Investments (Tables)

9 Months Ended

Sep. 30, 2014

Investments Classified as Available-For-Sale

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

Summary maturities of the Company's marketable securities

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

- Definition

Tabular disclosure of available-for-sale securities which includes, but is not limited to, changes in the cost basis and fair value, fair value and gross unrealized gain (loss), fair values by type of security, contractual maturity and classification, amortized cost basis, contracts to acquire securities to be accounted for as available-for-sale, debt maturities, transfers to trading, change in net unrealized holding gain (loss) net of tax, continuous unrealized loss position fair value, aggregate losses qualitative disclosures, other than temporary impairment (OTTI) losses or other disclosures related to available for sale securities.

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