Summary of Significant Accounting Policies - Schedule of Distribution of Total Operating Expenses by Geographical Area (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2018 |
Dec. 31, 2017 |
Dec. 31, 2016 |
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| Segment Reporting Information [Line Items] | |||
| Operating expenses | $ 77,428 | $ 29,963 | $ 13,359 |
| Ireland | |||
| Segment Reporting Information [Line Items] | |||
| Operating expenses | 66,552 | 24,619 | 9,864 |
| U.S. | |||
| Segment Reporting Information [Line Items] | |||
| Operating expenses | $ 10,876 | $ 5,344 | $ 3,495 |
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- Definition Generally recurring costs associated with normal operations except for the portion of these expenses which can be clearly related to production and included in cost of sales or services. Includes selling, general and administrative expense. No definition available.
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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