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Marketable Debt and Equity Securities - Unrealized Losses (Details) - USD ($) $ in Thousands | Jun. 30, 2024 | Dec. 31, 2023
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Schedule of Available-for-sale Securities |  |
Fair value, less than 12 months | $ 365,198 | $ 74,619
Unrealized losses, Less than 12 months | (349) | (77)
Fair value, 12 months or greater | 91,373 | 0
Unrealized losses, 12 months or greater | (304) | 0
Corporate Securities |  |
Schedule of Available-for-sale Securities |  |
Fair value, less than 12 months | 119,044 | 8,073
Unrealized losses, Less than 12 months | (217) | (1)
Fair value, 12 months or greater | 11,895 | 0
Unrealized losses, 12 months or greater | (62) | 0
Government Securities |  |
Schedule of Available-for-sale Securities |  |
Fair value, less than 12 months | 246,154 | 66,546
Unrealized losses, Less than 12 months | (132) | (76)
Fair value, 12 months or greater | 79,478 | 0
Unrealized losses, 12 months or greater | $ (242) | $ 0

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- Definition Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for more than 12 months, without allowance for credit loss. Includes beneficial interest in securitized financial asset. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 30 -Name Accounting Standards Codification -Section 55 -Paragraph 8 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479081/326-30-55-8 Reference 2: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 7 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-7 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479106/326-30-50-5 + Details
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- Definition Amount of accumulated unrealized loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for 12 months or longer, without allowance for credit loss. Includes beneficial interest in securitized financial asset. + References Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 7 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-7 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479106/326-30-50-5 + Details
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