Marketable Securities - Summary of Marketable Securities (Details) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
Sep. 30, 2023	Dec. 31, 2022
Amortized Cost	$ 83,065	$ 280,187
Unrealized Gains	8	52
Unrealized Losses	(10)	(324)
Fair Value	83,063	279,915
U.S. Treasury Securities [Member]
Amortized Cost	12,988	107,973
Unrealized Gains	0	13
Unrealized Losses	(1)	(115)
Fair Value	12,987	107,871
Federal Agency Securities [Member]
Amortized Cost	70,077	172,214
Unrealized Gains	8	39
Unrealized Losses	(9)	(209)
Fair Value	$ 70,076	$ 172,044

The aggregate amount of recurring noncash expense charged against earnings in the period to allocate the cost of assets over their estimated remaining economic lives.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 45
-Paragraph 28
-Subparagraph (b)
-SubTopic 10
-Topic 230
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482740/230-10-45-28

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (a)(2)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482665/350-30-50-2

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