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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

- Definition

Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

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