Cash Equivalents and Investments (Tables)

3 Months Ended

Mar. 31, 2018

Investments, Debt and Equity Securities [Abstract]

Summary of Available-for-sale Securities

The following table summarizes the available‑for‑sale securities (in thousands):




	Amortized Cost		Unrealized Gains		Unrealized Losses			Fair Value
March 31, 2018 (unaudited)
Money market funds	$	64,769	$	—	$	—		$	64,769
Corporate notes	103,764		—		(184		)	103,580
Government notes	7,937		—		(18		)	7,919
Total	$	176,470	$	—	$	(202	)	$	176,268




	Amortized Cost		Unrealized Gains		Unrealized Losses			Fair Value
December 31, 2017:
Money market funds	$	8,685	$	—	$	—		$	8,685
Corporate notes	46,133		—		(35		)	46,098
Government notes	6,191		—		(16		)	6,175
Total	$	61,009	$	—	$	(51	)	$	60,958

- 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