Consolidated Statements of Comprehensive Income - USD ($)	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Statement of Comprehensive Income [Abstract]
Net (loss) income	$ (18,178,078)	$ 5,104,818
Unrealized (loss) gain on securities:
Unrealized holding (loss) gain during the period, net of income tax (benefit) expense of ($1,948,072) and $1,078,868	(7,328,473)	2,003,613
Reclassification adjustment for losses (gains) included in net income, net of income tax (benefit) expense of ($192,851) and $892,141	725,488	(1,656,834)
Other comprehensive (loss) income	(6,602,985)	346,779
Comprehensive (loss) income	$ (24,781,063)	$ 5,451,597