Convertible Senior Notes - Carrying Value of Convertible Senior Notes (Detail) - USD ($) $ in Thousands |
Sep. 30, 2026 |
Dec. 31, 2025 |
Dec. 14, 2023 |
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| 1.00% Convertible Senior Notes due 2028: | |||
| Carrying amount - Convertible Senior Notes due 2028, net | $ 555,596 | $ 542,213 | |
| 1.00% Convertible Senior Notes due 2028 | |||
| 1.00% Convertible Senior Notes due 2028: | |||
| Principal amount | 600,000 | 600,000 | $ 600,000 |
| Unamortized debt discount | (40,605) | (52,726) | |
| Unamortized debt issuance costs | (3,799) | (5,061) | |
| Carrying amount - Convertible Senior Notes due 2028, net | $ 555,596 | $ 542,213 |
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- Definition Face (par) amount of debt instrument at time of issuance. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount, after accumulated amortization, of debt discount. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- References No definition available.
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- Definition Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Details
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