AVAILABLE-FOR-SALE SECURITIES - OTTI Charges (Details) - USD ($)	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Roll Forward]
Cumulative credit loss at beginning of period	$ (3,074,728)	$ (3,636,432)
Additions:
Initial (increase) in credit reserves	0	(20,994)
Subsequent (increase) in credit reserves	0	0
Initial additional other-than-temporary credit impairment losses	0	0
Subsequent additional other-than-temporary credit impairment losses	0	0
Reductions:
For securities sold decrease in credit reserves	0	0
For securities sold decrease in other-than-temporary impairment	0	0
Cumulative credit (loss) at end of period	$ (3,074,728)	$ (3,657,426)