Convertible Senior Notes - Equity and Liability Components of Financing Arrangements (Details) - Convertible Notes - 2023 Convertible Senior Notes - USD ($) |
Dec. 31, 2022 |
Dec. 31, 2021 |
May 31, 2018 |
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| Notes Payable, Current and Noncurrent | |||
| Principal amount of 2023 Notes outstanding | $ 76,854,000 | $ 343,301,000 | $ 750,000,000 |
| Unamortized discount (including unamortized debt issuance cost) | (159,000) | (22,584,000) | |
| Total long-term portion of notes payable | 76,695,000 | 320,717,000 | |
| Fair value of convertible senior notes outstanding (Level 2) | $ 74,789,000 | $ 341,801,000 |
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- Definition Fair value portion of borrowing which can be exchanged for a specified number of another security at the option of the issuer or the holder, for example, but not limited to, the entity's common stock. No definition available.
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- Definition Face (par) amount of debt instrument at time of issuance. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount, after accumulated amortization, of debt discount. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Carrying value as of the balance sheet date of notes payable (with maturities initially due after one year or beyond the operating cycle if longer), excluding current portion. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- References No definition available.
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