Fair Value Measurements (Tables)

6 Months Ended

Jun. 30, 2023

Fair Value Disclosures [Abstract]

Schedule of Fair Value Measurements for Items

The following tables present a summary of fair value measurements for financial instruments at June 30, 2023 and December 31, 2022, respectively:

June 30, 2023	Level 1		Level 2		Level 3		Total fair value
	(in thousands)
U.S. government and government agencies	$	—	$	172,193	$	—	$	172,193
Corporate debt securities	—		92,914		—		92,914
Warrants receivable	—		—		900		900
Total assets at fair value	$	—	$	265,107	$	900	$	266,007

December 31, 2022	Level 1		Level 2		Level 3		Total fair value
	(in thousands)
U.S. government and government agencies	$	—	$	228,467	$	—	$	228,467
Corporate debt securities	—		98,399		—		98,399
Warrants receivable	—		—		900		900
Total assets at fair value	$	—	$	326,866	$	900	$	327,766

Schedule of Changes in Balances of Level 3 Financial Liabilities

The changes in balances of the Company's Level 3 financial assets and liabilities during the six months ended June 30, 2023 were as follows:

	Warrants receivable		Total
	(in thousands)
Balance, December 31, 2022	$	900	$	900
Receipts	—		—
Settlements	—		—
Transfers in	—		—
Transfers out	—		—
Total realized losses (gains)	—		—
Balance, June 30, 2023	$	900	$	900