Cash Equivalents and Investments (Tables)

3 Months Ended

Mar. 31, 2023

Cash and Cash Equivalents [Abstract]

Summary of amortized cost and fair value of our cash equivalents and investments

The following tables summarize the amortized cost and fair value of the Company's cash equivalents and investments (in thousands):

	MARCH 31, 2023
	AMORTIZED COST BASIS		GROSS UNREALIZED GAINS		GROSS UNREALIZED LOSSES			ALLOWANCE FOR CREDIT LOSSES		ESTIMATED FAIR VALUE
Cash Equivalents
Money market funds	$	9,014	$	—	$	—		$	—	$	9,014
Total Cash Equivalents	$	9,014	$	—	$	—		$	—	$	9,014
Investments
Commercial paper	$	16,308	$	—	$	—		$	—	$	16,308
Corporate bonds		1,509		—		(9	)		—		1,500
U.S. treasury securities		5,972		—		(15	)		—		5,957
Total Investments	$	23,789	$	—	$	(24	)	$		$	23,765

	DECEMBER 31, 2022
	AMORTIZED COST BASIS		GROSS UNREALIZED GAINS		GROSS UNREALIZED LOSSES			ALLOWANCE FOR CREDIT LOSSES		ESTIMATED FAIR VALUE
Cash Equivalents
Money market funds	$	19,881	$	—	$	—		$	—	$	19,881
Total Cash Equivalents	$	19,881	$	—	$	—		$	—	$	19,881
Investments
Commercial paper	$	25,094	$	—	$	—		$	—	$	25,094
U.S. treasury securities		8,417		—		(39	)		—		8,378
Corporate bonds		3,028		—		(13	)		—		3,015
Total Investments	$	36,539	$	—	$	(52	)	$	—	$	36,487

Schedule of Realized Gain (Loss)

The following table summarizes gross realized gains and losses from sales of AFS securities for the periods indicated:

	THREE MONTHS ENDED MARCH 31,
	2023		2022
Gross realized gains from sales of AFS securities	$	44	$	—
Gross realized losses from sales of AFS securities		—		—
Losses from sales of AFS securities, net	$	44	$	—

Summary of Government-Sponsored Residential Mortgage-Backed Securities with Gross Unrealized Gains (Losses)

Information pertaining to AFS securities with gross unrealized gains (losses) as of March 31, 2023 and December 31, 2022, for which the Company did not recognize a provision for credit losses under the current expected credit loss methodology, aggregated by investment category and length of time that individual securities had been in a continuous loss position, is as follows:

			MARCH 31, 2023 - LESS THAN 12 MONTHS
	# OF HOLDINGS		GROSS UNREALIZED GAINS		FAIR VALUE
Commercial paper		11	$	—	$	16,308
U.S. treasury securities		4		24		5,957
Corporate bonds		1		4		1,500
		16	$	28	$	23,765

			DECEMBER 31, 2022 - LESS THAN 12 MONTHS
	# OF HOLDINGS		GROSS UNREALIZED GAINS			FAIR VALUE
Commercial paper		17	$	—		$	25,094
U.S. treasury securities		5		(39	)		8,378
Corporate bonds		2		(13	)		3,015
		24	$	(52	)	$	36,487