DERIVATIVE INSTRUMENTS HEDGING AND NON-HEDGING ACTIVITIES (Details 2) - USD ($)	3 Months Ended			9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015		Sep. 30, 2016	Sep. 30, 2015
Interest rate:
Amount of realized gain (loss)	$ (820,974)	$ (8,262,423)		$ (3,167,877)	$ (12,310,301)
Amount of unrealized appreciation (depreciation)	3,340,600	1,631,907		(7,172,338)	782,901
Total	2,519,626	(6,630,516)		(10,340,215)	(11,527,400)
Interest Rate Swaps [Member]
Interest rate:
Amount of realized gain (loss)		(5,552,898)	[1]		(6,974,491)	[2]
Amount of unrealized appreciation (depreciation)		2,777,551	[1]		1,681,725	[2]
Total		(2,775,347)	[1]		(5,292,766)	[2]
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)	(820,974)	(2,709,525)		(3,167,877)	(5,251,810)
Amount of unrealized appreciation (depreciation)	3,340,600	(1,145,644)		(7,172,338)	(961,274)
Total	$ 2,519,626	$ (3,855,169)		$ (10,340,215)	$ (6,213,084)

[1] In the three month period ended September 30, 2015 net swap interest expense totaled $782,870 comprised of $1,233,249 in interest expense paid (included in realized gain (loss)) and $450,379 in accrued interest income (included in unrealized appreciation (depreciation)).

[2] In the nine month period ended September 30, 2015, net swap interest expense totaled $2,216,417 comprised of $2,654,405 in interest expense paid (included in realized gain (loss)) and $437,988 in accrued interest expense (included in unrealized appreciation (depreciation)).