Fair Value Measurements - Changes in Fair Value of Financial Instruments (Detail) - USD ($) $ in Thousands |
3 Months Ended | |
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Mar. 31, 2016 |
Mar. 31, 2015 |
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| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] | ||
| Balance | $ 2,485 | $ 4,160 |
| Change in fair value of investments | (918) | (215) |
| Balance | 1,567 | 3,945 |
| CB Pharma Acquisitions Corp [Member] | ||
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] | ||
| Balance | 2,235 | 3,910 |
| Change in fair value of investments | (918) | (215) |
| Balance | 1,317 | 3,695 |
| Other Long-term Investments [Member] | ||
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] | ||
| Balance | 250 | 250 |
| Change in fair value of investments | 0 | 0 |
| Balance | $ 250 | $ 250 |
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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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- Definition Amount of gain (loss) recognized in the income statement for financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Fair value of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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