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v3.25.0.1

401(k) Plan (Details) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023
Retirement Benefits [Abstract] |  |
Employer matching contribution, percent | 6.00% |
Vesting period | 5 years |
Employer matching contribution, amount | $ 351,000 | $ 459,000
Discretionary contributions | $ 0 | $ 0

X
- Definition Defined Contribution Plan, Employer Matching Contribution, Amount + References No definition available. + Details
Name: | kvhi_DefinedContributionPlanEmployerMatchingContributionAmount
Namespace Prefix: | kvhi_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition Defined Contribution Plan, Vesting Period + References No definition available. + Details
Name: | kvhi_DefinedContributionPlanVestingPeriod
Namespace Prefix: | kvhi_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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- References No definition available. + Details
Name: | us-gaap_CompensationAndRetirementDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Amount of discretionary contributions made by an employer to a defined contribution plan. + References No definition available. + Details
Name: | us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition Percentage of employees' gross pay for which the employer contributes a matching contribution to a defined contribution plan. + References No definition available. + Details
Name: | us-gaap_DefinedContributionPlanEmployerMatchingContributionPercent
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration