Revenues from Contracts and Significant Customers - Additional Information (Detail) - USD ($) $ in Thousands |
3 Months Ended | |
|---|---|---|
Mar. 31, 2019 |
Mar. 31, 2018 |
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| Revenue from Contract with Customer, Including Assessed Tax | $ 6,125 | $ 5,509 |
| Customer One [Member] | ||
| Revenue from Contract with Customer, Including Assessed Tax | 19,900 | 4,400 |
| Accounts Receivable, Net | $ 7,700 | 3,000 |
| Customer Two [Member] | ||
| Revenue from Contract with Customer, Including Assessed Tax | 3,900 | |
| Accounts Receivable, Net | 2,100 | |
| Customer Three [Member] | ||
| Revenue from Contract with Customer, Including Assessed Tax | $ 2,000 | |
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- Definition For an unclassified balance sheet, the amount due from customers or clients for goods or services that have been delivered or sold in the normal course of business, reduced to their estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount, including 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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