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Marketable Securities (Tables)

9 Months Ended

Sep. 30, 2019

Investments, Debt and Equity Securities [Abstract]

Available-for-sale Marketable Securities

The following tables summarize the Company's marketable debt and equity securities (in thousands):

			September 30, 2019
			Amortized Cost						Gross Unrealized Gains						Gross Unrealized Losses						Fair Value
Government-sponsored enterprises			$	11,690					$	5					$	—					$	11,695
Corporate debt securities			74,563						20						(2)						74,581
Total marketable debt securities			86,253						25						(2)						86,276
Corporate equity securities			19,102						—						(7,555)						11,547
Total marketable securities			$	105,355					$	25					$	(7,557)					$	97,823

			December 31, 2018
			Amortized Cost						Gross Unrealized Gains						Gross Unrealized Losses						Fair Value
Corporate debt securities			$	12,738					$	—					$	(3)					$	12,735

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- 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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