Available for Sale Securities (Tables)

12 Months Ended

Dec. 31, 2021

Investments, Debt and Equity Securities [Abstract]

Summary of Available for Sale Securities at Fair Value

Available for sale securities at December 31, 2021 and 2020 consist of the following:

	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value
	(in thousands)
December 31, 2021
Cash and cash equivalents	$	149,800	$	—	$	—	$	149,800
Total cash, cash equivalents, and available for sale securities	$	149,800	$	—	$	—	$	149,800

	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value
	(in thousands)
December 31, 2020
Cash and cash equivalents	$	228,698	$	—	$	—	$	228,698
Available for sale securities:
Certificates of deposit	$	39,979	$	13	$	—	$	39,992
Total available for sale securities	$	39,979	$	13	$	—	$	39,992
Total cash, cash equivalents, and available for sale securities	$	268,677	$	13	$	—	$	268,690