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Segment Reporting (Details Textual) | 9 Months Ended
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Sep. 30, 2015 Products Segment
Segment Reporting (Textual) [Abstract] |
Number of geographical segments | 2
Number of primary products | Products | 2

X
- Definition Number of geographical segments. + References No definition available. + Details
Name: | kvhi_NumberOfGeographicalSegments
Namespace Prefix: | kvhi_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of primary products. + References No definition available. + Details
Name: | kvhi_NumberOfPrimaryProducts
Namespace Prefix: | kvhi_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Segment reporting. + References No definition available. + Details
Name: | kvhi_SegmentReportingTextualAbstract
Namespace Prefix: | kvhi_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration