VSE Corporation Quarterly report [Sections 13 or 15(d)]

Fair Value Measurements - Financial Assets and Liabilities (Details) - USD ($) $ in Thousands	Mar. 31, 2026	Dec. 31, 2025
Level 1 \| Other assets
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Non-COLI assets held in Deferred Supplemental Compensation Plan	$ 699	$ 704
Level 2 \| Accrued expenses and other current liabilities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest rate swaps - long-term	271	553
Level 2 \| Other assets
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest rate swaps - long-term	$ 1,831	$ 1,235