Consolidated Statements of Comprehensive Income (USD $)	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Net income	$ 1,797,153	$ 1,414,446
Other comprehensive loss
Unrealized holding gains (losses)	9,518,544	(2,253,281)
Income tax effect	(3,550,417)	840,474
Net unrealized gains (losses)	5,968,127	(1,412,807)
Total other comprehensive income (loss)	5,968,127	(1,412,807)
Comprehensive income	$ 7,765,280	$ 1,639