Business and Credit Concentrations (Details Textual)	3 Months Ended
Mar. 31, 2014
Business and Credit Concentrations (Textual) [Abstract]
Business concentration risk percentage attributable to net sales	10.00%

Business concentration risk percentage attributable to net sales.

No definition available.

Name:	kvhi_BusinessConcentrationRiskPercentageAttributableToNetSales
Namespace Prefix:	kvhi_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration