Marketable Securities - Additional Information (Detail) - USD ($) |
3 Months Ended | 6 Months Ended | |||
|---|---|---|---|---|---|
Jun. 30, 2024 |
Jun. 30, 2023 |
Jun. 30, 2024 |
Jun. 30, 2023 |
Dec. 31, 2023 |
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| Marketable Securities [Line Items] | |||||
| Marketable securities | $ 188,000,000 | $ 188,000,000 | $ 197,800,000 | ||
| Marketable securities unrealized loss, Less than twelve months | 995,500,000 | 995,500,000 | 463,500,000 | ||
| Marketable securities unrealized loss, more than twelve months | 229,200,000 | 229,200,000 | 138,400,000 | ||
| Marketable securities totaling | 11,216,000 | 11,216,000 | 1,973,000 | ||
| Marketable securities unrealized loss | 2,900,000 | 2,900,000 | |||
| Marketable securities unrealized gain | $ 1,900,000 | ||||
| Available-for-sale debt securities remaining maturities greater than thirty months | 0 | 0 | |||
| Other Comprehensive Income (Loss) [Member] | |||||
| Marketable Securities [Line Items] | |||||
| Unrealized loss, net | $ (1,300,000) | $ 500,000 | $ (4,800,000) | $ 6,700,000 | |
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- Definition Debt securities available for sale securities remaining maturity greater than three year. No definition available.
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- Definition Debt securities available for sale unrealized gain position. No definition available.
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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. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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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 less than 12 months, without allowance for credit loss. Includes beneficial interest in securitized financial asset. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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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 unrealized loss position without allowance for credit loss. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of investment in marketable security. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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- Definition Amount of investment in marketable security, classified as noncurrent. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount, after tax and adjustment, of unrealized gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale) and unrealized gain (loss) on investment in debt security measured at amortized cost (held-to-maturity) from transfer to available-for-sale. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Details
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