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Unaudited Condensed Consolidated Statements of Comprehensive Income - USD ($) | 3 Months Ended
--- | ---
Mar. 31, 2020 | Mar. 31, 2019
Statement of Comprehensive Income [Abstract] |  |
Net Income | $ 89,505,801 | $ 104,280,411
Other comprehensive income before tax: |  |
Foreign currency translation adjustments | (692,090) | 298,999
Unrealized gains on debt securities, net | 2,779,730 | 1,298,236
Other comprehensive income, before tax | 2,087,640 | 1,597,235
Income tax impact related to components of other comprehensive income | 583,743 | 272,631
Other comprehensive income, net of tax | 1,503,897 | 1,324,604
Net current-period change | $ 91,009,698 | $ 105,605,015

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