XML 23 R8.htm IDEA: XBRL DOCUMENT v2.4.0.8

Cash, Cash Equivalents and Investments	9 Months Ended
	Sep. 30, 2014
Cash and Cash Equivalents [Abstract]
Cash, Cash Equivalents and Investments	Cash, Cash Equivalents and Investments As of September 30, 2014 and December 31, 2013, all investments are classified as short-term and available-for-sale on the accompanying Consolidated Balance Sheets. We did not own any securities with unrealized loss positions as of September 30, 2014 or December 31, 2013. Investment income consists primarily of interest income.

X

- Details

Name:	us-gaap_CashAndCashEquivalentsAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The entire disclosure of the components of cash, cash equivalents, and short-term investments. Short-term investments may include current marketable securities.

+ References

No definition available.

+ Details

Name:	us-gaap_CashCashEquivalentsAndShortTermInvestmentsTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration