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Financial Instruments - Summary of Financial Instruments (Detail) - USD ($) $ in Thousands | Jun. 30, 2024 | Dec. 31, 2023
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Derivative Instruments And Hedging Activities Disclosures [Line Items] |  |
Short-term investments, Carrying Amount |  | $ 207,434
Short-term investments, Estimated Fair Value |  | 207,000
Senior Notes |  |
Derivative Instruments And Hedging Activities Disclosures [Line Items] |  |
Carrying Amount | $ 478,000 | 575,000
Estimated Fair Value | $ 459,000 | $ 543,000

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- Definition Including the current and noncurrent portions, carrying value as of the balance sheet date of Notes with the highest claim on the assets of the issuer in case of bankruptcy or liquidation (with maturities initially due after one year or beyond the operating cycle if longer). Senior note holders are paid off in full before any payments are made to junior note holders. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 942 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478546/942-210-S99-1 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 944 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(16)(a)(2)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478777/944-210-S99-1 + Details
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