Cash, Cash Equivalents and Short-Term Investments (Details 2) - USD ($) $ in Thousands |
Jun. 30, 2015 |
Dec. 31, 2014 |
|---|---|---|
| Cash equivalents and available-for-sale securities | ||
| Amortized Cost | $ 128,145 | $ 132,964 |
| Gross Unrealized Gains | 29 | 25 |
| Gross Unrealized Losses | (18) | (32) |
| Fair Value | $ 128,156 | 132,957 |
| Cash equivalent and short-term investments contractual maturities | 1 year | |
| U S Treasury Securities | ||
| Cash equivalents and available-for-sale securities | ||
| Amortized Cost | 2,010 | |
| Fair Value | 2,010 | |
| U S Government Sponsored Enterprises Debt Securities | ||
| Cash equivalents and available-for-sale securities | ||
| Amortized Cost | $ 46,377 | 45,793 |
| Gross Unrealized Gains | 5 | 4 |
| Gross Unrealized Losses | (4) | (11) |
| Fair Value | 46,378 | 45,786 |
| Corporate Bond Securities And Commercial Paper | ||
| Cash equivalents and available-for-sale securities | ||
| Amortized Cost | 81,768 | 85,161 |
| Gross Unrealized Gains | 24 | 21 |
| Gross Unrealized Losses | (14) | (21) |
| Fair Value | $ 81,778 | $ 85,161 |
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- References No definition available.
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- Definition Represents cash equivalents and short-term investments contractual maturities. No definition available.
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- Definition Amount before tax of unrealized gain in accumulated other comprehensive income (AOCI) on investments in debt and equity securities classified as available-for-sale. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount before tax of unrealized loss in accumulated other comprehensive income (AOCI) on investments in debt and equity securities classified as available-for-sale. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition This item represents the cost of debt and equity securities, which are categorized neither as held-to-maturity nor trading, net of adjustments including accretion, amortization, collection of cash, previous other-than-temporary impairments recognized in earnings (less any cumulative-effect adjustments recognized, as defined), and fair value hedge accounting adjustments, if any. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Fair value portion of investment securities, including, but not limited to, marketable securities, derivative financial instruments, and investments accounted for under the equity method. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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