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Fair Value Measurements and Marketable Securities - Marketable Securities with Unrealized Losses (Detail) (USD $)
In Thousands, unless otherwise specified |
Dec. 31, 2013
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| Schedule of Available-for-sale Securities [Line Items] | |
| Marketable securities, in loss position for less than twelve months, Fair Value | $ 14,817 |
| Marketable securities, in loss position for less than twelve months, Unrealized Loss | (10) |
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Government securities [Member]
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| Schedule of Available-for-sale Securities [Line Items] | |
| Marketable securities, in loss position for less than twelve months, Fair Value | 2,898 |
| Marketable securities, in loss position for less than twelve months, Unrealized Loss | (3) |
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Corporate debt securities [Member]
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| Schedule of Available-for-sale Securities [Line Items] | |
| Marketable securities, in loss position for less than twelve months, Fair Value | 11,919 |
| Marketable securities, in loss position for less than twelve months, Unrealized Loss | $ (7) |
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- Definition
Amount of accumulated pre-tax unrealized loss on investments in available-for-sale securities that have been in a loss position for less than twelve months impacting investments. No definition available.
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- Definition
This item represents the aggregate fair value of investments in debt and equity securities categorized neither as held-to-maturity nor trading securities that have been in a continuous unrealized loss position for less than twelve months. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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