Investments (Tables)

6 Months Ended

Jun. 30, 2023

Investments, All Other Investments [Abstract]

Summary of Fair value of Company's Financial Assets

Fair Value of Financial Assets

The fair value of the Company's financial assets as of June 30, 2023, have been categorized based upon the fair value hierarchy as follows:

	Total		Level 1		Level 2		Level 3
Financial assets:
Included in cash and cash equivalents
Sovereign debt securities	$	60,559	$	—	$	60,559	$	—
Money market funds		64,899		—		64,899		—
Total financial assets included in cash and cash equivalents		125,458		—		125,458		—
Investments
Sovereign debt securities		34,643		—		34,643		—
Common stock		5,280		5,280		—		—
Warrants		484		484		—		—
Total financial assets included in investments		40,407		5,764		34,643		—
Total financial assets	$	165,865	$	5,764	$	160,101	$	—

The fair value of the Company's financial assets as of December 31, 2022 have been categorized based upon the fair value hierarchy as follows:

	Total		Level 1		Level 2		Level 3
Financial assets:
Included in cash and cash equivalents
Sovereign debt securities	$	55,938	$	—	$	55,938	$	—
Money market funds		41,210		—		41,210		—
Total financial assets included in cash and cash equivalents		97,148		—		97,148		—
Investments
Sovereign debt securities		205,779		—		205,779		—
Common stock		12,149		12,149		—		—
Warrants		153		153		—		—
Total financial assets included in investments		218,081		12,302		205,779		—
Total financial assets	$	315,229	$	12,302	$	302,927	$	—