Quarterly report pursuant to Section 13 or 15(d)

Document and Entity Information

Document and Entity Information - shares
9 Months Ended
Sep. 30, 2020
Oct. 22, 2020
Cover [Abstract]    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Sep. 30, 2020  
Document Fiscal Year Focus 2020  
Document Fiscal Period Focus Q3  
Amendment Flag false  
Entity File Number 000-03676  
Document Transition Report false  
Entity Registrant Name VSE CORP  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 54-0649263  
Entity Address, Address Line One 6348 Walker Lane  
Entity Address, City or Town Alexandria,  
Entity Address, State or Province VA  
Entity Address, Postal Zip Code 22310  
City Area Code 703  
Local Phone Number 960-4600  
Title of 12(b) Security Common Stock, par value $0.05 per share  
Trading Symbol VSEC  
Security Exchange Name NASDAQ  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Accelerated Filer  
Entity Small Business false  
Entity Emerging Growth Company false  
Entity Central Index Key 0000102752  
Current Fiscal Year End Date --12-31  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding (in shares)   11,050,996