Fair Value Measurements (Tables)

3 Months Ended

Mar. 31, 2022

Fair Value Disclosures [Abstract]

Summary of Financial Instruments Measured at Fair Value

The following table sets forth the Company’s financial instruments that were measured at fair value by level within the fair value hierarchy on a recurring basis as of the dates indicated (in thousands):

				As of March 31, 2022
	Balance Sheet Location	Total		Level 1		Level 2		Level 3
Financial Assets:
Unrestricted Balances
Money market funds	Cash and cash equivalents	$	930,955	$	930,955	$	—	$	—
Total financial assets		$	930,955	$	930,955	$	—	$	—

				As of December 31, 2021
	Balance Sheet Location	Total		Level 1		Level 2		Level 3
Financial Assets:
Unrestricted Balances
Money market funds	Cash and cash equivalents	$	1,070,979	$	1,070,979	$	—	$	—
Marketable equity securities	Prepaid expenses and other current assets	$	2,532	$	2,532	—		—
Restricted Balances
Money market funds	Restricted cash equivalents	1,050,000		1,050,000		—		—
Total financial assets		$	2,123,511	$	2,123,511	$	—	$	—