VSE Corporation Annual report [Section 13 and 15(d), not S-K Item 405]

Fair Value Measurements - Financial Assets and Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024
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	$ 704	$ 629
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	553	0
Level 2 \| Other assets
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest rate swaps - long-term	$ 1,235	$ 4,093