DERIVATIVE INSTRUMENTS HEDGING AND NON-HEDGING ACTIVITIES (Details 3) (USD $)	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Interest rate:
Amount of realized gain (loss)	$ (2,830,486)	$ (842,767)
Amount of unrealized appreciation (depreciation)	(1,751,038)	(5,132,327)
Total	(4,581,524)	(5,975,094)
Interest Rate Swaps [Member]
Interest rate:
Amount of realized gain (loss)	(520,922)	(376,314)
Amount of unrealized appreciation (depreciation)	(1,872,674)	(4,229,298)
Total	(2,393,596)	(4,605,612)
Swaptions [Member]
Interest rate:
Amount of realized gain (loss)	(84,000)	(84,000)
Amount of unrealized appreciation (depreciation)	62,450	(680,405)
Total	(21,550)	(764,405)
Futures [Member]
Interest rate:
Amount of realized gain (loss)	(2,225,564)	(191,047)
Amount of unrealized appreciation (depreciation)	59,186	(154,265)
Total	(2,166,378)	(345,312)
TBAs [Member]
Interest rate:
Amount of realized gain (loss)		(191,406)
Amount of unrealized appreciation (depreciation)		(68,359)
Total		$ (259,765)