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Accumulated Other Comprehensive Income (Tables) | 12 Months Ended
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Dec. 31, 2018
Text Block1 [Abstract] |
Summary of Accumulated Other Comprehensive Income |
|  | Unrealized Foreign Currency Translation Gains (Losses) |  |  | Foreign Exchange Gain (Loss) on Net Investment Hedge |  |  | Accumulated Other Comprehensive Income |
December 31, 2016 |  | $ | 587,278 |  |  | $ | (430,822 | ) |  | $ | 156,456 |
Other comprehensive loss |  |  | (146,545 | ) |  |  | 121,699 |  |  |  | (24,846 | )
December 31, 2017 |  |  | 440,733 |  |  |  | (309,123 | ) |  |  | 131,610 |
Other comprehensive income |  |  | 175,630 |  |  |  | (145,226 | ) |  |  | 30,404 |
December 31, 2018 |  | $ | 616,363 |  |  | $ | (454,349 | ) |  | $ | 162,014 |

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