XML 25 R25.htm IDEA: XBRL DOCUMENT
v2.4.1.9

Cash and Investments in Marketable Securities (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2014
Fair Value Disclosures [Abstract] |
Cash and Investments in Marketable Securities, Including Cash Equivalents and Restricted Cash | Cash and investments in marketable securities, including cash equivalents and restricted cash, are as follows (in thousands):
|  | Estimated Fair Value at |
|  | December 31, 2014 |  |  | December 31, 2013 |
Cash and cash equivalents |  | $ | 12,365 |  |  | $ | 39,067 |
Short-term investments |  |  | 225,459 |  |  |  | 197,959 |
Restricted cash |  |  | 25,000 |  |  |  | 25,000 |
Total cash and investments in marketable securities |  | $ | 262,824 |  |  | $ | 262,026 |
Portfolio of Cash and Investments in Marketable Securities | Our portfolio of cash and investments in marketable securities includes (in thousands):
|  | Fair Value Hierarchy Level |  |  | Estimated Fair Value at |
|  |  | December 31, 2014 |  |  | December 31, 2013 |
Corporate notes and bonds |  |  | 2 |  |  | $ | 182,544 |  |  | $ | 138,515 |
Corporate commercial paper |  |  | 2 |  |  |  | 42,915 |  |  |  | 59,444 |
Available-for-sale investments |  |  |  |  |  |  | 225,459 |  |  |  | 197,959 |
Money market funds |  |  | 1 |  |  |  | 11,229 |  |  |  | 26,453 |
Cash, including restricted cash |  |  | N/A |  |  |  | 26,136 |  |  |  | 37,614 |
Total cash and investments in marketable securities |  |  |  |  |  | $ | 262,824 |  |  | $ | 262,026 |

X
- Definition Tabular disclosure of assets, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, by class that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19190-110258 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a),(b) -URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19207-110258 + Details
Name: | us-gaap_FairValueAssetsMeasuredOnRecurringBasisTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_FairValueDisclosuresAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the components of cash, cash equivalents, and investments. + References No definition available. + Details
Name: | us-gaap_ScheduleOfCashCashEquivalentsAndShortTermInvestmentsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration