Investments (Tables)

9 Months Ended

Sep. 30, 2022

Investments, Debt and Equity Securities [Abstract]

Schedule of fair value of securities, not including cash

The following tables summarize the gross unrealized gains and losses of the Company’s marketable securities as of September 30, 2022 and December 31, 2021:

	September 30, 2022
			Gross Unrealized						Estimated Fair Value
(In thousands)	Amortized Cost		Gains		Losses		Credit Losses
Commercial paper	$	14,736	$	—	$	(95)	$	—	$	14,641
Corporate notes	50,893		—		(1,048)		—		49,845
U.S. government agency bonds	2,979		—		(3)		—		$	2,977
	$	68,608	$	—	$	(1,146)	$	—	$	67,463
Classified as:
Short-term investments									$	45,724
Long-term investments									21,739
									$	67,463

	December 31, 2021
			Gross Unrealized						Estimated Fair Value
(In thousands)	Amortized Cost		Gains		Losses		Credit Losses
Commercial paper	$	10,243	$	—	$	(12)	$	—	$	10,231
Corporate notes	50,666		—		(142)		—		50,524
	$	60,909	$	—	$	(154)	$	—	$	60,755
Classified as:
Short-term investments									$	35,068
Long-term investments									25,687
									$	60,755