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Segment and Geographic Information - Additional Information (Details) $ in Thousands | 9 Months Ended |
--- | --- | ---
Sep. 30, 2019 USD ($) Segment | Dec. 31, 2018 USD ($)
Segment Reporting Information [Line Items] |  |
Number of reportable segments | Segment | 2 |
Assets | $ 369,383 | $ 268,290
Goodwill | 14,828 |
Intangible assets | 3,982 |
International |  |
Segment Reporting Information [Line Items] |  |
Assets | 30,540 |
Goodwill | 14,828 |
Intangible assets | $ 3,982 |

X
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