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Fair Value - Change in Fair Value of Derivative Warrant Liabilities (Details) - USD ($) $ in Thousands | 3 Months Ended
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Mar. 31, 2024 | Mar. 31, 2023
FPA Put Option |  |
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |
Beginning balance | $ (37,523) | $ 0
(Loss) gain recognized in other expense, net on the condensed consolidated statement of operations and comprehensive loss | (12,669) | (44,593)
Ending balance | (50,192) | (44,593)
Fixed Maturity Consideration |  |
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |
Beginning balance | (7,228) | 0
(Loss) gain recognized in other expense, net on the condensed consolidated statement of operations and comprehensive loss | (376) | (6,967)
Ending balance | (7,604) | (6,967)
Shortfall Warrants |  |
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |
Beginning balance |  | 0
(Loss) gain recognized in other expense, net on the condensed consolidated statement of operations and comprehensive loss |  | (5,104)
Ending balance |  | (5,104)
Warrants |  |
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |
Beginning balance |  | (2,119)
(Loss) gain recognized in other expense, net on the condensed consolidated statement of operations and comprehensive loss |  | (3,770)
Conversion of warrants to preferred shares |  | 5,889
Ending balance |  | 0
AM SAFE liability |  |
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |
Beginning balance |  | (28,986)
(Loss) gain recognized in other expense, net on the condensed consolidated statement of operations and comprehensive loss |  | (744)
Conversion of SAFE liability to equity classification |  | 29,730
Ending balance |  | 0
AM SAFE warrant |  |
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |
Beginning balance |  | (1,989)
(Loss) gain recognized in other expense, net on the condensed consolidated statement of operations and comprehensive loss |  | 189
Reclassification of warrant to equity |  | 1,800
Ending balance |  | 0
Brookfield SAFE |  |
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |
Beginning balance | (25,150) | (50,000)
(Loss) gain recognized in other expense, net on the condensed consolidated statement of operations and comprehensive loss | 9,675 | 30,600
Ending balance | (15,475) | (19,400)
Private placement warrants |  |
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |
Beginning balance | (3,914) | 0
Recognized as a result of the Business Combination |  | (2,148)
(Loss) gain recognized in other expense, net on the condensed consolidated statement of operations and comprehensive loss | 1,766 | (477)
Ending balance | $ (2,148) | $ (2,625)

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- Definition Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Conversion of AM SAFE Warrant To Equity Classification + References No definition available. + Details
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- Definition Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Conversion of SAFE liability + References No definition available. + Details
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- Definition Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Recognized As A Result Of The Business Combination + References No definition available. + Details
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- Definition Amount of gain (loss) recognized in income from liability measured at fair value on recurring basis using unobservable input (level 3). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482106/820-10-50-2 + Details
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