v3.26.1
Cover - shares
 3 Months Ended
Mar. 31, 2026
May 05, 2026
Document Information [Line Items]    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Mar. 31, 2026  
Document Transition Report false  
Entity File Number 000-03676  
Entity Registrant Name VSE CORPORATION  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 54-0649263  
Entity Address, Address Line One 3361 Enterprise Way  
Entity Address, City or Town Miramar,  
Entity Address, State or Province FL  
Entity Address, Postal Zip Code 33025  
City Area Code 954  
Local Phone Number 430-6600  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Large Accelerated Filer  
Entity Small Business false  
Entity Emerging Growth Company false  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding (in shares)   28,057,152
Entity Central Index Key 0000102752  
Current Fiscal Year End Date --12-31  
Document Fiscal Year Focus 2026  
Document Fiscal Period Focus Q1  
Amendment Flag false  
Common Stock, par value $0.05 per share    
Document Information [Line Items]    
Title of 12(b) Security Common Stock, par value $0.05 per share  
Trading Symbol VSEC  
Security Exchange Name NASDAQ  
Tangible Equity Units    
Document Information [Line Items]    
Title of 12(b) Security 5.750% Tangible Equity Units  
Trading Symbol VSECU  
Security Exchange Name NASDAQ