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Business and Credit Concentrations (Details)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Net sales to foreign customers outside the U.S. and Canada
Schedule of significant portions of the Company's net sales
Net sales, percentage	33.00%us-gaap_ConcentrationRiskPercentage1 / us-gaap_MajorCustomersAxis = kvhi_NetSalesToForeignCustomersOutsideUsAndCanadaMember	37.00%us-gaap_ConcentrationRiskPercentage1 / us-gaap_MajorCustomersAxis = kvhi_NetSalesToForeignCustomersOutsideUsAndCanadaMember	40.00%us-gaap_ConcentrationRiskPercentage1 / us-gaap_MajorCustomersAxis = kvhi_NetSalesToForeignCustomersOutsideUsAndCanadaMember
Net sales to SANG
Schedule of significant portions of the Company's net sales
Net sales, percentage		12.00%us-gaap_ConcentrationRiskPercentage1 / us-gaap_MajorCustomersAxis = kvhi_UnitedStatesArmyProgramOfficeSaudiArabianNationalGuardMember	11.00%us-gaap_ConcentrationRiskPercentage1 / us-gaap_MajorCustomersAxis = kvhi_UnitedStatesArmyProgramOfficeSaudiArabianNationalGuardMember

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- Definition

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 825

-SubTopic 10

-Section 50

-Paragraph 21

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=35750535&loc=d3e13537-108611



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 275

-SubTopic 10

-Section 50

-Paragraph 20

-URI http://asc.fasb.org/extlink&oid=6927468&loc=d3e6404-108592



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-Publisher FASB

-Name Accounting Standards Codification

-Topic 825

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-Section 50

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-URI http://asc.fasb.org/extlink&oid=35750535&loc=d3e13531-108611



Reference 4: http://www.xbrl.org/2003/role/presentationRef

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-Name Accounting Standards Codification

-Topic 275

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-Section 50

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-URI http://asc.fasb.org/extlink&oid=6927468&loc=d3e6351-108592

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