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Fair Value Measurement - Components of Available-for-sale Marketable Securities (Details) - USD ($) $ in Thousands | Mar. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Schedule of Available-for-sale Securities |  |
Amortized Cost | $ 298,983 | $ 217,475
Gross Unrealized Gains | 38 | 201
Gross Unrealized Losses | (197) | (46)
Estimated Fair Value | 298,824 | 217,630
Asset-backed securities |  |
Schedule of Available-for-sale Securities |  |
Amortized Cost | 2,384 | 3,512
Gross Unrealized Gains | 0 | 0
Gross Unrealized Losses | (5) | (8)
Estimated Fair Value | 2,379 | 3,504
Corporate debt securities |  |
Schedule of Available-for-sale Securities |  |
Amortized Cost | 43,118 | 6,022
Gross Unrealized Gains | 2 | 1
Gross Unrealized Losses | (64) | (10)
Estimated Fair Value | 43,056 | 6,013
U.S. treasury securities |  |
Schedule of Available-for-sale Securities |  |
Amortized Cost | 239,347 | 175,996
Gross Unrealized Gains | 36 | 200
Gross Unrealized Losses | (106) | (12)
Estimated Fair Value | 239,277 | 176,184
Agency bonds |  |
Schedule of Available-for-sale Securities |  |
Amortized Cost | 9,180 | 16,119
Gross Unrealized Gains | 0 | 0
Gross Unrealized Losses | (22) | (16)
Estimated Fair Value | 9,158 | 16,103
Commercial paper |  |
Schedule of Available-for-sale Securities |  |
Amortized Cost | 4,954 | 15,826
Gross Unrealized Gains | 0 | 0
Gross Unrealized Losses | 0 | 0
Estimated Fair Value | $ 4,954 | $ 15,826

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- 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 -URI https://asc.fasb.org//1943274/2147481800/320-10-50-2 + Details
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