Fair Value - Change in Fair Value of Derivative Warrant Liabilities (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022
FPA Put Option liability
Fair Value, Assets 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	(26,743)
Ending balance	(26,743)
Fixed Maturity Consideration
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	(6,737)
Ending balance	(6,737)
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	(3,063)
Conversion of warrant to equity classification	3,063
Ending balance	0
Warrants
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance	(2,119)	$ (1,145)
(Loss) gain recognized in other expense, net on the condensed consolidated statement of operations and comprehensive loss	(3,770)	(78)
Conversion of warrants to preferred shares	5,889
Ending balance	0	(1,223)
AM SAFE liability
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance	(28,986)	(28,271)
(Loss) gain recognized in other expense, net on the condensed consolidated statement of operations and comprehensive loss	(744)	1,062
Conversion of SAFE liability	29,730
Ending balance	0	(27,209)
AM SAFE warrant
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance	(1,989)	(1,729)
(Loss) gain recognized in other expense, net on the condensed consolidated statement of operations and comprehensive loss	189	(218)
Conversion of warrant to equity classification	1,800
Ending balance	0	$ (1,947)
Brookfield SAFE
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance	(50,000)
(Loss) gain recognized in other expense, net on the condensed consolidated statement of operations and comprehensive loss	15,850
Ending balance	(34,150)
Private placement warrants
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance	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	(3,199)
Ending balance	$ (5,347)