AVAILABLE-FOR-SALE SECURITIES (Details 3) - USD ($)	Sep. 30, 2016	Dec. 31, 2015
Schedule of Available-for-sale Securities [Line Items]
Less than 12 months, Estimated Fair Value	$ 140,128,347	$ 348,120,251
Less than 12 months, Gross Unrealized Losses	(364,535)	(5,983,726)
Greater than 12 months, Estimated Fair Value	54,628,380	6,939,257
Greater than 12 months, Gross Unrealized Losses	(4,746,979)	(405,720)
Total, Estimated Fair Value	194,756,727	355,059,508
Total, Gross Unrealized Losses	$ (5,111,514)	$ (6,389,446)