Consolidated Statements of Comprehensive Income (Unaudited) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Net income	$ 6,676,467	$ (523,818)	$ 13,049,956	$ 3,654,071
Unrealized holding gains (losses) arising during the period before tax	2,081,800	(3,954,857)	6,945,518	443,347
Less reclassification adjustment for gains included in net income before tax	18,030		376,510	416,933
	2,063,770	(3,954,857)	6,569,008	26,414
Unrealized holding gains (losses) arising during the period before tax	(159,691)	119,433	(549,627)	(252,950)
Less reclassification adjustment for ineffectiveness and caplet amortization before tax	20,154	9,561	35,591	10,463
	(179,845)	109,872	(585,218)	(263,413)
Other comprehensive income (loss), before tax	1,883,925	(3,844,985)	5,983,790	(236,999)
Tax expense (benefit)	703,292	(1,466,064)	2,277,746	(78,943)
Other comprehensive income (loss), net of tax	1,180,633	(2,378,921)	3,706,044	(158,056)
Comprehensive income (loss)	7,857,100	(2,902,739)	16,756,000	3,496,015
Other comprehensive income (loss):
Unrealized holding gains (losses) arising during the period before tax	2,081,800	(3,954,857)	6,945,518	443,347
Less reclassification adjustment for gains included in net income before tax	18,030		376,510	416,933
	2,063,770	(3,954,857)	6,569,008	26,414
Unrealized holding gains (losses) arising during the period before tax	(159,691)	119,433	(549,627)	(252,950)
Less reclassification adjustment for ineffectiveness and caplet amortization before tax	20,154	9,561	35,591	10,463
	(179,845)	109,872	(585,218)	(263,413)
Other comprehensive income (loss), before tax	1,883,925	(3,844,985)	5,983,790	(236,999)
Tax expense (benefit)	703,292	(1,466,064)	2,277,746	(78,943)
Other comprehensive income (loss), net of tax	1,180,633	(2,378,921)	3,706,044	(158,056)
Comprehensive income (loss)	$ 7,857,100	$ (2,902,739)	$ 16,756,000	$ 3,496,015