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Share Buyback Program (Details)	3 Months Ended
	Mar. 31, 2013 Program	Nov. 26, 2008
Share Buyback Program (Textual) [Abstract]
Common stock available for repurchase	341,009	1,000,000
Number of other repurchase programs outstanding	0
Number of stock repurchase programs other expired	0

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- Details

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Namespace Prefix:	kvhi_
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- Definition

Stock repurchase program other expired number.

+ References

No definition available.

+ Details

Name:	kvhi_StockRepurchaseProgramOtherExpiredNumber
Namespace Prefix:	kvhi_
Data Type:	xbrli:integerItemType
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- Definition

Stock repurchase program other outstanding number.

+ References

No definition available.

+ Details

Name:	kvhi_StockRepurchaseProgramOtherOutstandingNumber
Namespace Prefix:	kvhi_
Data Type:	xbrli:integerItemType
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- Definition

The number of shares authorized to be repurchased by an entity's Board of Directors under a stock repurchase plan.

+ References

No definition available.

+ Details

Name:	us-gaap_StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased
Namespace Prefix:	us-gaap_
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