gain (loss)	[1]		(520,922)
Amount of unrealized appreciation (depreciation)	[1]		(1,872,674)
Total	[1]		(2,393,596)
Swaptions [Member]
Interest rate:
Amount of realized gain (loss)			(84,000)
Amount of unrealized appreciation (depreciation)			62,450
Total			(21,550)
Futures [Member]
Interest rate:
Amount of realized gain (loss)		(1,585,541)	(2,225,564)
Amount of unrealized appreciation (depreciation)		(8,462,400)	59,186
Total		$ (10,047,941)	$ (2,166,378)

[1] In the three month period ended March 31, 2015 net swap interest expense totaled $712,406 comprised of $520,922 in interest expense paid (included in realized gain (loss)) and $191,484 in accrued interest expense (included in unrealized appreciation (depreciation)).