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Authorized 1,000,000 shares; none issued Preferred Stock, Value, Issued Proceeds from the sale of KVH Media Group Entertainment Limited, net of cash sold Proceeds from Divestiture of Businesses Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Table] Fair Value, Recurring and Nonrecurring [Table] Diluted (in USD per share) Earnings Per Share, Diluted 2025 Sales-Type and Direct Financing Leases, Payment to be Received, Year Two Property, Plant and Equipment [Table] Property, Plant and Equipment [Table] Less: treasury stock at cost, common stock, 1,456,109 and 1,432,694 shares as of September 30, 2023 and December 31, 2022, respectively. 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[Axis] Land Land [Member] Accounting Policies [Line Items] Accounting Policies [Line Items] Accounting Policies [Line Items] Financial Instrument [Axis] Financial Instrument [Axis] Discontinued Operations Disposal Groups, Including Discontinued Operations, Disclosure [Text Block] Entity Interactive Data Current Entity Interactive Data Current Disaggregation of Revenue [Table] Disaggregation of Revenue [Table] Schedule of Available-for-sale Securities [Table] Debt Securities, Available-for-Sale [Table] Lessor, operating lease, term of contract Lessor, Operating Lease, Term of Contract Purchase of treasury stock Payments for Repurchase of Common Stock Product Product [Member] Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Inventory Disclosure [Abstract] Inventory Disclosure [Abstract] Segments [Domain] Segments [Domain] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] Intertial Navigation Intertial Navigation [Member] Intertial Navigation [Member] The inertial navigation segment manufactures and distributes a portfolio of digital compass and fiber optic gyro (FOG)-based systems that address the rigorous requirements of military and commercial customers and provide reliable, easy-to-use and continuously available navigation and pointing data. 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Document Transition Report Document Transition Report Mobile Comm Product Sales Mobile Comm Product Sales [Member] Product Sales [Member] of the Mobile Connectivity segment Deferred income taxes Deferred Income Tax Expense (Benefit), Excluding Foreign Currency Translation Adjustment Deferred Income Tax Expense (Benefit), Excluding Foreign Currency Translation Adjustment Mobile Connectivity Mobile Connectivity [Member] Mobile Connectivity [Member] The mobile connectivity segment primarily manufactures and distributes a comprehensive family of mobile satellite antenna products and services that provide access to the Internet and voice services while on the move. 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Authorized 30,000,000 shares; 21,066,899 and 20,631,152 shares issued at September 30, 2023 and December 31, 2022, respectively; and 19,610,790 and 19,198,458 shares outstanding at September 30, 2023 and December 31, 2022, respectively Common Stock, Value, Outstanding Title of Individual [Domain] Title of Individual [Domain] Provision for credit losses Accounts Receivable, Credit Loss Expense (Reversal) Additional paid-in capital Additional Paid in Capital Statement of Comprehensive Income [Abstract] Statement of Comprehensive Income [Abstract] Present value of lease payments Sales-type and Direct Financing Leases, Lease Receivable Foreign currency translation adjustment Finite-Lived Intangible Assets, Foreign Currency Translation Gain (Loss) Deferred income, current Deferred Income, Current Shares issued (in shares) Shares Issued, Shares, Share-Based Payment Arrangement, after Forfeiture Intellectual property Intellectual Property [Member] Entity Registrant Name Entity Registrant Name Other non-current assets and non-current contract assets Increase (Decrease) in Other Operating Assets Net assets Net Assets Cost of Sales Cost of Sales [Member] Document Period End Date Document Period End Date Less accumulated depreciation Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Exercise of stock options and issuance of restricted stock awards, net of forfeitures Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures Schedule of assets measured at fair value on recurring basis Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] Disposal Group Name [Axis] Disposal Group Name [Axis] Depreciation expense Depreciation, Lessor Asset under Operating Lease Exercisable stock options, weighted average exercise price (in USD per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted Average Exercise Price Treasury Stock Treasury Stock, Common [Member] Entity Central Index Key Entity Central Index Key Loss on disposals of fixed assets Gain (Loss) on Disposition of Property Plant Equipment Share-based payment Share-Based Payment Arrangement, Expense Gross Carrying Amount Finite-Lived Intangible Assets, Gross Income tax expense from continuing operations Income Tax Expense (Benefit) Non-US Non-US [Member] Finished goods Inventory, Finished Goods, Net of Reserves Dilutive common shares issuable in connection with stock plans (in shares) Incremental Common Shares Attributable to Dilutive Effect of Contingently Issuable Shares Product Liability Contingency [Line Items] Product Liability Contingency [Line Items] Accrued compensation and employee-related expenses Employee-related Liabilities, Current Revenue Benchmark Revenue Benchmark [Member] Other comprehensive loss, net of tax Other comprehensive loss Net other comprehensive loss Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent Cash used in operating activities - discontinued operations Cash Provided by (Used in) Operating Activities, Discontinued Operations Disaggregation of revenue Disaggregation of Revenue [Table Text Block] Debt Securities, Available-for-sale [Line Items] Debt Securities, Available-for-Sale [Line Items] Inventories Inventory Disclosure [Text Block] Weighted-average remaining lease term - operating leases (years) Operating Lease, Weighted Average Remaining Lease Term Amendment Flag Amendment Flag 2025 Lessor, Operating Lease, Payment to be Received, Year Two Money market mutual funds Money Market Funds [Member] Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Restricted stock surrendered (in shares) Share-Based Payment Arrangement, Shares Withheld for Tax Withholding Obligation Weighted-average discount rate - operating leases Operating Lease, Weighted Average Discount Rate, Percent Stock options issued ESPP (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Shares Issued in Period Marketable Securities [Abstract] Marketable Securities [Abstract] Acquisition of treasury stock (in shares) Acquisition of treasury stock (in shares) Treasury Stock, Shares, Acquired Leased assets, useful life Property, Plant and Equipment, Useful Life Leasehold improvements Leasehold Improvements [Member] Sales, marketing and support Selling and Marketing Expense [Member] Diluted (in shares) Weighted average common shares outstanding - diluted (in shares) Weighted Average Number of Shares Outstanding, Diluted Transition support service, number of extensions Divestiture Of Business, Transition Support Service Number Of Extensions Divestiture Of Business, Transition Support Service Number Of Extensions Schedule of customer contract balances Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block] 2024 Sales-Type and Direct Financing Leases, Payment to be Received, Year One Schedule of Discontinued Operations Disposal Groups, Including Discontinued Operations [Table Text Block] Significant Accounting Policies [Abstract] Significant Accounting Policies [Abstract] Significant Accounting Policies [Abstract] Net investment in lease, noncurrent Net Investment in Lease, before Allowance for Credit Loss, Noncurrent Revenue from Contracts with Customers Revenue from Contract with Customer [Text Block] Capital expenditures Payments to Acquire Property, Plant, and Equipment Additional Paid-in Capital Additional Paid-in Capital [Member] Motor vehicles Vehicles [Member] Total assets Assets Cover [Abstract] Stock-based compensation APIC, Share-Based Payment Arrangement, Increase for Cost Recognition Fair Value Measurements Fair Value Measurement and Measurement Inputs, Recurring and Nonrecurring [Text Block] Total minimum lease payments Lessee, Operating Lease, Liability, to be Paid Stock options expired (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Forfeitures and Expirations in Period Transition Services Agreement Transition Services Agreement Transition Services Agreement Net (decrease) increase in cash and cash equivalents Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect Cash flows from financing activities: Net Cash Provided by (Used in) Financing Activities [Abstract] Cost of sales Disposal Group, Including Discontinued Operation, Costs of Goods Sold Goodwill and other intangible asset impairment Goodwill and Intangible Asset Impairment Equity Component [Domain] Equity Component [Domain] Weighted average number of common shares outstanding: Earnings Per Share, Basic, Other Disclosure [Abstract] Work in process Inventory, Work in Process, Net of Reserves Basic (in shares) Weighted average common shares outstanding - basic (in shares) Weighted Average Number of Shares Outstanding, Basic Entity Current Reporting Status Entity Current Reporting Status Concentration Risk Type [Domain] Concentration Risk Type [Domain] Sales-type lease, interest income Sales-type Lease, Interest Income Loss from operations Operating Income (Loss) Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Axis] Number of reporting units Number of Reporting Units Difference between undiscounted cash flows and discounted cash flows  Sales-type and Direct Financing Leases, Lease Receivable, Undiscounted Excess Amount Sales: Revenues [Abstract] Restricted stock award, forfeitures, less than (in shares) Stock Issued During Period, Shares, Restricted Stock Award, Forfeited Aggregate grant date fair value Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Aggregate Intrinsic Value, Nonvested Prepaid expenses and other current assets Prepaid Expense and Other Assets Percent of base salary, second half of year Base Salary, Percent Of Base Salary Second Half Of Year Base Salary, Percent Of Base Salary Second Half Of Year Singapore SINGAPORE Lease revenue Operating Lease, Lease Income Segments [Axis] Segments [Axis] Statement [Line Items] Statement [Line Items] Other comprehensive loss, net of tax: Other Comprehensive Income (Loss), Net of Tax [Abstract] Subscriber relationships Customer Relationships [Member] Marketable Securities Debt Securities, Available-for-Sale [Table Text Block] Type of Restructuring [Domain] Type of Restructuring [Domain] Net income from discontinued operations, net of tax Net income from discontinued operations, net of tax Income (Loss) from Discontinued Operations, Net of Tax, Attributable to Parent