Trading Arrangements, by Individual Trading Arrangements, by Individual [Table] Maximum reduction in credit facility upon sale of significant assets Debt Instrument, Covenant, Credit Facility Reduction Upon Sale Of Productive Assets, Maximum Debt Instrument, Covenant, Cash And Cash Equivalents At Carrying Value, Net Cash Proceeds Weighted-average shares outstanding: Weighted Average Number of Shares Outstanding, Diluted [Abstract] Trading Arrangement: Trading Arrangement [Axis] Europe and Other Europe And Other [Member] Europe and Other [Member] Inventory amount, weighted average cost Weighted Average Cost Inventory Amount Document Fiscal Year Focus Document Fiscal Year Focus Stoneridge Asia Holdings Ltd., Stoneridge Asia Pacific Electronics Co. Ltd. And Stoneridge Electronics AS Stoneridge Asia Holdings Ltd., Stoneridge Asia Pacific Electronics Co. Ltd. And Stoneridge Electronics AS [Member] Stoneridge Asia Holdings Ltd., Stoneridge Asia Pacific Electronics Co. Ltd. And Stoneridge Electronics AS Minimum leverage ratio triggering increase in leverage ratio based pricing grid Debt Instrument, Covenant, Minimum Leverage Ratio Triggering Increase In Leverage Ratio Based Pricing Grid Debt Instrument, Covenant, Minimum Leverage Ratio Triggering Increase In Leverage Ratio Based Pricing Grid Adjustment to Compensation, Amount Adjustment to Compensation Amount Segment Reporting [Abstract] Segment Reporting [Abstract] South America South America [Member] Sweden short-term credit line Sweden Short-Term Credit Line [Member] Sweden Credit Line Common Shares, without par value, 60,000 shares authorized, 28,966 and 28,966 shares issued and 28,524 and 28,018 shares outstanding at June 30, 2026 and December 31, 2025, respectively, with no stated value Common Stock, Value, Issued Repurchase of Common Shares to satisfy employee tax withholding Payment, Tax Withholding, Share-Based Payment Arrangement Depreciation and amortization Depreciation and Amortization, Discontinued Operations Maximum net leverage ratio Debt Instrument, Covenant, Leverage Ratio, Maximum Debt Instrument, Covenant, Leverage Ratio, Maximum Line of Credit Line of Credit [Member] Restatement Determination Date Restatement Determination Date Derivative Instrument [Axis] Derivative Instrument [Axis] Payments received from buyer related to the settlement of outstanding accounts payable Proceeds from Settlement Of Outstanding Accounts Payable Payment For Settlement Of Outstanding Accounts Payable Loss per share from continuing operations: Earnings Per Share From Continuing Operations [Abstract] Earnings Per Share From Continuing Operations Loss (income) from discontinued operations, net of tax Loss (income) from discontinued operations Income (loss) from discontinued operations, net of tax Discontinued Operation, Income (Loss) from Discontinued Operation During Phase-out Period, Net of Tax Amendment Flag Amendment Flag LIABILITIES Disposal Group, Including Discontinued Operation, Liabilities [Abstract] Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding ASSETS Disposal Group, Including Discontinued Operation, Assets [Abstract] Disposal Group Classification [Axis] Disposal Group Classification [Axis] Unrealized gain (loss) on derivatives AOCI, Derivative Qualifying as Hedge, Excluded Component, Parent [Member] Performance Based Right to Receive Common Shares Performance Based Right To Receive Common Shares [Member] Performance Based Right to Receive Common Shares [Member] Other comprehensive (loss) income, net of tax: Other Comprehensive Income (Loss), Net of Tax [Abstract] Total long-term liabilities Liabilities, Noncurrent Adjustment to Non-PEO NEO Compensation Footnote Adjustment to Non-PEO NEO Compensation Footnote [Text Block] Entity Address, State or Province Entity Address, State or Province Foreign currency translation Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Portion Attributable to Parent PEO Total Compensation Amount PEO Total Compensation Amount Cash and cash equivalents Disposal Group, Including Discontinued Operation, Cash and Cash Equivalents Total capital expenditures Segment Reporting, Long-Lived Asset, Expenditure for Addition Long-term liabilities: Liabilities, Noncurrent [Abstract] Intangible assets, net Intangible Asset, Excluding Goodwill, after Accumulated Amortization Common shares, non-vested (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number Accrued expenses and other liabilities Increase (Decrease) in Accrued Liabilities and Other Operating Liabilities Basic (in shares) Basic weighted-average Common Shares outstanding (in shares) Weighted Average Number of Shares Outstanding, Basic Outstanding Aggregate Erroneous Compensation Amount Outstanding Aggregate Erroneous Compensation Amount Collaborative Arrangement and Arrangement Other than Collaborative [Domain] Collaborative Arrangement and Arrangement Other than Collaborative [Domain] Investments and other long-term assets, net Investment Investments and Other Noncurrent Assets Number of reportable segments Number of reportable segments Number of Reportable Segments Total current liabilities Liabilities, Current Work-in-progress Inventory, Work in Process, Net of Reserves Net cash provided by (used for) investing activities - continuing operations Cash Provided by (Used in) Investing Activity, Continuing Operation Netherlands NETHERLANDS Entity Address, City or Town Entity Address, City or Town Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] Capital Expenditures: Segment Reporting Information, Capital Expenditures [Abstract] Segment Reporting Information, Capital Expenditures [Abstract] Total assets of discontinued operations Disposal Group, Including Discontinued Operation, Assets Award Timing MNPI Disclosure Award Timing MNPI Disclosure [Text Block] Basis of Presentation Basis of Accounting, Policy [Policy Text Block] Peer Group Total Shareholder Return Amount Peer Group Total Shareholder Return Amount Capitalized deferred financing costs Debt Issuance Costs, Gross Increase (decrease) in maximum borrowing capacity of credit facility Line Of Credit Facility, Increase (Decrease) In Maximum Borrowing Capacity Upon Notice Line Of Credit Facility, Increase (Decrease) In Maximum Borrowing Capacity Upon Notice Total Shareholder Return Vs Peer Group Total Shareholder Return Vs Peer Group [Text Block] Inventories, net Disposal Group, Including Discontinued Operation, Inventory, Current Line of credit facility, maximum borrowing capacity Line of Credit Facility, Maximum Borrowing Capacity Non-Rule 10b5-1 Arrangement Terminated Non-Rule 10b5-1 Arrangement Terminated [Flag] United States UNITED STATES Other assets Disposal Group, Including Discontinued Operation, Other Assets, Noncurrent PST Eletronica Ltda PST Eletronica Ltda [Member] PST Eletronica Ltda [Member] Schedule of Long-term Debt Instruments [Table] Schedule of Long-Term Debt Instruments [Table] Net cash provided by operating activities - continuing operations Cash Provided by (Used in) Operating Activity, Continuing Operation Depreciation and Amortization: Depreciation, Depletion and Amortization [Abstract] Recently Adopted Accounting Standards and Accounting Standards Not Yet Adopted New Accounting Pronouncements, Policy [Policy Text Block] Segment Reporting Segment Reporting [Table Text Block] (Gain) loss on sale of fixed assets Gain (Loss) on Disposition of Property Plant Equipment Other comprehensive (loss) income, net of tax Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent Revolving credit facility payments Repaid credit line Repayments of Lines of Credit Components to be paid in 2029 Purchase Obligation, to be Paid, Year Three Accrued expenses and other current liabilities Disposal Group, Including Discontinued Operation, Accrued And Other Liabilities, Current Disposal Group, Including Discontinued Operation, Accrued And Other Liabilities, Current Quarter Ended June 30, 2026 Quarter Ended June 30, 2026 [Member] Quarter Ended June 30, 2026 Loss on disposal, net of tax Loss on disposal, net of tax Discontinued Operation, Gain (Loss) on Disposal of Discontinued Operation, Net of Tax Document Period End Date Document Period End Date Changes in operating assets and liabilities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Increase (Decrease) in Operating Capital [Abstract] Equity Awards Adjustments, Excluding Value Reported in Compensation Table Equity Awards Adjustments, Excluding Value Reported in the Compensation Table [Member] Current liabilities of discontinued operations Disposal Group, Including Discontinued Operation, Liabilities, Current Costs and expenses: Costs and Expenses [Abstract] Security Exchange Name Security Exchange Name Common Shares held in treasury, 442 and 948 shares at June 30, 2026 and December 31, 2025, respectively, at cost Treasury Stock, Common, Value Derivatives designated as cash flow hedges: Price Risk Cash Flow Hedges [Abstract] Sweden SWEDEN Accumulated other comprehensive loss Accumulated Other Comprehensive Income (Loss), Net of Tax Entity Shell Company Entity Shell Company Consolidation Items [Domain] Consolidation Items [Domain] Employee termination costs One-time Termination Benefits [Member] Aggregate changes in pre-existing liabilities due to claim developments Standard and Extended Product Warranty Accrual, Increase (Decrease) for Preexisting Warranties Schedule of Product Warranty and Recall Liability Schedule of Product Warranty Liability [Table Text Block] Statement of Comprehensive Income [Abstract] Statement of Comprehensive Income [Abstract] CASH FLOWS FROM DISCONTINUED OPERATIONS Cash Provided by (Used in) Discontinued Operation [Abstract] Interest Expense (Income), net: Interest Income (Expense), Operating [Abstract] Loss Per Share Earnings Per Share [Text Block] Name Outstanding Recovery, Individual Name Cost of Goods Sold: Cost of Product and Service Sold [Abstract] Loss per share from Stoneridge Inc.: Earnings Per Share [Abstract] Award Timing, How MNPI Considered Award Timing, How MNPI Considered [Text Block] Schedule of Weighted Average Shares Outstanding Used in Calculating Basic and Diluted Net Income Per Share Schedule of Weighted Average Number of Shares [Table Text Block] Document Fiscal Period Focus Document Fiscal Period Focus Peer Group Issuers, Footnote Peer Group Issuers, Footnote [Text Block] Components to be paid in 2027 Purchase Obligation, to be Paid, Year One Trading Symbol Trading Symbol Geographical [Domain] Geographical [Domain] 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] Pension Adjustments Prior Service Cost Pension Adjustments Prior Service Cost [Member] Long Term Supply Agreement Long Term Supply Agreement [Member] Long Term Supply Agreement Amortization, including accretion and write-off of deferred financing costs Amortization And Accretion Of Debt Discount The aggregate expense charged against earnings to allocate the cost of intangible assets including deferred financing costs (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. Also included in this amount is the accretion of the debt discount and the deferred financing costs which are a component of interest expense representing the periodic charge against earnings to reflect amortization of debt discounts and deferred financing costs over the life of the related debt instrument. As a noncash expense, this element is added back to net income when calculating cash provided by (used in) operations using the indirect method. Company Selected Measure Name Company Selected Measure Name Amounts reclassified from accumulated other comprehensive loss Reclassification from AOCI, Current Period, Net of Tax, Attributable to Parent Income tax provision on loss on disposal Discontinued Operation, Tax Effect of Gain (Loss) from Disposal of Discontinued Operation Income Tax Disclosure [Abstract] Income Tax Disclosure [Abstract] Cash paid for income taxes, net from continuing operations Income Taxes Paid, Net, Continuing Operations Income Taxes Paid, Net, Continuing Operations Proceeds from sale of business, net Proceeds from Divestiture of Businesses, Net of Cash Divested Credit Facility [Domain] Credit Facility [Domain] OPERATING ACTIVITIES: Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract] Accounts payable Disposal Group, Including Discontinued Operation, Accounts Payable, Current Compensation Amount Outstanding Recovery Compensation Amount Individual: Individual [Axis] Diluted (in shares) Diluted weighted-average Common Shares outstanding (in shares) Weighted Average Number of Shares Outstanding, Diluted Disaggregation of Revenue [Line Items] Disaggregation of Revenue [Line Items] Entity Emerging Growth Company Entity Emerging Growth Company Equity Valuation Assumption Difference, Footnote Equity Valuation Assumption Difference, Footnote [Text Block] Disposal Group Name [Domain] Disposal Group Name [Domain] Underlying Security Market Price Change Underlying Security Market Price Change, Percent Revolving credit facility borrowings Borrowed credit line Proceeds from Lines of Credit Deferred income taxes Deferred Income Taxes and Tax Credits Collaborative Arrangement and Arrangement Other than Collaborative [Axis] Collaborative Arrangement and Arrangement Other than Collaborative [Axis] Schedule of Discontinued Operations Disposal Groups, Including Discontinued Operations [Table Text Block] Fixed exchange rate period Manufacturing Agreement, Applicable Exchange Rate Period Manufacturing Agreement, Applicable Exchange Rate Period Capital expenditures Capital Expenditure, Discontinued Operations Revenue from Contract with Customer [Abstract] Revenue from Contract with Customer [Abstract] Effect of dilutive shares (in shares) Weighted Average Number of Shares Outstanding, Diluted, Adjustment Impairment of fixed assets charge Long-Lived Asset, Held and Used, Impairment Loss Quarter Ended June 30, 2026 And Thereafter Quarter Ended June 30, 2026 And Thereafter [Member] Quarter Ended June 30, 2026 And Thereafter Award Timing Predetermined Award Timing Predetermined [Flag] Number of treasury shares Treasury Stock, Common [Member] Civil, labor and other tax contingencies Civil, Labor And Other Tax Contingencies [Member] Civil, labor and other contingencies [Member] Debt Covenant Terms [Axis] Debt Covenant Terms [Axis] Debt Covenant Terms Outstanding letters of credit Letters of Credit Outstanding, Amount Severance costs Severance Costs Cash (used in) provided by operations - discontinued operations Cash Provided by (Used in) Operating Activity, Discontinued Operation Adjustment To PEO Compensation, Footnote Adjustment To PEO Compensation, Footnote [Text Block] Share-based compensation, net APIC, Share-Based Payment Arrangement, Increase for Cost Recognition Debt instrument covenant uninsured asset losses maximum amount Debt Instrument, Covenant, Uninsured Asset Losses, Maximum Debt instrument covenant uninsured asset losses maximum amount. Effective income tax rate Effective Income Tax Rate Reconciliation, Percent Issuance of Common Shares, net of repurchases Stock Issued During Period, Value, Net Of Stock Repurchased Stock Issued During Period, Value, Net Of Stock Repurchased Organization, Consolidation and Presentation of Financial Statements [Abstract] Organization, Consolidation and Presentation of Financial Statements [Abstract] All Executive Categories All Executive Categories [Member] Accruals for warranties established during period Standard and Extended Product Warranty Accrual, Increase for Warranties Issued Pension Adjustments Service Cost Pension Adjustments Service Cost [Member] Quarter Ended March 31, 2025 Quarter Ended March 31, 2025 [Member] Quarter Ended March 31, 2025 Other expense, net Disposal Group, Including Discontinued Operation, Other Nonoperating Income (Expense) Disposal Group, Including Discontinued Operation, Other Nonoperating Income (Expense) Quarter Ended December 31, 2026 And Thereafter Quarter Ended December 31, 2026 And Thereafter [Member] Quarter Ended December 31, 2026 And Thereafter Depreciation Depreciation Plan Name [Domain] Plan Name [Domain] Accounts receivable, less reserves Disposal Group, Including Discontinued Operation, Accounts, Notes and Loans Receivable, Net Operating lease right-of-use asset Operating Lease, Right-of-Use Asset Operating Loss Carryforwards [Line Items] Operating Loss Carryforwards [Line Items] Fair Value Disclosures [Abstract] Fair Value Disclosures [Abstract] Debt Disclosure [Abstract] Debt Disclosure [Abstract] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Segment Reporting Segment Reporting [Text Block] Line of credit Long-Term Line of Credit Repayments of debt Repayments of Other Debt Expiration Date Trading Arrangement Expiration Date Hedging Relationship [Axis] Hedging Relationship [Axis] Schedule of Revenue by Segment and Geographical Location Disaggregation of Revenue [Table Text Block] Effect of exchange rate 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Cost Aggregate Pension Adjustments Service Cost [Member] Derivative [Table] Derivative [Table] Common shares, authorized (in shares) Common Stock, Shares Authorized Accumulated Other Comprehensive Income (Loss) [Line Items] Accumulated Other Comprehensive Income (Loss) [Line Items] Exercise Price Award Exercise Price Schedule of Restructuring and Related Costs [Table] Restructuring Cost [Table] INVESTING ACTIVITIES: Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract] Schedule of Equity Method Investments [Line Items] Schedule of Equity Method Investments [Line Items] Segment Reporting [Line Items] Segment Reporting [Line Items] Components purchased Payments For Long-Term Purchase Commitment Payments For Long-Term Purchase Commitment Document Quarterly Report Document Quarterly Report Disposal Groups, Including Discontinued Operations [Table] Disposal Groups, Including Discontinued Operations [Table] Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested [Member] Segments [Domain] Segments [Domain] Europe Europe [Member] Debt Debt Disclosure [Text Block] Debt Covenant Terms [Domain] Debt Covenant Terms [Domain] Debt Covenant Terms [Domain] Selling, general and administrative Disposal Group, Including Discontinued Operation, General and Administrative Expense Disposal Group Classification [Domain] Disposal Group Classification [Domain] Manufacturing agreement initial term Manufacturing Agreement, Term Manufacturing Agreement, Term Schedule of Restructuring and Related Costs Restructuring and Related Costs [Table Text Block] Awards Close in Time to MNPI Disclosures, Table Awards Close in Time to MNPI Disclosures [Table Text Block] Accrual at beginning of period Accrual at end of period Restructuring Reserve Equity Component [Domain] Equity Component [Domain] PEO Actually Paid Compensation Amount PEO Actually Paid Compensation Amount Revolving Credit Facility Line of Credit Facility [Abstract] Revolving credit facility Long-Term Line of Credit, Noncurrent Adoption Date Trading Arrangement Adoption Date Purchase price for sale of segment Disposal Group, Including Discontinued Operation, Consideration Investment in venture capital fund, net Investment in venture capital fund, net Payments to Acquire Equity Method Investments Counterparty Name [Domain] Counterparty Name [Domain] Total shareholders' equity Beginning balance Ending balance Equity, Attributable to Parent Write off of deferred financing costs Deferred Debt Issuance Cost, Writeoff Disposal Group, Disposed of by Sale, Not Discontinued Operations Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] Cash used for financing activities - discontinued operations Cash Provided by (Used in) Financing Activity, Discontinued Operation Restructuring Type [Axis] Restructuring Type [Axis] Intangible assets, net Disposal Group, Including Discontinued Operation, Intangible Assets, Noncurrent Quarter Ended March 31, 2026 Quarter Ended March 31, 2026 [Member] Quarter Ended March 31, 2026 ASSETS Total Assets: Assets [Abstract] Title Trading Arrangement, Individual Title Forgone Recovery due to Disqualification of Tax Benefits, Amount Forgone Recovery due to Disqualification of Tax Benefits, Amount Accounting Policies [Abstract] Accounting Policies [Abstract] Restatement does not require Recovery Restatement Does Not Require Recovery [Text Block] Insider Trading Policies and Procedures [Line Items] Reserves on accounts receivable Accounts Receivable, Allowance for Credit Loss, Current Insider Trading Policies and Procedures Adopted Insider Trading Policies and Procedures Adopted [Flag] Prepaid expenses and other current assets Prepaid Expense and Other Assets, Current Selling, general and administrative Selling, General and Administrative Expense Quarter Ended September 30, 2025 Quarter Ended September 30, 2025 [Member] Quarter Ended September 30, 2025 Long-term liabilities of discontinued operations Long-term liabilities Disposal Group, Including Discontinued Operation, Liabilities, Noncurrent Other Europe Other European Countries [Member] Other European Countries Prepaid expenses and other current assets Disposal Group, Including Discontinued Operation, Prepaid and Other Assets, Current Type of Restructuring [Domain] Type of Restructuring [Domain] Interest expense, net Total interest expense, net Interest Income (Expense), Nonoperating Letter of Credit Letter of Credit [Member] Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue and Long-Lived Asset [Line Items] Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue and Long-Lived Asset [Line Items] Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Compensation Actually Paid vs. Net Income Compensation Actually Paid vs. Net Income [Text Block] Accrued expenses and other current liabilities Accrued And Other Liabilities, Current Accrued And Other Liabilities, Current Number of operating segments Number of Operating Segments Antidilutive securities excluded from computation of earnings per share (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Foreign currency translation Standard and Extended Product Warranty Accrual, Foreign Currency Translation Gain (Loss) Entity Central Index Key Entity Central Index Key All Adjustments to Compensation All Adjustments to Compensation [Member] Unallocated Corporate Segment Reporting, Reconciling Item, Corporate Nonsegment [Member] Paid capacity deposits Payments for Deposits 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] Total business realignment charges Charges to Expense Restructuring and Related Cost, Incurred Cost Property, plant and equipment, net Disposal Group, Including Discontinued Operation, Property, Plant, and Equipment, Noncurrent Materials cost reimbursements Reimbursement of Material Costs Reimbursement of Material Costs Total liabilities of discontinued operations Disposal Group, Including Discontinued Operation, Liabilities Income Statement [Abstract] Income Statement [Abstract] Document Transition Report Document Transition Report Investment, Name [Axis] Investment, Name [Axis] Net cash (used for) provided by discontinued operations Cash Provided by (Used in) Discontinued Operation Eliminations Intersegment Eliminations [Member] Stock Appreciation Rights (SARs) Stock Appreciation Rights (SARs) [Member] Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue and Long-Lived Asset Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue and Long-Lived Asset [Table Text Block] City Area Code City Area Code Quarter Ended September 30, 2026 Quarter Ended September 30, 2026 [Member] Quarter Ended September 30, 2026 Accumulated other comprehensive loss Accumulated Other Comprehensive (Loss) Income AOCI Attributable to Parent [Member] All Individuals All Individuals [Member] Credit Agreement Credit Agreement [Member] Credit Facility [Member] Name Forgone Recovery, Individual Name Design and Development: Research and Development [Abstract] Finished goods Inventory, Finished Goods, Net of Reserves Control Devices Control Devices [Member] Control Devices [Member] Discontinued operations: Income (Loss) from Discontinued Operations, Net of Tax, Attributable to Parent [Abstract] Non-GAAP Measure Description Non-GAAP Measure Description [Text Block] Net cash used for financing activities - continuing operations Cash Provided by (Used in) Financing Activity, Continuing Operation Statement [Line Items] Statement [Line Items] Total long-term assets Assets, Noncurrent Total assets Total assets Assets Entity [Domain] Entity [Domain] Manufacturing agreement renewal period Manufacturing Agreement, Renewal Term Manufacturing Agreement, Renewal Term Preferred shares, issued (in shares) Preferred Stock, Shares Issued Operating Segments Operating Segments [Member] Net sales Disposal Group, Including Discontinued Operation, Revenue Share-Based Compensation Share-Based Payment Arrangement [Text Block] Other comprehensive income (loss) before reclassifications OCI, before Reclassifications, Net of Tax, Attributable to Parent PEO PEO [Member] Share-based compensation expense Share-Based Payment Arrangement, Expense Other long-term liabilities Other Liabilities, Noncurrent Interest income, net Disposal Group, Including Discontinued Operation, Interest Income (Expense), Nonoperating Disposal Group, Including Discontinued Operation, Interest Income (Expense), Nonoperating Goodwill Goodwill Forgone Recovery due to Violation of Home Country Law, Amount Forgone Recovery due to Violation of Home Country Law, Amount (Benefit) provision for income taxes from discontinued operations Discontinued Operation, Tax Effect of Discontinued Operation Discontinued Operations, Disposed of by Sale Discontinued Operations, Disposed of by Sale [Member] Retained earnings Retained Earnings [Member] Operating lease long-term liability Operating Lease, Liability, Noncurrent Revolving Credit Facility Revolving Credit Facility [Member] Erroneously Awarded Compensation Recovery Erroneously Awarded Compensation Recovery [Table] Stoneridge Electronics, Inc. And Stoneridge Control Devices, Inc. Stoneridge Electronics, Inc. And Stoneridge Control Devices, Inc. [Member] Stoneridge Electronics And Control Devices Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Common shares, outstanding (in shares) Common stock beginning balance (in shares) Common stock ending balance (in shares) Common Stock, Shares, Outstanding Award Timing Disclosures [Line Items] Foreign currency translation Accumulated Foreign Currency Adjustment Attributable to Parent [Member] Diluted (in dollars per share) Earnings Per Share, Diluted Accumulated Other Comprehensive Income (Loss) [Table] Accumulated Other Comprehensive Income (Loss) [Table] Entity Current Reporting Status Entity Current Reporting Status Total Shareholder Return Amount Total Shareholder Return Amount Diluted (in dollars per share) Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Diluted Share Prepaid expenses and other assets Increase (Decrease) in Prepaid Expense and Other Assets Cash flow hedges Cash Flow Hedging [Member] Design and development Total design and development Research and Development Expense Adjustments to reconcile net loss to net cash provided by (used for) operating activities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity [Abstract] Quarter Ended December 31, 2025 And Thereafter Quarter Ended December 31, 2025 And Thereafter [Member] Quarter Ended December 31, 2025 And Thereafter Loss Contingency Nature [Axis] Loss Contingency Nature [Axis] Share-based Payment Arrangement [Abstract] Share-Based Payment Arrangement [Abstract] FINANCING ACTIVITIES: Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract] Net sales Total net sales Revenue from Contract with Customer, Excluding Assessed Tax Property, plant and equipment, net Property, Plant, and Equipment, after Accumulated Depreciation, Depletion, and Amortization Net Sales: Segment Reporting, Revenue [Abstract] Schedule of Reconciliation of Business Realignment Liability Balances Schedule of Restructuring Reserve by Type of Cost [Table Text Block] Current assets of discontinued operations Disposal Group, Including Discontinued Operation, Assets, Current Inventories Inventory Disclosure [Text Block] Equity Awards Adjustments, Footnote Equity Awards Adjustments, Footnote [Text Block] Underlying Securities Award Underlying Securities Amount Revenue Revenue from Contract with Customer [Text Block] Schedule of Amounts Recorded for the Cash Flow Hedges in Other Comprehensive (Loss) Income and in Net Income (Loss) Schedule of Cash Flow Hedges Included in Accumulated Other Comprehensive Income (Loss) [Table Text Block] Thereafter period for adjustments to exchange rate Manufacturing Agreement, Adjustment Period After Applicable Exchange Rate Period Manufacturing Agreement, Adjustment Period After Applicable Exchange Rate Period Contribution expected period Investment, Expected Life Of Fund Investment, Expected Life Of Fund Inventories, net Increase (Decrease) in Inventories Segment Reporting [Table] Segment Reporting [Table] Schedule of Equity Method Investments [Table] Equity Method Investment [Table] Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] All Trading Arrangements All Trading Arrangements [Member] Other Performance Measure, Amount Other Performance Measure, Amount Award Timing MNPI Considered Award Timing MNPI Considered [Flag] Operating loss Total operating loss Operating Income (Loss) Components to be paid in 2030 Purchase Obligation, to be Paid, Year Four Asia Pacific Asia Pacific [Member] Current Fiscal Year End Date Current Fiscal Year End Date Cash and cash equivalents balance, maximum Debt Instrument, Covenant, Cash And Cash Equivalents At Carrying Value, Maximum Debt Instrument, Covenant, Cash And Cash Equivalents At Carrying Value, Maximum Loss on disposal of business, net Gain (Loss) on Disposition of Business Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Total Compensation Amount Derivative [Line Items] Derivative [Line Items] Total long-term assets Long-Lived Asset, Excluding Financial Instrument, Customer Relationship, Mortgage Servicing Right, Deferred Policy Acquisition Cost, and Deferred Tax Asset, Amount Restructuring Reserve [Roll Forward] Restructuring Reserve [Roll Forward] Costs and expenses: Disposal Group, Including Discontinued Operation, Income Statement Disclosures [Abstract] 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] Entity File Number Entity File Number Rule 10b5-1 Arrangement Adopted Rule 10b5-1 Arrangement Adopted [Flag] Quarter Ended December 31, 2025 Quarter Ended December 31, 2025 [Member] Quarter Ended December 31, 2025 Recovery of Erroneously Awarded Compensation Disclosure [Line Items] Common shares, issued (in shares) Common Stock, Shares, Issued Measure: Measure [Axis] Investments Equity Method Investments and Joint Ventures Disclosure [Text Block] Estonia ESTONIA Cost of goods sold Disposal Group, Including Discontinued Operation, Costs of Goods Sold Common shares held in treasury, shares (in shares) Treasury stock beginning balance (in shares) Treasury stock ending balance (in shares) Treasury Stock, Common, Shares Last Day Of Full Fiscal Quarter Ending After Sale Of Control Devices Business And Thereafter Last Day Of Full Fiscal Quarter Ending After Sale Of Control Devices Business And Thereafter [Member] Last Day Of Full Fiscal Quarter Ending After Sale Of Control Devices Business And Thereafter Forward currency contracts Forward Contracts [Member] Loss (gain) of equity method investee Income (Loss) from Equity Method Investments, Net of Dividends or Distributions Components to be paid in 2028 Purchase Obligation, to be Paid, Year Two Accumulated Other Comprehensive Loss Comprehensive Income (Loss) Note [Text Block] Equity Components [Axis] Equity Components [Axis] Accounts receivable, net Increase (Decrease) in Accounts Receivable Disaggregation of Revenue [Table] Disaggregation of Revenue [Table] Entity Interactive Data Current Entity Interactive Data Current Deferred income taxes Deferred Income Tax Liabilities, Net Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] Entity Small Business Entity Small Business Comprehensive (loss) income Comprehensive Income (Loss), Net of Tax, Attributable to Parent Inventory amount, FIFO FIFO Inventory Amount Termination Date Trading Arrangement Termination Date Title of 12(g) Security Title of 12(g) Security Accounts payable Increase (Decrease) in Accounts Payable, Trade Total loss (income) from discontinued operations Total (loss) income from discontinued operations Income (Loss) from Discontinued Operations, Net of Tax, Attributable to Parent Electronics Electronics [Member] Electronics [Member] Payment received from buyer related to materials cost reimbursements Payment For Reimbursement Of Direct Material Costs Payment For Reimbursement Of Direct Material Costs Termination notice period prior to the end of the initial term Manufacturing Agreement, Termination Notice, Period Before End Of Term Manufacturing Agreement, Termination Notice, Period Before End Of Term Discontinued Operations Disposal Groups, Including Discontinued Operations, Disclosure [Text Block] Compensation Actually Paid vs. Total Shareholder Return Compensation Actually Paid vs. Total Shareholder Return [Text Block] MNPI Disclosure Timed for Compensation Value MNPI Disclosure Timed for Compensation Value [Flag] Document Type Document Type Fair Value as of Grant Date Award Grant Date Fair Value Brazil BRAZIL Debt instrument covenant default of other debt maximum amount Debt Instrument, Covenant, Default Of Other Debt, Maximum Debt instrument covenant default of other debt maximum amount. Pay vs Performance Disclosure, Table Pay vs Performance [Table Text Block] Purchases Operating Costs and Expenses Arrangement Duration Trading Arrangement Duration Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Stoneridge Brazil Stoneridge Brazil [Member] Stoneridge Brazil [Member] Local Phone Number Local Phone Number Consolidation Items [Axis] Consolidation Items [Axis] Entity Address, Postal Zip Code Entity Address, Postal Zip Code Entity Registrant Name Entity Registrant Name Quarter Ended June 30, 2025 Quarter Ended June 30, 2025 [Member] Quarter Ended June 30, 2025 Loss before income taxes from continuing operations Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Insider Trading Policies and Procedures Not Adopted Insider Trading Policies and Procedures Not Adopted [Text Block] Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] Cash used for investing activities - discontinued operations Cash Provided by (Used in) Investing Activity, Discontinued Operation Equity in (earnings) loss of investee (Gains) losses from equity method investments Income (Loss) from Equity Method Investments Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount Executive Category: Executive Category [Axis] China CHINA Issuance of Common Shares, net of repurchases (in shares) Stock Issued During Period, Shares, Net Of Stock Repurchased Stock Issued During Period, Shares, Net Of Stock Repurchased Counterparty Name [Axis] Counterparty Name [Axis] LIABILITIES AND SHAREHOLDERS' EQUITY Liabilities and Equity [Abstract] December 31, 2026 December 31, 2026 [Member] December 31, 2026 Inventories, net Total inventories, net Inventory, Net All Award Types Award Type [Domain] Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount Payment received from buyer related to manufacturing service fees Payment For Manufacturing Service Fees Payment For Manufacturing Service Fees Financial Instruments and Fair Value Measurements Fair Value Disclosures [Text Block] Product warranty and recall reserve at beginning of period Product warranty and recall reserve at end of period Standard and Extended Product Warranty Accrual PEO Name PEO Name Cash and cash equivalent, maximum percentage Debt Instrument, Covenant, Cash And Cash Equivalents At Carrying Value, Maximum Percentage Debt Instrument, Covenant, Cash And Cash Equivalents At Carrying Value, Maximum Percentage Geographical [Axis] Geographical [Axis] Income (loss) before income taxes from discontinued operations Discontinued Operation, Income (Loss) from Discontinued Operation, before Income Tax Schedule of Short-term Debt [Table] Short-Term Debt [Table] Total other segment costs Segment Reporting, Other Segment Item, Amount Interest rates Line of Credit Facility, Interest Rate During Period Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Entity Tax Identification Number Entity Tax Identification Number Legal Entity [Axis] Legal Entity [Axis] Excess tax deficiency related to share-based compensation expense Share-Based Payment Arrangement, Expense, Tax Benefit Utilization, Cash Payments for Restructuring Cash and cash equivalents at beginning of period Cash and cash equivalents at end of period Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Settlements made during the period Standard and Extended Product Warranty Accrual, Decrease for Payments Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Payments received from manufacturing activities Proceeds from Fees Received Aggregate Erroneous Compensation Not Yet Determined Aggregate Erroneous Compensation Not Yet Determined [Text Block] Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] Non-NEOs Non-NEOs [Member] (Loss) income per share from discontinued operations: Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Basic Share [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] Basic (in dollars per share) Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Basic Share Basis of Presentation Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Debt Instrument [Axis] Debt Instrument [Axis] Equity method investment, ownership percentage Equity Method Investment, Ownership Percentage Share-based compensation expense Share-Based Payment Arrangement, Noncash Expense Disposal Group Name [Axis] Disposal Group Name [Axis] Schedule of Debt Schedule of Debt [Table Text Block] Operating income (loss) from discontinued operations Disposal Group, Including Discontinued Operation, Operating Income (Loss) Investment, Name [Domain] Investment, Name [Domain] Schedule of Inventories Schedule of Inventory, Current [Table Text Block] Basic (in dollars per share) Earnings Per Share, Basic Total current assets Assets, Current Insider Trading Arrangements [Line Items] Award Type Award Type [Axis] Gain recorded in other comprehensive (loss) income Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification and Tax Other financing costs Payments of Financing Costs Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Accounts receivable, less reserves of $543 and $325, respectively Amounts receivable from buyer Accounts Receivable, after Allowance for Credit Loss, Current Retained earnings Retained Earnings (Accumulated Deficit) Restructuring and Related Activities [Abstract] Restructuring and Related Activities [Abstract] Design and development Disposal Group, Including Discontinued Operation, Research And Development Expense Disposal Group, Including Discontinued Operation, Research And Development Expense Unrealized gain on derivatives Unrealized gain on derivatives, net Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax, Parent 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] Awards Close in Time to MNPI Disclosures Awards Close in Time to MNPI Disclosures [Table] Short-term Debt [Line Items] Short-Term Debt [Line Items] Number of Common Shares outstanding Common Stock [Member] Gain on sale of Canton Facility, net Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal Investment commitment Investment Company, Financial Support to Investee Contractually Required, Not Provided, Amount Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Cover [Abstract] Cover [Abstract] Reclassifications Reclassification, Comparability Adjustment [Policy Text Block] Non-US Non-US [Member] Derivative Contract [Domain] Derivative Contract [Domain] Equity Awards Adjustments Equity Awards Adjustments [Member] Components to be paid in 2026 Purchase Obligation, to be Paid, Remainder of Fiscal Year Long-term assets of discontinued operations Disposal Group, Including Discontinued Operation, Assets, Noncurrent Hedging Relationship [Domain] Hedging Relationship [Domain] Total liabilities and shareholders' equity Liabilities and Equity Employee Stock Option Share-Based Payment Arrangement, Option [Member] Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue and Long-Lived Asset [Table] Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue and Long-Lived Asset [Table] Gain reclassified from other comprehensive (loss) income into net loss Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax Operating Loss Carryforwards [Table] Operating Loss Carryforwards [Table] Transaction costs Disposal Group, Including Discontinued Operation, Transaction Costs Disposal Group, Including Discontinued Operation, Transaction Costs Segments [Axis] Segments [Axis] Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Plan Name [Axis] Plan Name [Axis] Inventory Disclosure [Abstract] Inventory Disclosure [Abstract] Tabular List, Table Tabular List [Table Text Block] Additional paid-in capital Additional Paid in Capital Other (income) expense, net Other Nonoperating Income (Expense) Name Awards Close in Time to MNPI Disclosures, Individual Name Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested [Member] Accrued liabilities related to expected future remediation costs Accrual for Environmental Loss Contingencies, Gross Loss on disposal Discontinued Operation, Gain (Loss) from Disposal of Discontinued Operation, before Income Tax Long-term assets: Assets, Noncurrent [Abstract] Movement in Standard and Extended Product Warranty Accrual, Increase (Decrease) [Roll Forward] Movement in Standard and Extended Product Warranty Accrual, Increase (Decrease) [Roll Forward] Preferred shares, authorized (in shares) Preferred Stock, Shares Authorized Preferred Shares, without par value, 5,000 shares authorized, none issued Preferred Stock, Value, Issued Adjustment to Compensation: Adjustment to Compensation [Axis] Restructuring Cost and Reserve [Line Items] Restructuring Cost and Reserve [Line Items] Rule 10b5-1 Arrangement Terminated Rule 10b5-1 Arrangement Terminated [Flag] Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract] Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract] Cash paid for interest from continuing operations Interest Paid, Excluding Capitalized Interest, Operating Activity Capital expenditures, including intangibles Payments to Acquire Productive Assets Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] CADE Fine Brazilian Administrative Counsel for Economic Defense Fine [Member] Fine [Member] Operating (Loss) Income: Segment Reporting, Income (Loss) before Income Tax [Abstract] Credit Facility [Axis] Credit Facility [Axis] Business Realignment Restructuring and Related Activities Disclosure [Text Block] Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Discontinued Operations and Disposal Groups [Abstract] Discontinued Operations and Disposal Groups [Abstract] Net tax expense on unrealized gain on derivatives Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification, Tax, Parent Name Measure Name Income Taxes Income Tax Disclosure [Text Block] Utilization, Non-Cash Restructuring Reserve, Settled without Cash Currency translation adjustments Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, before Tax Accounts payable Accounts Payable, Current Pay vs Performance Disclosure [Line Items] Mexico MEXICO Debt Instrument [Line Items] Debt Instrument [Line Items] Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Product Warranty And Recall Product Warranty And Recall [Member] Product Warranty And Recall Additional paid-in capital Additional Paid-in Capital [Member] Entity Filer Category Entity Filer Category Supplemental disclosure of cash flow information: Supplemental Cash Flow Elements [Abstract] Name Trading Arrangement, Individual Name Cash and cash equivalents Cash and Cash Equivalent Groundwater remediation expense Accrual for Environmental Loss Contingencies, Charges to Expense for New Losses Raw materials Inventory, Raw Materials, Net of Reserves Company Selected Measure Amount Company Selected Measure Amount Distributions received Proceeds from Equity Method Investment, Distribution Total depreciation and amortization Depreciation, Depletion and Amortization Other Segment Costs: Segment Reporting, Reconciliation of Other Item by Segment to Consolidated [Abstract] Equity Method Investments and Joint Ventures [Abstract] Equity Method Investments and Joint Ventures [Abstract] Product warranty and recall accrual Product Warranty Accrual, Noncurrent Autotech Ventures Autotech Ventures [Member] This member represents information pertaining to autotech ventures. Current assets: Disposal Group, Including Discontinued Operation, Assets, Current [Abstract] Current assets: Assets, Current [Abstract] Non-PEO NEO Non-PEO NEO [Member] Entity Address, Address Line One Entity Address, Address Line One North America North America [Member] Revolving Credit Facility Borrowings outstanding Line of Credit Facility, Fair Value of Amount Outstanding Provision for income taxes from continuing operations Income tax expense from continuing operations Income Tax Expense (Benefit) Foreign currency transaction losses (gains) Gain (Loss), Foreign Currency Transaction, before Tax Cost of goods sold Total cost of goods sold Cost of Product and Service Sold Award Timing Method Award Timing Method [Text Block] Loss Contingency, Nature [Domain] Loss Contingency, Nature [Domain] Net change in cash and cash equivalents Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Long-term assets: Disposal Group, Including Discontinued Operation, Assets, Noncurrent [Abstract] Recently Issued Accounting Standards Accounting Standards Update and Change in Accounting Principle [Text Block] AOCI Attributable to Parent, Net of Tax [Roll Forward] AOCI Attributable to Parent, Net of Tax [Roll Forward] Net loss Net loss Net loss Net Income (Loss) Attributable to Parent Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] Balance Sheet Location [Axis] Location, Statement of Financial Position, Balance [Axis] Minimum interest coverage ratio Debt Instrument, Covenant, Interest Coverage Ratio, Minimum Debt Instrument, Covenant, Interest Coverage Ratio, Minimum Statement [Table] Statement [Table] Proceeds from sale of fixed assets Proceeds from Sale of Property, Plant, and Equipment Inter-segment sales Segment Reporting, Reconciling Item, Excluding Corporate Nonsegment [Member] Restatement Determination Date: Restatement Determination Date [Axis] Schedule of Changes in Accumulated Other Comprehensive Loss by Component Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Litigation amount Litigation Settlement, Amount Awarded to Other Party Loss from continuing operations Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent Direct warranty damages sought Loss Contingency, Damages Sought, Value Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block]