Investments and Other Assets - Schedule of Other Assets (Detail) - USD ($) $ in Thousands |
Dec. 31, 2017 |
Dec. 31, 2016 |
|---|---|---|
| Other Assets Noncurrent [Abstract] | ||
| Cost method investments | $ 10,000 | $ 10,000 |
| Other assets | 1,626 | 946 |
| Non-current tax receivable | 414 | |
| Total other assets | $ 12,040 | $ 10,946 |
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- Definition Amount, after adjustment, of cost-method investment. Adjustments include, but are not limited to, dividends received in excess of earnings after date of investment that are considered a return of investment and other than temporary impairments. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Carrying amount due after one year of the balance sheet date (or one operating cycle, if longer) from tax authorities as of the balance sheet date representing refunds of overpayments or recoveries based on agreed-upon resolutions of disputes. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of investments, and noncurrent assets classified as other. No definition available.
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- Definition Amount of noncurrent assets classified as other. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- References No definition available.
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