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Fair Value Measurements and Hierarchy - Changes in Fair Value (Details) - Private Placement Warrants - USD ($)
$ in Thousands
9 Months Ended
Sep. 30, 2023
Sep. 30, 2022
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation    
Beginning balance $ 40 $ 502
Mark-to-market adjustment 11 (280)
Ending balance $ 51 $ 222