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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

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