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Fair Value Measurements - Fair Value (Details) - USD ($) $ in Thousands | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | --- | ---
Fair Value Disclosure, Asset and Liability, Not Measured at Fair Value [Line Items] |  |  |
Total cash and cash equivalents | $ 257,222 | $ 221,859 | $ 304,320
Derivative liability, statement of financial position | Loan facility derivative liability, non-current | Loan facility derivative liability, non-current |
Fair Value, Measurements, Recurring |  |  |
Fair Value Disclosure, Asset and Liability, Not Measured at Fair Value [Line Items] |  |  |
Cash | $ 6,609 | $ 8,870 |
Cash equivalents | 250,613 | 212,989 |
Total cash and cash equivalents | 257,222 | 221,859 |
Loan facility derivative liability | 1,886 | 1,779 |
Level 1 | Fair Value, Measurements, Recurring |  |  |
Fair Value Disclosure, Asset and Liability, Not Measured at Fair Value [Line Items] |  |  |
Cash | 6,609 | 8,870 |
Cash equivalents | 250,613 | 212,989 |
Total cash and cash equivalents | 257,222 | 221,859 |
Loan facility derivative liability | 0 | 0 |
Level 2 | Fair Value, Measurements, Recurring |  |  |
Fair Value Disclosure, Asset and Liability, Not Measured at Fair Value [Line Items] |  |  |
Cash | 0 | 0 |
Cash equivalents | 0 | 0 |
Total cash and cash equivalents | 0 | 0 |
Loan facility derivative liability | 0 | 0 |
Level 3 | Fair Value, Measurements, Recurring |  |  |
Fair Value Disclosure, Asset and Liability, Not Measured at Fair Value [Line Items] |  |  |
Cash | 0 | 0 |
Cash equivalents | 0 | 0 |
Total cash and cash equivalents | 0 | 0 |
Loan facility derivative liability | $ 1,886 | $ 1,779 |

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