Summary of Significant Accounting Policies - Additional Information (Details) - USD ($) $ in Thousands |
3 Months Ended | |
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Mar. 31, 2019 |
Mar. 31, 2018 |
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| Cumulative effect of new accounting principle in period of adoption | $ 10,327 | |
| Revenues | 8,629 | $ 5,793 |
| Balances without the Adoption of Topic 606 | ||
| Revenues | 7,600 | |
| Accounting Standards Update 2014-09 | ||
| Cumulative effect of new accounting principle in period of adoption | 10,300 | |
| Revenues | $ 7,616 | |
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- Definition Amount after tax of increase (decrease) to equity or (increase) decrease to net assets, resulting from the cumulative effect adjustment of a new accounting principle applied in the period of adoption. No definition available.
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- Definition Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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