Fair Value Measurements - Narratives (Details) - USD ($) |
Mar. 31, 2024 |
Dec. 31, 2023 |
|---|---|---|
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||
| Restricted cash | $ 7,400,000 | |
| Amortized cost of available-for-sale investments with maturities less than one year | 1,104,900,000 | $ 1,185,100,000 |
| Amortized cost of available-for-sale investments with maturities greater than one year | 357,800,000 | 399,700,000 |
| Net (loss) gain on investments, net of tax | (900,000) | 2,000,000 |
| Convertible Debt | 2026 Notes | ||
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||
| Debt instrument, fair value | 1,213,400,000 | |
| Money market funds | ||
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||
| Unrealized gain | 0 | 0 |
| Unrealized loss | $ 0 | $ 0 |
| X | ||||||||||
- Definition Cash And Cash Equivalents, Accumulated Gross Unrealized Gain, Before Tax No definition available.
|
| X | ||||||||||
- Definition Cash And Cash Equivalents, Accumulated Gross Unrealized Loss, Before Tax No definition available.
|
| X | ||||||||||
- Definition Debt Securities, Available-For-Sale, Maturity, Allocated And Single Maturity Date, After One Year, Amortized Cost No definition available.
|
| X | ||||||||||
- Definition Amount, after tax, of accumulated 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). Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Fair value portion of debt instrument payable, including, but not limited to, notes payable and loans payable. Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
| X | ||||||||||
- 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.
|
| X | ||||||||||
- Definition Amount of cash restricted as to withdrawal or usage. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|