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Marketable Securities - Schedule of Marketable Securities (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Marketable Securities
Amortized Cost	$ 203,205	$ 302,133
Gross Unrealized Gains	0	43
Gross Unrealized Losses	(270)	(1,051)
Fair Value	202,935	301,125
U.S. Treasury securities
Marketable Securities
Amortized Cost	159,288	219,895
Gross Unrealized Gains	0	10
Gross Unrealized Losses	(238)	(801)
Fair Value	159,050	219,104
U.S. Agency securities
Marketable Securities
Amortized Cost	29,352	19,247
Gross Unrealized Gains	0	19
Gross Unrealized Losses	(22)	(2)
Fair Value	29,330	19,264
Certificates of deposit
Marketable Securities
Amortized Cost	3,365	26,624
Gross Unrealized Gains	0	4
Gross Unrealized Losses	0	(119)
Fair Value	3,365	26,509
Corporate debt securities
Marketable Securities
Amortized Cost	1,687	13,934
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(3)	(86)
Fair Value	1,684	13,848
Commercial paper
Marketable Securities
Amortized Cost	9,513	22,433
Gross Unrealized Gains	0	10
Gross Unrealized Losses	(7)	(43)
Fair Value	$ 9,506	$ 22,400

X

- Definition

Amount, before tax, of unrealized gain 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).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 320
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (b)
-Publisher FASB
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+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 320
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-Name Accounting Standards Codification
-Section 50
-Paragraph 2
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-Publisher FASB
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+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 944
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(1))
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
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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.

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-SubTopic 10
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