Investments (Tables)

12 Months Ended

Dec. 31, 2022

Investments, All Other Investments [Abstract]

Summary of Fair value of Company's Financial Assets

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 treasury securities	$	55,938	$	—	$	55,938	$	—
Money market funds		41,210		—		41,210		—
Investments
Sovereign treasury securities		205,779		—		205,779		—
Common stock		12,149		12,149		—		—
Warrants		153		153		—		—
Total financial assets	$	315,229	$	12,302	$	302,927	$	—

The fair value of the Company's financial assets as of December 31, 2021 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 treasury securities	$	301,992	$	—	$	301,992	$	—
Money market funds		83,004		—		83,004		—
Investments
Sovereign treasury securities		200,973		—		200,973		—
Common stock		15,964		15,964		—		—
Warrants		684		684		—		—
Total financial assets	$	602,617	$	16,648	$	585,969	$	—