Summary of Significant Accounting Policies - Narrative (Details) shares in Thousands, $ in Thousands			12 Months Ended
	Oct. 11, 2022 USD ($)	Aug. 09, 2022 USD ($) extensionOption	Dec. 31, 2023 USD ($) reportableSegment satellite_hub shares	Dec. 31, 2022 USD ($) shares	Dec. 31, 2021 USD ($)
Accounting Policies [Line Items]
Total stockholders’ equity			$ 147,372	$ 158,438	$ 130,830
Number of countries in which entity operates | satellite_hub			150
Transition Services Agreement				923
Accrued employee benefits			$ 381
Marketable securities			58,477	55,680
Product warranty accrual			828	1,287	1,084
Advertising expense			580	482
Foreign currency exchange gains (losses)			$ (33)	$ 517
Antidilutive securities (in shares) | shares			1,419	1,359
Number of reportable segments | reportableSegment			1
Adjustment
Accounting Policies [Line Items]
Total stockholders’ equity				$ 1,782	1,900
As Reported
Accounting Policies [Line Items]
Total stockholders’ equity				156,656	$ 129,000
Chief Operating Officer
Accounting Policies [Line Items]
Annual base salary	$ 448
Base salary, percent of base salary, second half of year	80.00%
Retention bonus, percent of base salary	75.00%
Retention bonus, percent of highest base salary	75.00%
Chief Operating Officer | Restricted Stock And Non-Statutory Stock Options
Accounting Policies [Line Items]
Aggregate grant date fair value	$ 100
Intertial Navigation
Accounting Policies [Line Items]
Proceeds from the sale of KVH Media Group Entertainment Limited, net of cash sold			$ 0	$ 55,000
Intertial Navigation | Intertial Navigation
Accounting Policies [Line Items]
Proceeds from the sale of KVH Media Group Entertainment Limited, net of cash sold		$ 54,904
Transition support service period		6 months
Transition support service, number of extensions | extensionOption		2
Transition support service, extension period		3 months
Monthly transaction fees		$ 100
Contra-expense			$ 710
Revenue-generating assets
Accounting Policies [Line Items]
Useful lives			5 years
Motor vehicles
Accounting Policies [Line Items]
Useful lives			5 years
Minimum
Accounting Policies [Line Items]
Limited product warranty period			1 year
Minimum | Building and improvements
Accounting Policies [Line Items]
Useful lives			5 years
Minimum | Machinery, satellite hubs and equipment
Accounting Policies [Line Items]
Useful lives			4 years
Minimum | Office and computer equipment
Accounting Policies [Line Items]
Useful lives			3 years
Maximum
Accounting Policies [Line Items]
Limited product warranty period			2 years
Maximum | Building and improvements
Accounting Policies [Line Items]
Useful lives			40 years
Maximum | Machinery, satellite hubs and equipment
Accounting Policies [Line Items]
Useful lives			10 years
Maximum | Office and computer equipment
Accounting Policies [Line Items]
Useful lives			7 years