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Investments | 9 Months Ended
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Sep. 30, 2014
Investments [Abstract] |
Investments | Note 6 – Investments Marketable securities classified as available-for-sale as of September 30, 2014 and December 31, 2013 were comprised of (in thousands):
|  | September 30, 2014 |  |  | December 31, 2013 |
|  | Amortized Cost |  |  | Gross Unrealized Gains |  |  | Gross Unrealized Losses |  |  | Fair Value |  |  | Amortized Cost |  |  | Gross Unrealized Gains |  |  | Gross Unrealized Losses |  |  | Fair Value |
Auction rate security |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 1,175 |  |  | $ | 615 |  |  | $ | — |  |  | $ | 1,790 |
Asset-backed securities |  |  | 50,316 |  |  |  | -- |  |  |  | (16 | ) |  |  | 50,300 |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |
Corporate debt securities |  |  | 105,517 |  |  |  | 21 |  |  |  | (32 | ) |  |  | 105,506 |  |  |  | 11,806 |  |  |  | 1 |  |  |  | — |  |  |  | 11,807 |
Total |  | $ | 155,833 |  |  | $ | 21 |  |  | $ | (48 | ) |  | $ | 155,806 |  |  | $ | 12,981 |  |  | $ | 616 |  |  | $ | — |  |  | $ | 13,597 |
As of September 30, 2014, the Company held securities in an unrealized loss position with a fair value of approximately $106 million. All of these securities have been in a continuous unrealized loss position for less than one year. The Company has determined that the decline in fair value of these investments is temporary as the Company does not intend to sell these securities and it is not likely that the Company will be required to sell the securities before the recovery of their amortized cost basis. The following table summarizes maturities of the Company's marketable securities as of September 30, 2014:
|  | Marketable Securities |
|  | Amortized Cost |  | Fair Value |
Less than one year |  | $ | 143,634 | $ | 143,617
Due in year two |  |  | 12,199 |  | 12,189
Total |  | $ | 155,833 | $ | 155,806
The Company's investments in asset-backed securities have effective maturity dates of less than one year and greater than one year and accordingly, have been included in both short-term investments available-for-sale and investments available-for-sale, respectively, on the consolidated balance sheets. In January 2014, the Company sold its auction rate security and received proceeds of $1.8 million resulting in a realized gain of $0.6 million.

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- Definition The entire disclosure for investments in certain debt and equity securities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27290-111563 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27357-111563 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -Glossary Debt Security -URI http://asc.fasb.org/extlink&oid=6509901 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 30 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6379141&loc=d3e15032-111544 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27232-111563 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 320 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6957658&loc=d3e62557-112803 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27161-111563 Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27405-111563 Reference 9: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -Glossary Equity Security -URI http://asc.fasb.org/extlink&oid=6511694 + Details
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