Cash, cash equivalents, and short-term marketable securities (Tables)

6 Months Ended

Jun. 30, 2023

Investments, Debt and Equity Securities [Abstract]

Schedule of Restricted Cash

The following table summarizes the Company's cash, cash equivalents, and restricted cash as of June 30, 2023 and 2022.

	Six Months Ended June 30, 2023				Six Months Ended June 30, 2022
(in thousands)	Beginning of period		End of period		Beginning of period		End of period
Cash and cash equivalents	$	128,885	$	128,732	$	177,947	$	135,338
Restricted cash included in other assets, noncurrent	478		478		478		478
Total cash, cash equivalents and restricted cash per statement of cash flows	$	129,363	$	129,210	$	178,425	$	135,816

Debt Securities, Available-for-Sale

The following tables summarize the Company's marketable securities held at June 30, 2023 and December 31, 2022.

	June 30, 2023
(in thousands)	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value
Marketable securities
U.S. treasury securities	$	83,391	$	8	$	(37)	$	83,362
U.S. government agency securities	74,514		9		(29)		74,494
Total	$	157,905	$	17	$	(66)	$	157,856

	December 31, 2022
(in thousands)	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value
Marketable securities
U.S. treasury securities	$	107,964	$	7	$	(161)	$	107,810
U.S. government agency securities	44,016		24		(23)		44,017
Total	$	151,980	$	31	$	(184)	$	151,827