Marketable Securities (Tables)

12 Months Ended

Dec. 31, 2016

Investments Classified as Available-For-Sale

Marketable securities classified as available-for-sale as of December 31, 2016 and 2015 were comprised of (in thousands):

	December 31, 2016								December 31, 2015
			Gross		Gross						Gross		Gross
	Amortized		Unrealized		Unrealized		Fair		Amortized		Unrealized		Unrealized		Fair
	Cost		Gains		Losses		Value		Cost		Gains		Losses		Value
Asset-backed securities	$	23,636	$	—	$	(4)	$	23,632	$	20,748	$	—	$	(9)	$	20,739
Corporate debt securities		67,457		43		(6)		67,494		116,821		29		(41)		116,809
Total	$	91,093	$	43	$	(10)	$	91,126	$	137,569	$	29	$	(50)	$	137,548

- 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.

+ References + Details