Cash Equivalents, Restricted Cash and Investments (Tables)

9 Months Ended

Sep. 30, 2020

Investments Debt And Equity Securities [Abstract]

Summary of Reconciliation of Cash, Cash Equivalents and Restricted Cash

The following table provides a reconciliation of cash, cash equivalents and restricted cash shown in the Condensed Consolidated Statements of Cash Flows (in thousands):

	September 30,		December 31,
	2020		2019
Cash and cash equivalents	$	56,177	$	39,179
Restricted cash included in Other assets		1,080		1,080
Total cash, cash equivalents and restricted cash	$	57,257	$	40,259

Amortized Cost and Fair Value of Cash Equivalents and Investments

The amortized cost and fair value of cash equivalents and investments at September 30, 2020 and December 31, 2019 were as follows (in thousands):

	September 30, 2020
	Amortized		Gross Unrealized					Fair
	Cost		Gains		Losses			Value
Money market fund	$	50,473	$	—	$	—		$	50,473
U.S. treasury securities		200,899		104		—			201,003
Government-sponsored agencies		12,495		2		—			12,497
Commercial paper		120,809		—		—			120,809
Asset-backed securities		22,218		68		—			22,286
Corporate debt securities		72,970		109		(11	)		73,068
Total available-for-sale securities	$	479,864	$	283	$	(11	)	$	480,136
Classified as:
Cash equivalents								$	50,473
Short-term investments									415,207
Long-term investments									14,456
Total available-for-sale securities								$	480,136

	December 31, 2019
	Amortized		Gross Unrealized					Fair
	Cost		Gains		Losses			Value
Money market fund	$	30,353	$	—	$	—		$	30,353
U.S. treasury securities		40,245		47		—			40,292
Commercial paper		12,429		—		—			12,429
Asset-backed securities		25,436		50		—			25,486
Corporate debt securities		84,605		225		(4	)		84,826
Total available-for-sale securities	$	193,068	$	322	$	(4	)	$	193,386
Classified as:
Cash equivalents								$	30,325
Short-term investments									133,607
Long-term investments									29,454
Total available-for-sale securities								$	193,386