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Acquisitions - Narrative (Details) - USD ($) $ in Thousands |  |  |  |  | 3 Months Ended | 6 Months Ended
--- | --- | --- | --- | --- | --- | ---
Apr. 24, 2024 | Sep. 27, 2023 | Jul. 03, 2023 | Feb. 01, 2023 | Jun. 30, 2024 | Jun. 30, 2024 | Jun. 30, 2023
Business Acquisition [Line Items] |  |  |  |  |  |  |
Decrease in goodwill |  |  |  |  |  | $ 1,739 |
Turbine Controls, Inc. ("TCI") |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Consideration transferred | $ 122,200 |  |  |  |  |  |
Purchase price | 113,700 |  |  |  |  |  |
Working capital adjustment | 1,570 |  |  |  |  |  |
Acquisition related expenses |  |  |  |  | $ 500 | 2,000 |
Revenues |  |  |  |  | 23,500 | 23,500 |
Operating income |  |  |  |  | 1,800 | $ 1,800 |
Measurement period adjustments, increase in purchase price | 10,000 |  |  |  |  |  |
Turbine Controls, Inc. ("TCI") | Common Stock |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Share consideration, VSE common stock | $ 10,000 |  |  |  |  |  |
Turbine Controls, Inc. ("TCI") | Customer Relationships |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Useful life (in years) |  |  |  |  |  | 10 years |
Precision Fuel |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Purchase price |  |  |  | $ 11,700 |  |  |
Acquisition related expenses |  |  |  |  |  |  | $ 200
Desser Aerospace |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Consideration transferred |  |  | $ 99,700 |  |  |  |
Purchase price |  |  | 133,700 |  |  |  |
Working capital adjustment |  |  | 9,500 |  |  |  |
Acquisition related expenses |  |  |  |  | $ 600 | $ 1,700 |
Measurement period adjustments, increase in purchase price |  |  | (2,170) |  |  |  |
Measurement period adjustments, increase in inventories |  |  |  |  |  | 100 |
Adjustment to deferred tax liabilities |  |  |  |  |  | 1,600 |
Decrease in goodwill |  |  |  |  |  | $ 1,700 |
Desser Aerospace | Customer Relationships |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Useful life (in years) |  |  |  |  |  | 8 years 3 months 18 days |
Loar |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Consideration transferred |  |  | 31,800 |  |  |  |
Working capital adjustment |  |  | $ 1,800 |  |  |  |
Honeywell International |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Consideration transferred |  | $ 105,000 |  |  |  |  |

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