Annual report pursuant to Section 13 and 15(d)

PROPERTY AND EQUIPMENT, NET (Details)

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PROPERTY AND EQUIPMENT, NET (Details) - USD ($)
$ in Thousands
Dec. 31, 2023
Dec. 31, 2022
Property, Plant and Equipment    
Property and equipment, gross $ 54,719 $ 34,473
Less accumulated depreciation (27,027) (21,835)
Property and equipment, net 27,692 12,638
Tooling and equipment    
Property, Plant and Equipment    
Property and equipment, gross 16,024 14,649
Furniture and other equipment    
Property, Plant and Equipment    
Property and equipment, gross $ 12,076 10,090
Useful life (in years) 5 years  
Computer software    
Property, Plant and Equipment    
Property and equipment, gross $ 2,374 2,152
Useful life (in years) 5 years  
Leasehold improvements    
Property, Plant and Equipment    
Property and equipment, gross $ 16,269 7,390
Equipment under capital lease    
Property, Plant and Equipment    
Property and equipment, gross $ 192 $ 192
Useful life (in years) 5 years  
Flight equipment held for R&D    
Property, Plant and Equipment    
Property and equipment, gross $ 7,784  
Useful life (in years) 2 years  
Minimum    
Property, Plant and Equipment    
Useful life (in years) 2 years  
Minimum | Tooling and equipment    
Property, Plant and Equipment    
Useful life (in years) 7 years  
Minimum | Leasehold improvements    
Property, Plant and Equipment    
Useful life (in years) 3 years  
Maximum    
Property, Plant and Equipment    
Useful life (in years) 15 years  
Maximum | Tooling and equipment    
Property, Plant and Equipment    
Useful life (in years) 15 years  
Maximum | Leasehold improvements    
Property, Plant and Equipment    
Useful life (in years) 10 years