XML 67 R57.htm IDEA: XBRL DOCUMENT
v3.19.1

Segment Reporting (Details Textual) | 3 Months Ended |
--- | --- | ---
Mar. 31, 2019 | Mar. 31, 2018 | Dec. 31, 2018
Mobile Connectivity | Mobile Comm Product Sales |  |  |
Segment Reporting Information [Line Items] |  |  |
Percent of Consolidated Net Sales | 18.00% | 20.00% |
Mobile Connectivity | VSAT Airtime Service Sales |  |  |
Segment Reporting Information [Line Items] |  |  |
Percent of Consolidated Net Sales | 46.00% | 41.00% |
Mobile Connectivity | Training and Content Sales |  |  |
Segment Reporting Information [Line Items] |  |  |
Percent of Consolidated Net Sales | 16.00% | 19.00% |
Intertial Navigation | FOG System Sales |  |  |
Segment Reporting Information [Line Items] |  |  |
Percent of Consolidated Net Sales | 13.00% |  |
Non-US |  |  |
Segment Reporting Information [Line Items] |  |  |
Percent of Consolidated Net Sales | 62.00% | 58.00% |
Percent of consolidated long-lived tangible assets (less than) | 10.00% |  | 10.00%

X
- Definition Percent of Consolidated Net Sales + References No definition available. + Details
Name: | kvhi_PercentofConsolidatedNetSales
Namespace Prefix: | kvhi_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percent of consolidated long-lived tangible assets + References No definition available. + Details
Name: | kvhi_Percentofconsolidatedlonglivedtangibleassets
Namespace Prefix: | kvhi_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- 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_SegmentReportingInformationLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=kvhi_MobileConnectivityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_SubsegmentsAxis=kvhi_MobileConnectivityProductSalesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_SubsegmentsAxis=kvhi_VSATAirtimeServiceSalesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_SubsegmentsAxis=kvhi_TrainingandContentSalesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

X
- Details
Name: | us-gaap_SubsegmentsAxis=kvhi_FOGSystemSalesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementGeographicalAxis=us-gaap_NonUsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |