Annual report pursuant to Section 13 and 15(d)


Cover - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2021
Feb. 28, 2022
Jun. 30, 2021
Cover [Abstract]      
Document Type 10-K    
Document Annual Report true    
Document Period End Date Dec. 31, 2021    
Current Fiscal Year End Date --12-31    
Document Transition Report false    
Entity File Number 000-3676    
Entity Registrant Name VSE CORPORATION    
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 Well-known Seasoned Issuer No    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Interactive Data Current Yes    
Entity Filer Category Accelerated Filer    
Entity Small Business false    
Entity Emerging Growth Company false    
ICFR Auditor Attestation Flag true    
Entity Shell Company false    
Entity Public Float     $ 521
Entity Common Stock, Shares Outstanding (in shares)   12,737,859  
Documents Incorporated by Reference Portions of Registrant's definitive proxy statement for the Annual Meeting of Stockholders expected to be held on May 4, 2022, which is expected to be filed with the Securities and Exchange Commission on or about April 2, 2022, have been incorporated herein by reference into Part III of this report.    
Entity Central Index Key 0000102752    
Document Fiscal Year Focus 2021    
Document Fiscal Period Focus FY    
Amendment Flag false