Investments (Tables)

9 Months Ended

Sep. 30, 2022

Investments, Debt and Equity Securities [Abstract]

Schedule of Amortized Cost of Unrealized Gains and Losses and Fair Value of Investments

The amortized cost, including interest receivable, unrealized gains and losses and fair value of investments available-for-sale as of September 30, 2022 are as follows:

(in thousands)	Amortized Cost		Unrealized Gain		Unrealized Loss		Fair Value
Short-term investments:
Corporate debt securities and commercial paper	$	43,318	$	—	$	(156)	$	43,162
U.S. treasury securities and government agency obligations	25,999		—		(323)		25,676
Total investments	$	69,317	$	—	$	(479)	$	68,838

The amortized cost, including interest receivable, unrealized gains and losses and fair value of investments available-for-sale as of December 31, 2021 are as follows:

(in thousands)	Amortized Cost		Unrealized Gain		Unrealized Loss		Fair Value
Short-term investments:
Corporate debt securities and commercial paper	$	75,896	$	—	$	(26)	$	75,870
Long-term investments:
US government obligations	16,024		—		(60)		15,964
Corporate debt securities and commercial paper	8,023		—		(23)		8,000
Total investments	$	99,943	$	—	$	(109)	$	99,834