Fair Value - Schedule of Fair Value of Financial Assets and Liabilities Inputs (Details) - USD ($) $ in Thousands |
Sep. 30, 2017 |
Dec. 31, 2016 |
|---|---|---|
| Assets: | ||
| Total assets measured at fair value | $ 6,249 | $ 43,361 |
| Corporate debt securities | ||
| Assets: | ||
| Total assets measured at fair value | 6,249 | 43,361 |
| Quoted Prices in Active Markets for Identical Instruments (Level 1) | ||
| Assets: | ||
| Total assets measured at fair value | 0 | 0 |
| Quoted Prices in Active Markets for Identical Instruments (Level 1) | Corporate debt securities | ||
| Assets: | ||
| Total assets measured at fair value | 0 | 0 |
| Significant Other Observable Inputs (Level 2) | ||
| Assets: | ||
| Total assets measured at fair value | 6,249 | 43,361 |
| Significant Other Observable Inputs (Level 2) | Corporate debt securities | ||
| Assets: | ||
| Total assets measured at fair value | $ 6,249 | $ 43,361 |
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- Definition This element represents the aggregate of the assets reported on the balance sheet at period end measured at fair value on a recurring basis by the entity. This element is intended to be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. No definition available.
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