Cash, Cash Equivalents and Short-Term Investments - Gross Unrealized Gains and Losses (Details) - USD ($) $ in Thousands |
Sep. 30, 2017 |
Dec. 31, 2016 |
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Cash equivalents and available-for-sale securities | ||
Amortized Cost | $ 62,599 | $ 65,048 |
Gross Unrealized Gains | 5 | |
Gross Unrealized Losses | (7) | (23) |
Fair Value | 62,592 | 65,030 |
U.S. treasury bills | ||
Cash equivalents and available-for-sale securities | ||
Amortized Cost | 3,000 | 4,300 |
Fair Value | 3,000 | 4,300 |
Government-sponsored enterprises securities | ||
Cash equivalents and available-for-sale securities | ||
Amortized Cost | 3,656 | 16,457 |
Gross Unrealized Gains | 3 | |
Gross Unrealized Losses | (1) | (1) |
Fair Value | 3,655 | 16,459 |
Corporate bonds and commercial paper | ||
Cash equivalents and available-for-sale securities | ||
Amortized Cost | 55,943 | 44,291 |
Gross Unrealized Gains | 2 | |
Gross Unrealized Losses | (6) | (22) |
Fair Value | $ 55,937 | $ 44,271 |
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- References 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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