Marketable securities - Summary of Marketable securities (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Marketable Securities [Line Items]
Marketable Securities, Amortized Cost	$ 63,932	$ 117,214
Marketable Securities, Unrealized Loss	(598)	(1,175)
Marketable Securities, Fair Value	63,334	116,039
Corporate Bonds
Marketable Securities [Line Items]
Marketable Securities, Amortized Cost	5,317	34,662
Marketable Securities, Unrealized Loss	(15)	(135)
Marketable Securities, Fair Value	5,302	34,527
Commercial Paper
Marketable Securities [Line Items]
Marketable Securities, Amortized Cost	3,990	8,019
Marketable Securities, Unrealized Loss	(12)	(41)
Marketable Securities, Fair Value	3,978	7,978
US Government Debt Securities
Marketable Securities [Line Items]
Marketable Securities, Amortized Cost	54,625	74,533
Marketable Securities, Unrealized Loss	(571)	(999)
Marketable Securities, Fair Value	$ 54,054	$ 73,534

Amount, before tax, of unrealized loss in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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-Topic 320
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-Section 50
-Paragraph 2
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Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI https://asc.fasb.org/extlink&oid=126970911&loc=d3e27161-111563

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), classified as current.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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-URI https://asc.fasb.org/extlink&oid=124258926&loc=SL82898722-210454

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