Consolidated Statements of Comprehensive Income (Unaudited) - USD ($)	3 Months Ended
Mar. 31, 2018	Mar. 31, 2017
Net income	$ 10,549,961	$ 9,184,965
Other comprehensive income (loss):
Unrealized holding gains (losses) arising during the period before tax	(5,366,113)	598,190
Less reclassification for adoption of ASU 2016-01	666,900
	(4,699,213)	598,190
Unrealized holding gains (losses) arising during the period before tax	150,478	(45,202)
Less reclassification adjustment for ineffectiveness and caplet amortization before tax	(80,515)	(122,813)
	230,993	77,611
Other comprehensive income (loss), before tax	(4,468,220)	675,801
Tax expense (benefit)	(1,266,680)	265,062
Other comprehensive income (loss), net of tax	(3,201,540)	410,739
Comprehensive income	$ 7,348,421	$ 9,595,704

Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

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