Investments (Tables)

9 Months Ended

Sep. 30, 2021

Investments, Debt and Equity Securities [Abstract]

Schedule of Company's Cash Equivalents, Restricted Cash, and Short-Term Investments

The following table summarizes the Company’s cash equivalents, restricted cash, and short-term investments (in thousands):

	September 30, 2021
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Estimated Fair Value
Cash equivalents and restricted cash:
Money market funds	$	130,766	$	—	$	—	$	130,766
Total	$	130,766	$	—	$	—	$	130,766

	December 31, 2020
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Estimated Fair Value
Cash equivalents:
Money market funds	$	281,783	$	—	$	—	$	281,783
Total	$	281,783	$	—	$	—	$	281,783