Consolidated Statements of Comprehensive Income - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Statement of Comprehensive Income [Abstract]
Net income	$ 6,465,027	$ 1,938,670	$ 13,319,363	$ 1,304,256
Unrealized (loss) gain on securities:
Unrealized holding (loss) income during the period, net of income tax (benefit) expense	(3,788,805)	4,307,342	(2,980,615)	8,498,393
Reclassification adjustment for gains included in net income, net of income tax expense	(253,799)	(1,342,553)	(934,038)	(1,284,122)
Other comprehensive (loss) income	(4,042,604)	2,964,789	(3,914,653)	7,214,271
Comprehensive income	$ 2,422,423	$ 4,903,459	$ 9,404,710	$ 8,518,527