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Fair Value Measurements - Fair Value of Assets and Liabilities (Details) - USD ($) $ in Thousands | Mar. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Earn-out liabilities | $ 36,629 | $ 14,032
Warrant liabilities | 38,312 | 11,294
Total liabilities measured at fair value | 74,941 | 25,326
Level 1 |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Total liabilities measured at fair value | 0 | 0
Level 2 |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Total liabilities measured at fair value | 0 | 0
Level 3 |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Total liabilities measured at fair value | 74,941 | 25,326
Fair Value, Recurring |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Earn-out liabilities | 36,629 | 14,032
Warrant liabilities | 38,312 | 11,294
Fair Value, Recurring | Series A Warrants |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Warrant liabilities | 21,792 | 8,612
Fair Value, Recurring | Series B Warrants |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Warrant liabilities | 16,520 | 2,682
Fair Value, Recurring | Level 1 |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Earn-out liabilities | 0 | 0
Warrant liabilities | 0 | 0
Fair Value, Recurring | Level 1 | Series A Warrants |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Warrant liabilities | 0 | 0
Fair Value, Recurring | Level 1 | Series B Warrants |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Warrant liabilities | 0 | 0
Fair Value, Recurring | Level 2 |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Earn-out liabilities | 0 | 0
Warrant liabilities | 0 | 0
Fair Value, Recurring | Level 2 | Series A Warrants |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Warrant liabilities | 0 | 0
Fair Value, Recurring | Level 2 | Series B Warrants |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Warrant liabilities | 0 | 0
Fair Value, Recurring | Level 3 |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Earn-out liabilities | 36,629 | 14,032
Warrant liabilities | 38,312 | 11,294
Fair Value, Recurring | Level 3 | Series A Warrants |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Warrant liabilities | 21,792 | 8,612
Fair Value, Recurring | Level 3 | Series B Warrants |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Warrant liabilities | $ 16,520 | $ 2,682

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