Annual report [Section 13 and 15(d), not S-K Item 405]

Acquisitions - Narrative (Details)

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Acquisitions - Narrative (Details) - USD ($)
$ in Thousands
 1 Months Ended 3 Months Ended 12 Months Ended
Dec. 03, 2024
Apr. 24, 2024
Sep. 27, 2023
Jul. 03, 2023
Feb. 01, 2023
Dec. 31, 2024
Sep. 30, 2024
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Business Acquisition [Line Items]                    
Goodwill           $ 491,453   $ 491,453 $ 351,781 $ 217,262
Measurement period adjustments               (1,132)    
Propriety Solutions                    
Business Acquisition [Line Items]                    
Consideration on disposal       $ 31,800            
Turbine Controls, Inc. ("TCI")                    
Business Acquisition [Line Items]                    
Consideration transferred   $ 122,400                
Purchase price   112,400                
Business combination, working capital adjustment   1,500                
Acquisition-related expenses               2,200    
Revenue               84,400    
Operating income               $ 7,100    
Goodwill   40,201                
Turbine Controls, Inc. ("TCI") | Customer Relationships                    
Business Acquisition [Line Items]                    
Useful life (in years)               10 years    
Turbine Controls, Inc. ("TCI") | Common Stock                    
Business Acquisition [Line Items]                    
Share consideration, VSE common stock   $ 10,000                
Kellstrom Aerospace Group, Inc                    
Business Acquisition [Line Items]                    
Consideration transferred $ 191,000                  
Purchase price 170,800                  
Acquisition-related expenses               $ 2,700    
Revenue           17,000        
Operating income           $ 1,200        
Goodwill 100,711                  
Kellstrom Aerospace Group, Inc | Customer Relationships                    
Business Acquisition [Line Items]                    
Useful life (in years)               8 years    
Kellstrom Aerospace Group, Inc | Common Stock                    
Business Acquisition [Line Items]                    
Share consideration, VSE common stock $ 20,300                  
Precision Fuel                    
Business Acquisition [Line Items]                    
Purchase price         $ 11,700          
Acquisition-related expenses                 200  
Desser Aerospace                    
Business Acquisition [Line Items]                    
Consideration transferred       99,700            
Purchase price       131,500            
Acquisition-related expenses                 3,200  
Goodwill       $ 53,942            
Measurement Period Adjustments, Deferred tax liabilities               $ 1,600    
Measurement period adjustments               (1,700)    
Increase (decrease) inventories               $ 100    
Desser Aerospace | Customer Relationships                    
Business Acquisition [Line Items]                    
Useful life (in years)               8 years 3 months 18 days    
Honeywell International                    
Business Acquisition [Line Items]                    
Consideration transferred     $ 105,000              
Acquisition-related expenses                 $ 300  
Goodwill     $ 74,586              
Measurement period adjustments             $ (500)      
Decrease in other tangible assets             $ (500)      
Honeywell International | Customer Relationships                    
Business Acquisition [Line Items]                    
Finite-lived intangible assets, remaining amortization period (in years)     10 years