| Document and Entity Information Document | Jul. 20, 2022 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Document Period End Date | Jul. 20, 2022 |
| Entity Registrant Name | VSE CORP |
| Entity Incorporation, State or Country Code | DE |
| Entity File Number | 000-03676 |
| Entity Central Index Key | 0000102752 |
| Current Fiscal Year End Date | --12-31 |
| Amendment Flag | false |
| 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 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Title of 12(b) Security | Common Stock, par value $.05 per share |
| Trading Symbol | VSEC |
| Security Exchange Name | NASDAQ |
| Entity Emerging Growth Company | false |
