Annual report pursuant to Section 13 and 15(d)

Business Segments and Customer Information - Segment Information (Details)

v3.22.4
Business Segments and Customer Information - Segment Information (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Segment Reporting Information [Line Items]      
Revenues $ 949,762 $ 750,853 $ 661,659
Operating income 55,131 21,520 13,923
Total assets 999,789 918,558  
Aviation      
Segment Reporting Information [Line Items]      
Revenues 408,112 247,852 165,070
Fleet      
Segment Reporting Information [Line Items]      
Revenues 261,336 233,532 242,170
Federal and Defense      
Segment Reporting Information [Line Items]      
Revenues 280,314 269,469 254,419
Operating Segments      
Segment Reporting Information [Line Items]      
Revenues 949,762 750,853 661,659
Operating income 55,131 21,520 13,923
Depreciation and amortization 25,570 25,600 24,135
Capital expenditures 12,651 10,520 4,427
Total assets 999,789 918,558  
Operating Segments | Aviation      
Segment Reporting Information [Line Items]      
Revenues 408,112 247,852 165,070
Operating income 36,416 (14,373) (35,513)
Depreciation and amortization 13,174 11,374 10,874
Capital expenditures 5,961 7,468 3,445
Total assets 637,615 580,156  
Operating Segments | Fleet      
Segment Reporting Information [Line Items]      
Revenues 261,336 233,532 242,170
Operating income 23,911 20,426 26,659
Depreciation and amortization 8,783 9,679 10,260
Capital expenditures 5,502 1,669 675
Total assets 218,138 182,089  
Operating Segments | Federal and Defense      
Segment Reporting Information [Line Items]      
Revenues 280,314 269,469 254,419
Operating income (805) 19,897 26,309
Depreciation and amortization 3,613 4,547 3,001
Capital expenditures 26 124 148
Total assets 93,728 92,571  
Operating Segments | Corporate      
Segment Reporting Information [Line Items]      
Total assets 50,308 63,742  
Corporate, Non-Segment      
Segment Reporting Information [Line Items]      
Operating income (4,391) (4,430) (3,532)
Capital expenditures $ 1,162 $ 1,259 $ 159