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Additional Balance Sheet Information - Narrative (Details) - USD ($)
$ in Thousands
Jun. 30, 2023
Dec. 31, 2022
Organization, Consolidation and Presentation of Financial Statements [Abstract]    
Payroll and employee benefits $ 4,428 $ 4,641
Engineering 3,759 4,377
Accrued capital expenditures $ 4,825 $ 7,748