Investments (Tables)

3 Months Ended

Mar. 31, 2022

Investments, All Other Investments [Abstract]

Summary of Financial Assets Recorded at Fair Value On Recurring Basis

The fair value of the Company's financial assets as of March 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
U.S. treasury instruments	$	9,996	$	—	$	9,996	$	—
Money market securities		11,066		—		11,066		—
Investments
U.S. treasury instruments		171,114		—		171,114		—
Common stock		12,231		12,231		—		—
Warrants		537		537		—		—
Total financial assets	$	204,944	$	12,768	$	192,176	$	—

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
U.S. treasury instruments	$	301,992	$	—	$	301,992	$	—
Money market securities		83,004		—		83,004		—
Investments
U.S. treasury instruments		200,973		—		200,973		—
Common stock		15,964		15,964		—		—
Warrants		684		684		—		—
Total financial assets	$	602,617	$	16,648	$	585,969	$	—