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Income Taxes - Schedule of Provisional Income Tax Adjustments (Details) $ in Thousands | 6 Months Ended
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Jun. 30, 2018 USD ($)
Income Tax Disclosure [Abstract] |
Remeasurement of certain deferred tax balances | $ (114)
One-time transition tax | (233)
Non-deductible performance based compensation | 51
Net benefit recorded to provisional income tax expense | $ (68)

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