| Cover | May 10, 2022 | Mar. 31, 2022 |
| Cover [Abstract] | ||
| Document Type | 8-K | |
| Document Period End Date | May 10, 2022 | |
| Entity Registrant Name | KVH Industries, Inc. | |
| Entity Incorporation, State or Country Code | DE | |
| Entity File Number | 0-28082 | |
| Entity Tax Identification Number | 05-0420589 | |
| Entity Address, Address Line One | 50 Enterprise Center | |
| Entity Address, City or Town | Middletown | |
| Entity Address, State or Province | RI | |
| Entity Address, Postal Zip Code | 02842 | |
| City Area Code | 401 | |
| Local Phone Number | 847-3327 | |
| Security Exchange Name | NASDAQ | |
| Title of 12(b) Security | Common Stock, par value $0.01 per share | |
| Trading Symbol | KVHI | |
| Written Communications | false | |
| Soliciting Material | false | |
| Pre-commencement Tender Offer | false | |
| Pre-commencement Issuer Tender Offer | false | |
| Entity Emerging Growth Company | false | |
| Entity Central Index Key | 0001007587 | |
| Amendment Flag | false |
