Fair Value Measurements (Tables)

3 Months Ended

Mar. 31, 2022

Fair Value Disclosures [Abstract]

Schedule of fair value hierarchy

The following table represents the Company's fair value hierarchy for its financial assets and liabilities (in thousands):

	Fair Value at March 31, 2022						Fair Value at December 31, 2021
Assets	Level 1		Level 2		Level 3		Level 1		Level 2		Level 3
Money market funds(1)	$	500,411	$	—	$	—	$	361,822	$	—	$	—
Government-backed securities(1)	—		179,500		—		—		266,250		—
Treasury securities(1)	—		54,009		—		—		—		—
Corporate debt securities(1)	—		672,208		—		—		790,672		—
Agency securities(1)	—		62,739		—		—		—		—
Total cash equivalents	$	500,411	$	968,456	$	—	$	361,822	$	1,056,922	$	—
Liabilities
Convertible notes payable	$	—	$	348,098	$	—	$	—	$	447,509	$	—

(1)All investments are classified as cash and cash equivalents as of March 31, 2022 and December 31, 2021, on the consolidated balance sheets.