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Income Taxes - Additional Information (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2019 | Sep. 30, 2018 | Sep. 30, 2019 | Sep. 30, 2018 | Dec. 31, 2018
Income Tax Disclosure [Abstract] |  |  |  |  |
Provision for income taxes | $ 214 | $ 269 | $ 865 | $ 431 |
Effective Income Tax Rate Reconciliation, Percent |  |  | 20.50% | 29.80% |
Deferred Tax Assets, Net | $ 3,300 |  | $ 3,300 |  | $ 4,600

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