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Income Taxes - Schedule of Components of Income Tax Expense (Benefit) (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2018 | Sep. 30, 2017 | Sep. 30, 2018 | Sep. 30, 2017
Income Tax Disclosure [Abstract] |  |  |  |
Current income tax, United States | $ 528 | $ (1,837) | $ 1,250 | $ (4,048)
Current income tax, Colombia | (3,683) | (723) | (6,205) | (2,373)
Total current income tax | (3,155) | (2,560) | (4,955) | (6,421)
Deferred income tax, United States | (88) | 597 | (1,249) | 594
Deferred income Tax, Colombia | 982 | (3,843) | 17 | 3,031
Total deferred income tax | 894 | (3,246) | (1,232) | 3,625
Total income tax benefit (provision) | $ (2,261) | $ (5,806) | $ (6,187) | $ (2,796)
Effective tax rate | 27.00% | 45.00% | 32.00% | 38.00%

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