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v3.25.0.1

Subsequent Events (Details) - USD ($) $ in Thousands |  | 12 Months Ended
--- | --- | ---
Feb. 17, 2025 | Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Subsequent Event [Line Items] |  |  |  |  |
Proceeds from the sale of business segment | [1] |  | $ 40,157 | $ 0 | $ 0
Fleet Sale | Subsequent Event | Disposed of by Sale |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |
Consideration on disposal |  | $ 230,000 |  |  |
Proceeds from the sale of business segment |  | 140,000 |  |  |
Sale of business segment, seller note |  | 25,000 |  |  |
Sale of business segment, earn-out payment |  | $ 65,000 |  |  |
[1] | (a) The cash flows related to discontinued operations and held-for-sale assets and liabilities have not been segregated and remain included in the major classes of assets and liabilities. Accordingly, the Consolidated Statements of Cash Flows include the results of continuing and discontinued operations.

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- Definition Amount of consideration received or receivable for the disposal of assets and liabilities, including discontinued operation. + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition The cash inflow associated with the amount received from the sale of a portion of the company's business, for example a segment, division, branch or other business, during the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-12 + Details
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- Definition Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 830 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481674/830-30-50-2 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 855 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147483399/855-10-50-2 + Details
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- Definition Disposal Group, Including Discontinued Operation, Consideration, Financing Receivable + References No definition available. + Details
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Namespace Prefix: | vsec_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition Disposal Group, Including Discontinued Operation, Contingent Consideration + References No definition available. + Details
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Namespace Prefix: | vsec_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Details
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- Details
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- Details
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