Accumulated Amortization Finite-Lived Intangible Assets, Accumulated Amortization Range [Domain] Statistical Measurement [Domain] Patents and other assets, net Patent And Other Assets, Net Property, plant, and equipment Business Combination, Recognized Asset Acquired, Property, Plant, and Equipment Debt and Equity Securities, FV-NI [Line Items] Debt and Equity Securities, FV-NI [Line Items] Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration] Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration] Award Timing Predetermined Award Timing Predetermined [Flag] 2025 (excluding the six months ended June 30, 2025) Lessee, Operating Lease, Liability, to be Paid, Remainder of Fiscal Year Intangible assets, gross Intangible Assets, Gross (Excluding Goodwill) Indefinite-lived Intangible Assets by Major Class [Axis] Indefinite-Lived Intangible Assets [Axis] Entity File Number Entity File Number BioCenturion BioCenturion LLC [Member] BioCenturion LLC Additional  Paid-In Capital Additional Paid-in Capital [Member] Tabular List, Table Tabular List [Table Text Block] Leases [Abstract] Income tax impact related to components of other comprehensive income (loss) Other Comprehensive Income (Loss), Tax Basic Earnings Per Share Earnings Per Share, Basic [Abstract] Adoption of New Accounting Standards New Accounting Pronouncements, Policy [Policy Text Block] Amortization expense Restricted Stock or Unit Expense Accounts payable Increase (Decrease) in Accounts Payable Equity Incentive Plans Share-Based Payment Arrangement [Member] Unrealized Losses Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Loss, before Tax Trading Arrangements, by Individual Trading Arrangements, by Individual [Table] Basic (in dollars per share) Net income per share - Basic (in dollars per share) Earnings Per Share, Basic Adjustment to Compensation: Adjustment to Compensation [Axis] Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Revenue Revenue from Contract with Customer [Text Block] Premium Audio Products Premium Audio Products [Member] Premium Audio Products Other comprehensive income (loss), net of tax Other comprehensive income (loss) Other Comprehensive Income (Loss), Net of Tax Schedule of Automotive and Other Segment Reporting Schedule of Segment Reporting Information, by Segment [Table Text Block] Inventory Disclosure [Abstract] Short-term debt Outstanding balance of short-term debt Short-Term Debt Schedule of Lease Liabilities Assets And Liabilities, Lessee [Table Text Block] Assets And Liabilities, Lessee Adjustment to Compensation, Amount Adjustment to Compensation Amount Increase in other assets Increase (Decrease) in Other Operating Assets Stock-based compensation expense related to employee stock options, employee stock purchases and restricted stock Share-Based Payment Arrangement, Noncash Expense Employee Stock Option Share-Based Payment Arrangement, Option [Member] Gentex Corporation Employee Stock Purchase Plan Gentex Corporation Employee Stock Purchase Plan [Member] Gentex Corporation Employee Stock Purchase Plan Award Timing MNPI Disclosure Award Timing MNPI Disclosure [Text Block] Gain on sale of investments and technology investment income Gain on Sale of Investments Dividends declared Dividends, Common Stock, Cash TOTAL GENTEX CORPORATION SHAREHOLDERS' INVESTMENT Equity, Attributable to Parent Debt Securities, Available-for-sale [Table] Debt Securities, Available-for-Sale [Table] Insider Trading Policies and Procedures [Line Items] Compensation expense for share-based payments Share-Based Payment Arrangement, Expense Total Patents & Other Intangible Assets, Accumulated Amortization Finite-Lived Intangible Patents And Assets, Accumulated Amortization Finite-Lived Intangible Patents And Assets, Accumulated Amortization Goodwill and Intangible Assets Disclosure [Abstract] Gentex Patents Patents [Member] CURRENT ASSETS Assets, Current [Abstract] TOTAL LIABILITIES, REDEEMABLE NON-CONTROLLING INTEREST, AND SHAREHOLDERS' INVESTMENT Liabilities and Equity Exclusive Licensing Agreement Licensing Agreements [Member] LIABILITIES AND SHAREHOLDERS’ INVESTMENT Liabilities and Equity [Abstract] Automotive Products Automotive Products [Member] Reclassification Out of Accumulated Other Comprehensive Income [Line Items] Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] Cover [Abstract] Cash & Cash Equivalents Cash and Cash Equivalents, Fair Value Disclosure Maximum Maximum [Member] Assumed Useful Life Finite-Lived Intangible Asset, Useful Life Less: Net loss attributable to non-controlling interests Net Income (Loss) Attributable to Noncontrolling Interest Accounting Policies [Abstract] Total Debt Securities, Available-for-Sale, Unrealized Loss Position Finite-lived intangible assets, net Finite-Lived Intangible Assets, Net Schedule of Future Minimum Lease Payments Lessee, Operating Lease, Liability, to be Paid, Maturity [Table Text Block] Windows Products Windows Product [Member] Windows Product Other Other Products [Member] Restricted Stock Restricted Stock [Member] Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Total Compensation Amount Debt Instrument [Line Items] Debt Instrument [Line Items] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] Adjustment to Non-PEO NEO Compensation Footnote Adjustment to Non-PEO NEO Compensation Footnote [Text Block] Pay vs Performance Disclosure [Line Items] Total Operating Lease, Liability Forgone Recovery due to Disqualification of Tax Benefits, Amount Forgone Recovery due to Disqualification of Tax Benefits, Amount Acquisitions Business Combination [Text Block] Non-Rule 10b5-1 Arrangement Terminated Non-Rule 10b5-1 Arrangement Terminated [Flag] INCOME BEFORE PROVISION FOR INCOME TAXES Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Entity Shell Company Entity Shell Company Fair value of non-controlling interest in EyeLock LLC Noncontrolling Interest, Increase from Business Combination OTHER NON-CURRENT LIABILITIES Other Liabilities, Noncurrent Schedule of Long-term Debt Instruments [Table] Schedule of Long-Term Debt Instruments [Table] Proceeds from sale of plant and equipment Proceeds from Sale of Property, Plant, and Equipment Statement of Stockholders' Equity [Abstract] Operating Segments Operating Segments [Member] Remaining lease terms Lessee, Operating Lease, Remaining Lease Term Acquisition of redeemable non-controlling interest at fair value on April 1, 2025 Payments for Repurchase of Redeemable Noncontrolling Interest Statement of Cash Flows [Abstract] Company Selected Measure Amount Company Selected Measure Amount 2028 Lessee, Operating Lease, Liability, to be Paid, Year Three Award Timing MNPI Considered Award Timing MNPI Considered [Flag] Comprehensive income attributable to Gentex Corporation Comprehensive Income (Loss), Net of Tax, Attributable to Parent Reclassification out of Accumulated Other Comprehensive Income [Table] Reclassification out of Accumulated Other Comprehensive Income [Table] Name Measure Name Standby Letters of Credit Letter of Credit [Member] Due within one year Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, Year One Accrued Liabilities Operating Lease, Liability, Current Secured Debt Secured Debt [Member] Maturities and calls Proceeds from Maturities, Prepayments and Calls of Debt Securities, Available-for-Sale Document Fiscal Period Focus Document Fiscal Period Focus Premium Receiver Products Premium receiver Products [Member] Premium receiver Products Award Timing Method Award Timing Method [Text Block] Schedule of Amortized Cost, Unrealized Gains and Losses, and Market Value of Investment Securities Unrealized Gain (Loss) on Investments [Table Text Block] Award Type [Axis] Award Type [Axis] Foreign currency translation adjustments: Accumulated Foreign Currency Adjustment Attributable to Parent [Member] Outstanding balance of long-term debt Long-Term Debt Legal Entity [Axis] Legal Entity [Axis] TOTAL ASSETS Assets Guardian Guardian Optical Technologies [Member] Guardian Optical Technologies CASH FLOWS USED FOR INVESTING ACTIVITIES: Cash Provided by (Used in) Investing Activity, Continuing Operation [Abstract] Investment, Name [Domain] Investment, Name [Domain] Amortization expense, year 2026 Finite-Lived Intangible Asset, Expected Amortization, Year One Trading Symbol Trading Symbol 2029 Lessee, Operating Lease, Liability, to be Paid, Year Four Geographical [Domain] Geographical [Domain] Employee Stock Option Plan Employee Stock Option Plan [Member] Schedule of Intangible Assets Schedule of Intangible Assets and Goodwill [Table Text Block] Issuance of common stock from stock plan transactions (in shares) Common stock issued under stock compensation plan (in shares) Shares Issued, Shares, Share-Based Payment Arrangement, after Forfeiture eSight eSight Corporation [Member] eSight Corporation [Member] Entity Address, City or Town Entity Address, City or Town Short-Term Debt, Type [Domain] Short-Term Debt, Type [Domain] CASH FLOWS FROM OPERATING ACTIVITIES: Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract] Inventories, net Inventory Disclosure [Text Block] Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount Severance expense Severance Costs Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] Total transaction consideration, net Business Combination, Consideration Transferred Amortization expense, year 2029 Finite-Lived Intangible Asset, Expected Amortization, Year Four Impairment charge Other than temporary impairment charge Equity Method Investment, Other-than-Temporary Impairment Entity Emerging Growth Company Entity Emerging Growth Company Cash Dividends Declared per Share (in dollars per share) Dividends declared (in dollars per share) Common Stock, Dividends, Per Share, Declared Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Change in operating assets and liabilities: Increase (Decrease) in Operating Assets [Abstract] Debt Securities, Available-for-sale [Line Items] Debt Securities, Available-for-Sale [Line Items] Total assets acquired, excluding cash Business Combination, Recognized Asset Acquired, Asset Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year [Member] (Level 2) Fair Value, Inputs, Level 2 [Member] HomeLink Modules Home Link Modules [Member] Equity method investments Equity Method Investments Insider Trading Policies and Procedures Not Adopted Insider Trading Policies and Procedures Not Adopted [Text Block] Indefinite-lived intangible assets Indefinite-Lived Intangible Assets (Excluding Goodwill) Business Combination [Domain] Business Combination [Domain] Balance at beginning of period (in shares) Balance at end of period (in shares) Common Stock, Shares, Outstanding Income taxes payable Business Combination, Liabilities Assumed, Income Taxes Payable Business Combination, Liabilities Assumed, Income Taxes Payable Plan Name [Axis] Plan Name [Axis] PEO PEO [Member] Operating lease liabilities Business Combination, Liabilities Assumed, Operating Lease, Liability Business Combination, Liabilities Assumed, Operating Lease, Liability Onkyo Joint Venture Onkyo Technology KK Joint Venture [Member] Onkyo Technology KK Joint Venture Schedule of Disaggregation of Revenue Disaggregation of Revenue [Table Text Block] Schedule of Investments Classified by Contractual Maturity Date Investments Classified by Contractual Maturity Date [Table Text Block] Non-cash investing and financing activities: Noncash Investing and Financing Items [Abstract] Shares issued under the omnibus plan (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Shares Issued in Period U.S. UNITED STATES Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year [Member] Voting interest percentage in joint venture Voting Equity Interest In Joint Venture, Percentage Voting Equity Interest In Joint Venture, Percentage Expected volatility Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate Loss on sale of investments and technology investment losses Loss on Sale of Investments Retained  Earnings Retained Earnings [Member] Biometric Products Biometric Products [Member] Biometric Products Prepaid expenses and other Prepaid Expense and Other Assets, Current Entity Address, Postal Zip Code Entity Address, Postal Zip Code Restatement Determination Date Restatement Determination Date Share-Based Payment Arrangement [Abstract] CASH and CASH EQUIVALENTS, beginning of period CASH and CASH EQUIVALENTS, end of period Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Income Statement [Abstract] Thereafter Lessee, Operating Lease, Liability, To Be Paid, After Year Four Lessee, Operating Lease, Liability, To Be Paid, After Year Four PROVISION FOR INCOME TAXES (Benefit) provision for income taxes Income Tax Expense (Benefit) Loss duration of greater than one year Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer Sale of Stock [Domain] Sale of Stock [Domain] Activity in investments: Proceeds from Sale and Maturity of Debt Securities, Available-for-Sale [Abstract] Investments Investments, Fair Value Disclosure Intangible assets, net Intangible assets, net Intangible Assets, Net (Excluding Goodwill) Pension Adjustments Service Cost Pension Adjustments Service Cost [Member] Product and Service [Domain] Product and Service [Domain] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Parent Parent [Member] NET INCOME Net income from consolidated operations Total net reclassifications for the period Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Restatement does not require Recovery Restatement Does Not Require Recovery [Text Block] Business Combination [Table] Business Combination [Table] Organization, Consolidation and Presentation of Financial Statements [Abstract] Schedule of Assets Acquired and Liabilities Assumed Business Combination, Recognized Asset Acquired and Liability Assumed [Table Text Block] Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Net assets acquired, excluding cash Business Combination, Recognized Asset Acquired to Liability Assumed, Excess (Less), and Goodwill, Less Noncontrolling Interest EyeLock EyeLock LLC [Member] EyeLock LLC City Area Code City Area Code Acquisition of businesses, net of cash acquired Total cash paid, net Payments to Acquire Businesses, Net of Cash Acquired Award Timing, How MNPI Considered Award Timing, How MNPI Considered [Text Block] Investments Investment [Text Block] All Trading Arrangements All Trading Arrangements [Member] Equity Awards Adjustments, Footnote Equity Awards Adjustments, Footnote [Text Block] Total Shareholder Return Vs Peer Group Total Shareholder Return Vs Peer Group [Text Block] Accrued liabilities Accrued Liabilities, Current GreenMarbles, LLC GreenMarbles, LLC [Member] GreenMarbles, LLC Commitments and Contingencies Disclosure [Abstract] Omnibus Incentive Plan Omnibus Incentive Plan [Member] Omnibus Incentive Plan Debt Securities, Trading, and Equity Securities, FV-NI [Table] Debt Securities, Trading, and Equity Securities, FV-NI [Table] Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Net cash provided by operating activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation Activity Goodwill, Period Increase (Decrease) Long-term investments Long-Term Investments Debt instrument, term Debt Instrument, Term Sales proceeds Proceeds from Sale of Debt Securities, Available-for-Sale Subsequent Event Subsequent Event [Member] Schedule of Weighted-Average Assumptions For The Employee Stock Option Plan Schedule of Share-Based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] Investment (loss) income, net Investment Income (Loss), Nonoperating Investment Income (Loss), Nonoperating Conversion rate, options Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Conversion Rate Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Conversion Rate Technology investments Equity Securities, FV-NI Goodwill Balance at beginning of period Balance at end of period Net carrying value Goodwill Equity Valuation Assumption Difference, Footnote Equity Valuation Assumption Difference, Footnote [Text Block] PEO Total Compensation Amount PEO Total Compensation Amount Long-term Debt, Type [Axis] Long-Term Debt, Type [Axis] Assets acquired Business Combination, Recognized Asset Acquired, Asset [Abstract] Amortization expense, remainder of 2025 Finite-Lived Intangible Asset, Expected Amortization, Remainder of Fiscal Year Equity Components [Axis] Equity Components [Axis] Non-Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted [Flag] Number of reportable segments Number of Reportable Segments Inventory Business Combination, Recognized Asset Acquired, Inventory, Current Supplemental Cash Flow Information [Abstract] Supplemental Cash Flow Information [Abstract] Accounts receivable Business Combination, Recognized Asset Acquired, Receivable, Current Cost Debt Securities, Available-for-Sale, Amortized Cost Accumulated impairment charges Goodwill, Impaired, Accumulated Impairment Loss Other Performance Measure, Amount Other Performance Measure, Amount Entity Address, State or Province Entity Address, State or Province Value of dividends declared Dividends, Common Stock Capital contributions, net Noncontrolling Interest, Increase from Sale of Parent Equity Interest Total current liabilities Liabilities, Current Vaporsens Vaporsens Inc [Member] Vaporsens Inc Total transaction consideration, net Business Combination, Consideration Transferred and Preacquisition Equity Interest in Acquiree Individual: Individual [Axis] Cash dividends paid Payments of Ordinary Dividends, Common Stock Additional paid-in capital Additional Paid in Capital, Common Stock Investments [Abstract] Entity [Domain] Entity [Domain] Net cash used for investing activities Cash Provided by (Used in) Investing Activity, Including Discontinued Operation Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table [Member] Due over five years Debt Securities, Available-For-Sale, Fair Value, Maturity, Allocated And Single Maturity Date, After Five Years Debt Securities, Available-For-Sale, Fair Value, Maturity, Allocated And Single Maturity Date, After Five Years Document Fiscal Year Focus Document Fiscal Year Focus Basis of Presentation Basis of Accounting, Policy [Policy Text Block] Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Automotive Products Automotive Products Segment [Member] Effective income tax rate Effective Income Tax Rate Reconciliation, Percent Entity Interactive Data Current Entity Interactive Data Current Other Other Operating Segment [Member] BioConnect BioConnect Inc. [Member] BioConnect Inc. Adjustments to reconcile net income to net cash provided by operating activities: Cash Provided by (Used in) Operating Activity, Continuing Operation [Abstract] Plan Name [Domain] Plan Name [Domain] Acquisition costs incurred Business Combination, Acquisition-Related Cost, Expense Equity [Abstract] Foreign currency translation adjustments Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, before Tax Schedule of Shares Issued, Net of Shares from Canceled/Expired Options and Shares Disclosure of Share-Based Compensation Arrangements by Share-Based Payment Award [Table Text Block] Segment Reporting Segment Reporting Disclosure [Text Block] Swingline Loans Swing Loans [Member] Disaggregation of Revenue [Table] Disaggregation of Revenue [Table] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Government Securities US Treasury Securities [Member] Preliminary Allocation: Business Combination, Recognized Asset Acquired to Liability Assumed, Excess (Less) [Abstract] Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Aggregate Unrealized Losses Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss [Abstract] Finite-Lived Intangible Assets [Line Items] Finite-Lived Intangible Assets [Line Items] Ownership [Domain] Ownership [Domain] Other Other Debt Obligations [Member] Compensation Actually Paid vs. Total Shareholder Return Compensation Actually Paid vs. Total Shareholder Return [Text Block] Current value of earn out Business Combination, Contingent Consideration, Liability Comprehensive Income (Loss) Comprehensive Income (Loss) Note [Text Block] Accrued expenses and other current liabilities Business Combination, Recognized Liabilities Assumed, Accrued Expenses And Other Liability, Current Business Combination, Recognized Liabilities Assumed, Accrued Expenses And Other Liability, Current Fair Value Measurements, Recurring and Nonrecurring [Table] Fair Value, Recurring and Nonrecurring [Table] Amortization of intangible assets Amortization of Intangible Assets Selling, general & administrative Selling, General and Administrative Expense Deferred tax asset Deferred Income Tax Assets, Net Schedule of AOCI Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Plant and equipment additions Payments to Acquire Productive Assets Net Income available to common shareholders Allocation of Net Income used in basic computation Net Income (Loss) from Continuing Operations Available to Common Shareholders, Basic Depreciation and amortization Depreciation and Amortization: Depreciation, Depletion and Amortization Total other assets Other Assets, Noncurrent Argil Argil, Inc. [Member] Argil, Inc. Entity Central Index Key Entity Central Index Key Other comprehensive income (loss) before tax: Other Comprehensive Income (Loss), before Tax [Abstract] PEO Name PEO Name Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year [Member] Finished goods Inventory, Finished Goods, Gross Outstanding Aggregate Erroneous Compensation Amount Outstanding Aggregate Erroneous Compensation Amount Revolver Revolving Credit Facility [Member] Arrangement Duration Trading Arrangement Duration Net income (loss) attributable to acquiree Business Combination, Acquiree's Earnings (Loss) since Acquisition Date, Actual Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Accrued sales incentives Contract with Customer, Liability, Current Segments [Axis] Segments [Axis] Prepaid expenses and other Increase (Decrease) in Prepaid Expense and Other Assets Exercise Price Award Exercise Price Entity Filer Category Entity Filer Category Local Phone Number Local Phone Number Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Subsequent Event Type [Axis] Subsequent Event Type [Axis] ESPP discount rate Share-Based Compensation Arrangement by Share-Based Payment Award, Discount from Market Price, Purchase Date Stock-Based Compensation Plans Share-Based Payment Arrangement [Text Block] Repurchases of common stock (in shares) Stock repurchased (in shares) Stock Repurchased and Retired During Period, Shares ASSETS Assets [Abstract] Underlying Security Market Price Change Underlying Security Market Price Change, Percent Amortization expense, year 2028 Finite-Lived Intangible Asset, Expected Amortization, Year Three Debt Instrument [Axis] Debt Instrument [Axis] Business Combination [Line Items] Business Combination [Line Items] Finite-lived intangible assets, gross Finite-Lived Intangible Assets, Gross SHAREHOLDERS’ INVESTMENT Equity, Attributable to Parent [Abstract] Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year [Member] Change in property and equipment in accounts payable and accrued expenses and other current liabilities Increase (Decrease) In Capital Expenditures Incurred But Not Yet Paid Increase (Decrease) In Capital Expenditures Incurred But Not Yet Paid Entity Address, Address Line One Entity Address, Address Line One Engineering, research and development Research and Development Expense Accumulated  Other Comprehensive Income (Loss) Accumulated Other Comprehensive Income AOCI Attributable to Parent [Member] Rate of interest Debt Instrument, Interest Rate, Stated Percentage Investment, Name [Axis] Investment, Name [Axis] Other Non-Current Liabilities Operating 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Nonvested Award, Cost Not yet Recognized, Amount Document Quarterly Report Document Quarterly Report Loss duration of less than one year Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months Total Assets, Fair Value Disclosure HomeLink® Home Link [Member] Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] Shares granted (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Non-Option Equity Instruments, Granted Loss on disposal of assets Loss On Disposition Of Assets Loss On Disposition Of Assets 2027 Lessee, Operating Lease, Liability, to be Paid, Year Two Number of operating segments Number of Operating Segments Adjustment To PEO Compensation, Footnote Adjustment To PEO Compensation, Footnote [Text Block] Option expiration period Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term Germany GERMANY Net increase (decrease) 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Premium Speaker Products Amounts reclassified from accumulated other comprehensive income (loss) Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax Sale of Stock [Axis] Sale of Stock [Axis] Total Other Intangible Assets Other Intangible Assets [Member] Unrealized Gains Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Gain, before Tax Name Trading Arrangement, Individual Name Award Type [Domain] Award Type [Domain] 2026 Lessee, Operating Lease, Liability, to be Paid, Year One Unrealized losses on derivatives Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification, before Tax Non-controlling Interest Equity, Attributable to Noncontrolling Interest Equity Awards Adjustments Equity Awards Adjustments [Member] OTHER (LOSS) INCOME Investment Income, Nonoperating [Abstract] Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block] Non-controlling interest related to variable interest entity Noncontrolling Interest in Joint Ventures Disaggregation of Revenue [Line Items] Disaggregation of Revenue [Line Items] Purchase of additional interest in BioCenturion LLC Noncontrolling Interest, Decrease from Redemptions or Purchase of Interests Compensation Amount Outstanding Recovery Compensation Amount Principal amount Debt Instrument, Face Amount Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Dividend yield Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Dividend Rate Statement of Comprehensive Income [Abstract] Income tax recoverable Business Combination, Recognized Assets Acquired, Income Tax Recoverable Business Combination Recognized Assets Acquired, Income Tax Recoverable Certificate of Deposit Certificates of Deposit [Member] Recovery of Erroneously Awarded Compensation Disclosure [Line Items] China CHINA MNPI Disclosure Timed for Compensation Value MNPI Disclosure Timed for Compensation 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