Cash and Cash Equivalents, Restricted Cash and Marketable Securities (Details 2) - USD ($) $ in Thousands |
Jun. 30, 2017 |
Dec. 31, 2016 |
|---|---|---|
| Marketable securities: | ||
| Mature within one year - Amortized Cost | $ 19,828 | $ 32,776 |
| Mature after one year and within three years - Amortized Cost | 1,498 | 6,544 |
| Available-for-sale Securities, Amortized Cost | 21,326 | 39,320 |
| Mature within one year - Estimated Fair Value | 19,826 | 32,788 |
| Mature after one year and within three years - Estimated Fair Value | 1,496 | 6,540 |
| Total - Estimated Fair Value | $ 21,322 | $ 39,328 |
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- Definition Available for sale securities debt maturities after one through three years amortized cost. No definition available.
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- Definition Available for sale securities debt maturities after one through three years fair value. No definition available.
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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 Amount of investment in debt and equity securities categorized neither as trading securities nor held-to-maturity securities and intended be sold or mature one year or operating cycle, if longer. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- References No definition available.
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- Definition Amount after adjustments of available-for-sale debt securities at cost, maturing in the next fiscal year following the latest fiscal year. Adjustments include, but are not limited to, accretion, amortization, collection of cash, previous other-than-temporary impairments (OTTI) recognized in earnings less cumulative-effect adjustments, and fair value hedge accounting adjustments. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Fair value of available-for-sale debt securities maturing in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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