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
 12 Months Ended
Dec. 23, 2025
Dec. 18, 2025
Dec. 01, 2025
May 01, 2025
Dec. 03, 2024
Apr. 24, 2024
Sep. 27, 2023
Jul. 03, 2023
Feb. 01, 2023
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Business Combination [Line Items]                        
Cash consideration, net of cash acquired [1]                   $ 394,144 $ 283,122 $ 218,581
Goodwill                   641,242 428,263 288,591
Goodwill, measurement period adjustment, decrease                   16,781 1,132  
Propriety Solutions                        
Business Combination [Line Items]                        
Consideration on disposal               $ 31,800        
Aero 3, Inc                        
Business Combination [Line Items]                        
Cash consideration, net of cash acquired $ 346,400                      
Cash acquired from acquisition $ 1,400                      
Acquisition-related expenses                   4,000    
Property and equipment     $ 4,704                  
Goodwill     214,519                  
Intangible asset - customer related     94,000                  
Net assets acquired, excluding cash     $ 346,399                  
Aero 3, Inc | Customer Relationships                        
Business Combination [Line Items]                        
Useful life (in years)     12 years 1 month 6 days                  
PT6 Fuel Pumps License Agreement                        
Business Combination [Line Items]                        
Consideration transferred   $ 10,800                    
Property and equipment   2,100                    
Goodwill   $ 1,900                    
PT6 Fuel Pumps License Agreement | Customer Relationships                        
Business Combination [Line Items]                        
Useful life (in years)   16 years                    
Intangible asset - customer related   $ 6,800                    
Turbine Weld Industries, LLC                        
Business Combination [Line Items]                        
Cash acquired from acquisition       $ 900                
Acquisition-related expenses                   1,500    
Consideration transferred       49,900                
Property and equipment       12,600                
Goodwill       $ 13,300                
Turbine Weld Industries, LLC | Customer Relationships                        
Business Combination [Line Items]                        
Useful life (in years)       10 years                
Intangible asset - customer related       $ 24,000                
Kellstrom Aerospace Group, Inc                        
Business Combination [Line Items]                        
Cash consideration, net of cash acquired         $ 168,599              
Cash acquired from acquisition         10,600              
Acquisition-related expenses                   700 2,700  
Property and equipment         10,301              
Goodwill         83,922              
Intangible asset - customer related         41,900              
Net assets acquired, excluding cash         188,866              
Purchase price         168,600              
Goodwill, measurement period adjustment, decrease                   16,800    
Increase in deferred tax liabilities                   7,800    
Increase to inventories                   4,900    
Fair value step up to operating lease right-of-use assets                   2,300    
Working capital adjustment                   $ 2,200    
Kellstrom Aerospace Group, Inc | Customer Relationships                        
Business Combination [Line Items]                        
Useful life (in years)                   8 years    
Kellstrom Aerospace Group, Inc | Common Stock                        
Business Combination [Line Items]                        
VSE common stock, at fair value         $ 20,267              
Turbine Controls, Inc. ("TCI")                        
Business Combination [Line Items]                        
Cash consideration, net of cash acquired           $ 112,351            
Cash acquired from acquisition           1,200            
Acquisition-related expenses                     $ 2,200  
Consideration transferred           122,400            
Property and equipment           6,434            
Goodwill           40,201            
Intangible asset - customer related           59,000            
Net assets acquired, excluding cash           122,351            
Turbine Controls, Inc. ("TCI") | Customer Relationships                        
Business Combination [Line Items]                        
Useful life (in years)                   10 years    
Turbine Controls, Inc. ("TCI") | Common Stock                        
Business Combination [Line Items]                        
VSE common stock, at fair value           $ 10,000            
Honeywell International                        
Business Combination [Line Items]                        
Cash consideration, net of cash acquired             $ 105,000          
Acquisition-related expenses                       300
Consideration transferred             105,000          
Property and equipment             2,714          
Goodwill             74,586          
Intangible asset - customer related             $ 16,200          
Honeywell International | Customer Relationships                        
Business Combination [Line Items]                        
Finite-lived intangible assets, remaining amortization period (in years)             10 years          
Desser Aerospace                        
Business Combination [Line Items]                        
Cash consideration, net of cash acquired               101,870        
Acquisition-related expenses                       3,200
Consideration transferred               99,700        
Property and equipment               2,527        
Goodwill               53,942        
Intangible asset - customer related               21,950        
Net assets acquired, excluding cash               99,700        
Purchase price               $ 131,500        
Desser Aerospace | Customer Relationships                        
Business Combination [Line Items]                        
Useful life (in years)                   8 years 3 months 18 days    
Precision Fuel                        
Business Combination [Line Items]                        
Acquisition-related expenses                       $ 200
Purchase price                 $ 11,700      
[1]
(a) The cash flows related to discontinued operations and held-for-sale assets and liabilities have not been segregated and remain included in the major classes of assets and liabilities. Accordingly, the Consolidated Statements of Cash Flows include the results of continuing and discontinued operations. See Note (3) "Discontinued Operations".