Investments (Tables)

3 Months Ended

Mar. 31, 2023

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:

	March 31, 2023
			Gross Unrealized						Estimated Fair Value
(In thousands)	Amortized Cost		Gains		Losses		Credit Losses
Commercial paper	$	14,306	$	—	$	(48)	$	—	$	14,258
Corporate notes	43,157		—		(559)		—		42,598
U.S. government securities	4,920		5		—		—		4,925
U.S. government agency bonds	15,600		—		(29)		—		15,571
	$	77,983	$	5	$	(636)	$	—	$	77,352
Classified as:
Short-term investments									$	57,442
Long-term investments									19,910
									$	77,352

	December 31, 2022
			Gross Unrealized						Estimated Fair Value
(In thousands)	Amortized Cost		Gains		Losses		Credit Losses
Commercial paper	$	15,707	$	—	$	(101)	$	—	$	15,606
Corporate notes	52,159		—		(831)		—		51,328
U.S. government agency bonds	21,545		—		(46)		—		21,499
	$	89,411	$	—	$	(978)	$	—	$	88,433
Classified as:
Short-term investments									$	68,471
Long-term investments									19,962
									$	88,433