Fair Value of Financial Assets and Liabilities (Tables)

3 Months Ended

Mar. 31, 2022

Fair Value Disclosures [Abstract]

Schedule of financial assets and liabilities measured at fair value on a recurring basis

Financial assets and liabilities measured at fair value on a recurring basis on the condensed consolidated balance sheets at March 31, 2022 and December 31, 2021 were as follows:

		Fair Value Measurement Using:
Balance Sheet Classification	Type of Instrument	Level 1		Level 2		Level 3		Total
March 31, 2022
Assets:
Cash equivalents	Money market funds	$	45,999	$	—	$	—	$	45,999
Cash equivalents	U.S. treasury bills	—		8,497		—		8,497
Marketable securities	U.S. treasury bills	5,992		92,504		—		98,496
Marketable securities	U.S. corporate bonds	—		288,234		—		288,234
Marketable securities	Foreign corporate bonds	—		46,680		—		46,680
Total assets		$	51,991	$	435,915	$	—	$	487,906
Liabilities:
Series B preferred shares forward contracts		$	—	$	—	$	9,120	$	9,120
Total liabilities		$	—	$	—	$	9,120	$	9,120
December 31, 2021
Assets:
Cash equivalents	Money market funds	$	32,420	$	—	$	—	$	32,420
Marketable securities	U.S. treasury bills	5,994		35,937		—		41,931
Marketable securities	U.S. corporate bonds	—		130,155		—		130,155
Marketable securities	Foreign corporate bonds	—		20,561		—		20,561
Total assets		$	38,414	$	186,653	$	—	$	225,067
Liabilities:
Series B preferred shares forward contracts		$	—	$	—	$	13,110	$	13,110
Total liabilities		$	—	$	—	$	13,110	$	13,110

Schedule of aggregate fair value of liability determined by Level 3 inputs

The following tables provide roll forwards of the aggregate fair value of the Company's Series B Preferred Shares Forward Contracts for which fair value is determined by Level 3 inputs for the three months ended March 31, 2022 and 2021:

	Carrying Value
Balance at December 31, 2021	$	13,110
Change in fair value of derivative liability	(3,604)
Partial settlement of derivative liability	(386)
Balance at March 31, 2022	$	9,120
Balance at December 31, 2020	$	14,190
Change in fair value of derivative liability	835
Partial settlement of derivative liability	(625)
Balance at March 31, 2021	$	14,400