Fair value of financial instruments and investments - Convertible senior notes (Details) - 1.50% Convertible senior notes due 2026 - USD ($) |
Sep. 30, 2024 |
Dec. 31, 2023 |
Sep. 30, 2019 |
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Long-term debt | |||
Principal | $ 287,500,000 | $ 287,500,000 | |
Convertible debt | |||
Long-term debt | |||
Principal | $ 287,500,000 | ||
Interest rate ( as a percent ) | 1.50% | 1.50% | |
Convertible debt | Significant other observable inputs (Level 2) | |||
Long-term debt | |||
Fair value of convertible notes | $ 293,400,000 | $ 265,300,000 |
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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 Fair value portion of debt instrument payable, including, but not limited to, notes payable and loans payable. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Contractual interest rate for funds borrowed, under the debt agreement. 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. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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