Consolidated Statements of Comprehensive Income (Unaudited) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Net income	$ 7,853,935	$ 6,107,501	$ 25,804,917	$ 19,157,457
Unrealized holding gains arising during the period before tax	289,086	3,682,514	2,057,586	10,628,032
Less reclassification adjustment for gains (losses) included in net income before tax	(63,588)	4,251,773	(25,124)	4,628,283
	352,674	(569,259)	2,082,710	5,999,749
Unrealized holding losses arising during the period before tax	(8,446)	(49,573)	(186,000)	(634,791)
Less reclassification adjustment for ineffectiveness and caplet amortization before tax	(95,361)	(33,246)	(354,813)	(82,281)
	86,915	(16,327)	168,813	(552,510)
Other comprehensive income (loss), before tax	439,589	(585,586)	2,251,523	5,447,239
Tax expense (benefit)	165,012	(224,402)	864,468	2,102,379
Other comprehensive income (loss), net of tax	274,577	(361,184)	1,387,055	3,344,860
Comprehensive income	$ 8,128,512	$ 5,746,317	$ 27,191,972	$ 22,502,317