Marketable Securities (Tables)

12 Months Ended

Dec. 31, 2014

Investments, Debt and Equity Securities [Abstract]

The following table presents certain information on the Company's portfolio of available-for-sale securities as of December 31, 2014 and 2013 (dollars in thousands):



	As of December 31, 2014
Description of Securities	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Estimated Fair Value
Marketable securities, current
Corporate notes and bonds	$	24,462	$	—	$	(26	)	$	24,436
Commercial paper	1,998		—		—			1,998
Mortgage securities	682		2,699		—			3,381
Total	$	27,142	$	2,699	$	(26	)	$	29,815

Marketable securities, non-current
Corporate notes and bonds	$	15,066	$	—	$	(52	)	$	15,014
Agency securities	1,000		—		(2		)	998
Total	$	16,066	$	—	$	(54	)	$	16,012

	As of December 31, 2013
Description of Securities	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Estimated Fair Value
Marketable securities, current
Mortgage securities	$	625	$	3,103	$	—		$	3,728

Schedule of Variable Interest Entities

The following table relates to the securitizations where the Company retained an interest in the assets issued by the securitization trust (dollars in thousands):



	Size/Principal Outstanding (A)		Assets on Balance Sheet (B)		Liabilities on Balance Sheet		Maximum Exposure to Loss(C)		Year to Date Loss on Sale		Year to Date Cash Flows
December 31, 2014	$	4,062,068	$	3,381	$	—	$	3,381	$	—	$	7,136
December 31, 2013	4,811,987		3,728		—		3,728		—		5,448


(A)	Size/Principal Outstanding reflects the estimated principal of the underlying assets held by the securitization trust.


(B)	Assets on balance sheet are securities issued by the entity and are recorded in the current marketable securities line item of the consolidated balance sheets.


(C)	The maximum exposure to loss includes the assets held by the Company. The maximum exposure to loss assumes a total loss on the referenced assets held by the securitization trust.

- 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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- Definition

Tabular disclosure of the significant judgments and assumptions made in determining whether a variable interest (as defined) held by the entity requires the variable interest entity (VIE) (as defined) to be consolidated and (or) disclose information about its involvement with the VIE, individually or in aggregate (as applicable); the nature of restrictions, if any, on the consolidated VIE's assets and on the settlement of its liabilities reported by an entity in its statement of financial position, including the carrying amounts of such assets and liabilities; the nature of, and changes in, the risks associated with involvement in the VIE; how involvement with the VIE affects the entity's financial position, financial performance, and cash flows; the lack of recourse if creditors (or beneficial interest holders) of the consolidated VIE have no recourse to the general credit of the primary beneficiary (if applicable); the terms of arrangements, giving consideration to both explicit arrangements and implicit variable interests, if any, that could require the entity to provide financial support to the VIE, including events or circumstances that could expose the entity to a loss; the methodology used by the entity for determining whether or not it is the primary beneficiary of the variable interest entity; the significant factors considered and judgments made in determining that the power to direct the activities of a VIE that most significantly impact the VIE's economic performance are shared (as defined); the carrying amounts and classification of assets and liabilities of the VIE included in the statement of financial position; the entity's maximum exposure to loss, if any, as a result of its involvement with the VIE, including how the maximum exposure is determined and significant sources of the entity's exposure to the VIE; a comparison of the carrying amounts of the assets and liabilities and the entity's maximum exposure to loss; information about any liquidity arrangements, guarantees, and (or) other commitments by third parties that may affect the fair value or risk of the entity's variable interest in the VIE; whether or not the entity has provided financial support or other support (explicitly or implicitly) to the VIE that it was not previously contractually required to provide or whether the entity intends to provide that support, including the type and amount of the support and the primary reasons for providing the support; and supplemental information the entity determines necessary to provide.

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