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Debt - Interest Expense Related to 2025 Notes (Details) - 2025 Notes [Member] - Convertible Debt [Member] - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2024 | Sep. 30, 2023 | Sep. 30, 2024 | Sep. 30, 2023
Short-Term Debt [Line Items] |  |  |  |
Contractual interest expense | $ 879 | $ 1,315 | $ 3,499 | $ 3,946
Amortization of debt discount | 138 | 207 | 550 | 621
Amortization of debt issuance costs | 110 | 165 | 438 | 494
Total interest expense | $ 1,127 | $ 1,687 | $ 4,487 | $ 5,061

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