Available-for-Sale-Securities

3 Months Ended

Mar. 31, 2023

Debt Securities, Available-for-sale [Abstract]

Available-for-Sale-Securities

Available-for-Sale-Securities

The following table is a summary of available-for-sale securities recorded in cash and cash equivalents or marketable securities in our Consolidated Balance Sheets (in thousands):

	March 31, 2023								December 31, 2022
	Cost		Gross Unrealized Gains		Gross Unrealized Losses		Estimated Fair Value		Cost		Gross Unrealized Gains		Gross Unrealized Losses		Estimated Fair Value
Corporate debt securities	$	37,267	$	—	$	(29)	$	37,238	$	44,308	$	—	$	(17)	$	44,291
Commercial paper	5,328		—		—		5,328		7,953		—		—		7,953
Money market funds	12,666		—		—		12,666		4,871		—		—		4,871
Municipal debt securities	349		—		—		349		7,626		—		(1)		7,625
Total	$	55,610	$	—	$	(29)	$	55,581	$	64,758	$	—	$	(18)	$	64,740

Estimated fair values of available-for-sale securities are generally based on prices obtained from commercial pricing services. The following table summarizes the classification of the available-for-sale securities in our Consolidated Balance Sheets (in thousands):

	March 31, 2023		December 31, 2022
Cash equivalents	$	22,641	$	27,668
Marketable securities	32,940		37,072
Total	$	55,581	$	64,740

The following table summarizes our portfolio of available-for-sale securities by contractual maturity (in thousands):

	March 31, 2023
	Amortized Cost		Estimated Fair Value
Less than one year	$	55,610	$	55,581
Greater than one year	—		—
Total	$	55,610	$	55,581