Investments (Tables)

6 Months Ended

Jun. 30, 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 June 30, 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	$	15,870	$	—	$	15,870	$	—
Money market securities		28,294		—		28,294		—
Investments
U.S. treasury instruments		137,755		—		137,755		—
Common stock		7,351		7,351		—		—
Warrants		336		336		—		—
Total financial assets	$	189,606	$	7,687	$	181,919	$	—

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	$	—