Consolidated Statements of Comprehensive Income - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Net income	$ 10,445,385	$ 8,766,017	$ 20,995,346	$ 17,950,982
Other comprehensive income (loss):
Unrealized holding gains (losses) arising during the period before tax	(1,512,488)	1,170,310	(6,878,601)	1,768,500
Less reclassification adjustment for gains (losses) included in net income before tax		38,464		38,464
Unrealized gains (losses) on securities available for sale	(1,512,488)	1,131,846	(6,023,562)	1,730,036
Unrealized holding gains (losses) arising during the period before tax	(322,937)	(132,352)	(172,459)	(177,554)
Less reclassification adjustment for ineffectiveness and caplet amortization before tax	177,688	(136,639)	97,173	(259,452)
Unrealized gains (losses) on securities available for sale	(500,625)	4,287	(269,632)	81,898
Other comprehensive income (loss), before tax	(2,013,113)	1,136,133	(6,293,194)	1,811,934
Tax expense (benefit)	(678,492)	434,394	(1,757,033)	699,456
Other comprehensive income (loss), net of tax	(1,334,621)	701,739	(4,536,161)	1,112,478
Comprehensive income	$ 9,110,764	$ 9,467,756	16,459,185	$ 19,063,460
ASU 2016-01
Other comprehensive income (loss):
Less reclassification adjustment for adoption of ASU 2016-01			$ 855,039