Divestiture Of Business, Monthly Transaction Fees

No definition available.

Name:	kvhi_DivestitureOfBusinessMonthlyTransactionFees
Namespace Prefix:	kvhi_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Divestiture Of Business, Transition Support Service, Extension Period

+ References

No definition available.

+ Details

Name:	kvhi_DivestitureOfBusinessTransitionSupportServiceExtensionPeriod
Namespace Prefix:	kvhi_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Divestiture Of Business, Transition Support Service Number Of Extensions

+ References

No definition available.

+ Details

Name:	kvhi_DivestitureOfBusinessTransitionSupportServiceNumberOfExtensions
Namespace Prefix:	kvhi_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Divestiture Of Business, Transition Support Services

+ References

No definition available.

+ Details

Name:	kvhi_DivestitureOfBusinessTransitionSupportServices
Namespace Prefix:	kvhi_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Divestiture Of Businesses, Deliverable At Sale

+ References

No definition available.

+ Details

Name:	kvhi_DivestitureOfBusinessesDeliverableAtSale
Namespace Prefix:	kvhi_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

Name:	us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- 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
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 12
-Subparagraph (b)
-URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3179-108585

+ Details

Name:	us-gaap_ProceedsFromDivestitureOfBusinesses
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

+ References

No definition available.

+ Details

Name:	us-gaap_PropertyPlantAndEquipmentUsefulLife
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis=kvhi_IntertialNavigationMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_StatementBusinessSegmentsAxis=kvhi_IntertialNavigationMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Description of Business (Details) $ in Thousands		9 Months Ended
Description of Business (Details) $ in Thousands	Aug. 09, 2022 USD ($) extensionOption	Sep. 30, 2022 USD ($)	Sep. 30, 2021 USD ($)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Leased assets, useful life		5 years
Intertial Navigation
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Proceeds from the sale of KVH Media Group Entertainment Limited, net of cash sold		$ 55,000	$ 0
Intertial Navigation \| Intertial Navigation
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Proceeds from the sale of KVH Media Group Entertainment Limited, net of cash sold	$ 55
Deliverable at sale	$ 1
Transition support service period	6 months
Transition support service, number of extensions \| extensionOption	2
Transition support service, extension period	3 months
Monthly transaction fees	$ 100