Quarterly report pursuant to Section 13 or 15(d)

PROPERTY AND EQUIPMENT (Details)

v3.21.2
PROPERTY AND EQUIPMENT (Details) - USD ($)
$ in Thousands
Sep. 30, 2021
Dec. 31, 2020
Property, Plant and Equipment [Line Items]    
Property, plant and equipment, gross $ 528,821 $ 511,967
Less: Accumulated depreciation and amortization (214,835) (188,877)
Total 313,986 323,090
Aircraft    
Property, Plant and Equipment [Line Items]    
Property, plant and equipment, gross 475,769 473,509
Software development costs    
Property, Plant and Equipment [Line Items]    
Property, plant and equipment, gross 32,129 22,414
Leasehold improvements    
Property, Plant and Equipment [Line Items]    
Property, plant and equipment, gross 11,703 9,560
Computer equipment    
Property, Plant and Equipment [Line Items]    
Property, plant and equipment, gross 2,147 1,846
Buildings and improvements    
Property, Plant and Equipment [Line Items]    
Property, plant and equipment, gross 1,424 1,424
Furniture and fixtures    
Property, Plant and Equipment [Line Items]    
Property, plant and equipment, gross 1,959 1,321
Tooling    
Property, Plant and Equipment [Line Items]    
Property, plant and equipment, gross 2,890 1,296
Vehicles    
Property, Plant and Equipment [Line Items]    
Property, plant and equipment, gross $ 800 $ 597