Trading Arrangements, by Individual Trading Arrangements, by Individual [Table] Trading Arrangement: Trading Arrangement [Axis] Exercise Price Range 08 Exercise Price Range 08 [Member] Represents exercise price range 8. Debt Instrument, Covenant, Scenario [Axis] Debt Instrument, Covenant, Scenario [Axis] Debt Instrument, Covenant, Scenario Maximum Maximum [Member] Repayment of syndicated revolver Proceeds from (Repayments of) Notes Payable Title of 12(b) Security Title of 12(b) Security Subsequent Event Subsequent Event [Member] Total foreign currency forward contracts (net) Derivative instrument asset (liability), net Derivative Assets (Liabilities), at Fair Value, Net Adjustment to Compensation, Amount Adjustment to Compensation Amount Segment Reporting [Abstract] Thereafter Finite-Lived Intangible Asset, Expected Amortization, After Year Four Amount of amortization for asset, excluding financial asset and goodwill, lacking physical substance with finite life expected to be recognized after forth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). Schedule of estimated amortization expense Intangible Asset, Finite-Lived, and Capitalized Cost, Software to be Sold, Leased, or Marketed, Estimated Amortization Expense [Table Text Block] Equity in (earnings) losses of unconsolidated businesses tcx_EquityInUndistributedEarningsOfSubsidiaries Represents the equity in undistributed earnings of subsidiaries. Netly, LLC Netly, LLC [Member] Netly, LLC Derivative Instrument [Axis] Derivative Instrument [Axis] Ting Issuer LLC TingIssuerLlc [Member] Relating to Ting issuer LLC. Customer equipment and installations Customer Equipment and Installations [Member] Represents the customer equipment and installations. Consolidated Entities [Axis] Consolidated Entities [Axis] Other liabilities - current portion Other Sundry Liabilities, Current Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Minimum fixed charge coverage ratio tcx_MinimumFixedChargeCoverageRatio The minimum fixed charge coverage ratio. Greater than or equal to 3.50 and less than 3.75 Debt To Ebitda Greater Than Or Equal To 350 And Less Than 400 [Member] Represents Debt to EBITDA Greater than Or Equal To 3.50 and Less than 4.00. Leases [Abstract] Consolidated Entities [Domain] Consolidated Entities [Domain] Other Professional Services Other Professional Services [Member] Represents other services. Granted (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross Asset Acquisition [Axis] Asset Acquisition [Axis] Intangible assets Beginning balance Ending balance Intangible Asset, Excluding Goodwill, after Accumulated Amortization Share-Based Payment Arrangement, Tranche One Share-Based Payment Arrangement, Tranche One [Member] Investments Long-Term Investments 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] Number of reportable segments Number of Reportable Segments Total current liabilities Liabilities, Current Customer relationships Customer Relationships [Member] Summary of outstanding forward currency contracts Schedule of Derivative Instruments [Table Text Block] Derivative instrument liability Derivative Liability, Current Other comprehensive income (loss), net of tax Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract] Unit purchase agreement, preferred units issued (in shares) tcx_UnitPurchaseAgreementPreferredUnitsIssued Reprints preferred units issued under unit purchase agreement. Entity Address, City or Town Entity Address, City or Town Schedule of additional financial information Supplemental Balance Sheet Information [Table Text Block] The tabular disclosure of supplemental balance sheet information. Statement [Line Items] Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] Software, Internally Developed and Purchased Software, Internally Developed and Purchased [Member] Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] Total Amortizable intangible assets Intangible Asset, Finite-Lived, after Accumulated Amortization Peer Group Total Shareholder Return Amount Peer Group Total Shareholder Return Amount Level 2 Fair Value, Inputs, Level 2 [Member] Total Shareholder Return Vs Peer Group Total Shareholder Return Vs Peer Group [Text Block] Non-Rule 10b5-1 Arrangement Terminated Non-Rule 10b5-1 Arrangement Terminated [Flag] Revenue Benchmark Revenue Benchmark [Member] United States UNITED STATES Subsequent Event Type [Axis] Subsequent Event Type [Axis] Concentration Risk Type [Axis] Concentration Risk Type [Axis] Schedule of Long-Term Debt Instruments [Table] Schedule of Long-Term Debt Instruments [Table] Unit purchase agreement, price per unit (in dollars per share) tcx_UnitPurchaseAgreementPricePerUnit The price per unit of units to be sold under unit purchase agreement. Capitalized Contract Cost [Domain] Capitalized Contract Cost [Domain] Standby fee rate on undrawn commitment tcx_UnitPurchaseAgreementMilestoneFundingsStandbyFeeRate Represents Milestone Fundings, Standby Fee Rate under unit purchase program. Intangible Asset, Indefinite-Lived and Finite-Lived [Roll Forward] Intangible Asset, Indefinite-Lived and Finite-Lived [Roll Forward] Intangible Asset, Indefinite-Lived and Finite-Lived Segment reporting Segment Reporting [Table Text Block] Related and Nonrelated Parties [Axis] Related and Nonrelated Parties [Axis] Revenue from Contract with Customer Revenue from Contract with Customer [Policy Text Block] Other comprehensive income (loss) net of tax expense (recovery) of $20 and $231 for the three months ended June 30, 2026 and June 30, 2025, and $(19) and $427 for the six months ended June 30, 2026 and June 30, 2025. Other comprehensive loss Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent Deferred Costs of Acquisition Deferred Costs of Acquisition [Member] Represents the information pertaining to the deferred costs of acquisition. Operating lease, schedule of maturity Lessee, Operating Lease, Liability, to be Paid, Maturity [Table Text Block] Exercise price, upper limit Share-Based Payment Arrangement, Option, Exercise Price Range, Upper Range Limit Document Period End Date Document Period End Date Subsidiaries Subsidiaries [Member] Maximum total funded debt to EBITDA ratio tcx_MaximumTotalFundedDebtToEBITDARatio Ratio of total funded debt to EDITDA that triggers obligation to repay 50% of excess cash flow as defined under the credit agreement. Preferred stock, outstanding (in units) Preferred Stock, Shares Outstanding Secured Fiber revenue notes Debt Instrument, Face Amount 2028 Lessee, Operating Lease, Liability, to be Paid, Year Two Term of debt instrument Debt Instrument, Term Segment reporting, reconciliation of other item by segment to consolidated Segment Reporting, Reconciliation of Other Item by Segment to Consolidated [Table Text Block] Consolidation, Eliminations Consolidation, Eliminations [Member] Value Added Services Value Added Services [Member] Represents Value Added Services. Lessee, Lease, Description [Line Items] Lessee, Lease, Description [Line Items] Other comprehensive income (loss), tax expense (recovery) Other Comprehensive Income (Loss), Tax, Portion Attributable to Parent Accumulated other comprehensive loss Beginning AOCI balance, Total AOCI Ending AOCI balance, Total AOCI Accumulated Other Comprehensive Income (Loss), Net of Tax Entity Shell Company Entity Shell Company Unit purchase agreement, aggregate additional preferred units (in shares) tcx_UnitPurchaseAgreementAggregateAdditionalPreferredUnits Represents aggregate additional preferred units under unit purchase agreement. Consolidation Items [Domain] Consolidation Items [Domain] Exercise Price Range 03 Exercise Price Range 03 [Member] Represents exercise price range 03. Operating lease liability, current portion Operating Lease, Liability, Current Basic and Diluted Loss per Common Share Earnings Per Share [Text Block] Earnings Per Share [Abstract] Document Fiscal Period Focus Document Fiscal Period Focus Peer Group Issuers, Footnote Peer Group Issuers, Footnote [Text Block] Schedule of acquired intangible assets by major class Schedule of Acquired Intangible Assets by Major Class [Table Text Block] Tabular disclosure of the characteristics, including initial carrying value, residual amount, weighted average useful life, of finite and indefinite-lived intangible assets acquired during the period by major class. A major class is composed of intangible assets that can be grouped together because they are similar, either by nature or by their use in the operations of the company. Trading Symbol Trading Symbol Network, other costs Network, other costs Cost of network induced expenses incurred and directly related to good produced and service rendered. Additions to property and equipment Payments to Acquire Property, Plant, and Equipment New right of use assets - operating leases New right of use assets - operating leases The amount of increase (decrease) of lessee's right to use underlying asset under operating lease. Income taxes payable Accrued Income Taxes, Current Capitalized Contract Cost [Axis] Capitalized Contract Cost [Axis] Company Selected Measure Name Company Selected Measure Name Income Tax Disclosure [Abstract] Intangible Asset, Indefinite-Lived [Table] Intangible Asset, Indefinite-Lived [Table] Credit Facility [Domain] Credit Facility [Domain] Share-based payment arrangement, option, exercise price range Share-Based Payment Arrangement, Option, Exercise Price Range [Table Text Block] Depreciation and amortization Depreciation, Depletion and Amortization, Nonproduction Cash provided by operating activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract] Intangible Asset, Indefinite-Lived [Line Items] Intangible Asset, Indefinite-Lived [Line Items] Equity Valuation Assumption Difference, Footnote Equity Valuation Assumption Difference, Footnote [Text Block] Share-Based Payment Arrangement, Option, Exercise Price Range [Table] Share-Based Payment Arrangement, Option, Exercise Price Range [Table] Brand Brand [Member] Represents the brand name of an entity. Collaborative Arrangement and Arrangement Other than Collaborative [Axis] Collaborative Arrangement and Arrangement Other than Collaborative [Axis] Accretion of redeemable preferred units Accretion of redeemable preferred units Represents accretion of redeemable preferred shares. Percentage of initial grants exercising within three months Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Percentage Weighted average exercise price per share Share-Based Payment Arrangement, Option, Exercise Price Range, Outstanding, Weighted Average Exercise Price Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] Gross profit Gross Profit Other operating assets and liabilities Increase (Decrease) in Other Operating Assets and Liabilities, Net Redeemable Preferred Unit [Roll Forward] Redeemable Preferred Unit [Roll Forward] Redeemable Preferred Unit Operating lease - operating cash flows (fixed payments) Operating Lease, Payments Award Timing Predetermined Award Timing Predetermined [Flag] Adjustment To PEO Compensation, Footnote Adjustment To PEO Compensation, Footnote [Text Block] Level 1 Fair Value, Inputs, Level 1 [Member] Software, Internally Developed Software, Internally Developed [Member] 2030 tcx_CapitalPurchaseObligationToBePaidYearFour Amount of capital purchase arrangement to be paid in fourth fiscal year following current fiscal year. Includes, but is not limited to, recorded and unrecorded purchase obligations, long-term purchase commitment, and short-term purchase commitment. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). Depreciation of property and equipment Depreciation of property and equipment Depreciation Vesting [Domain] Vesting [Domain] Plan Name [Domain] Plan Name [Domain] Syndicated Revolver Syndicated Revolver [Member] Syndicated Revolver Scenario [Domain] Scenario [Domain] Outstanding, beginning of period (in dollars per share) Outstanding, end of period (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price Right of use lease asset Operating Lease, Right-of-Use Asset Legal fees related to debt issuance Legal Fees Concentration Risk Type [Domain] Concentration Risk Type [Domain] Domain Services Operating Segment Domain Services Operating Segment [Member] Information pertaining to Domain Services operating segment. Operating lease, renewal term Lessee, Operating Lease, Renewal Term Rights-of-way agreement, percent of broadband revenues Rights-Of-Way Agreement, Percent Of Broadband Revenues Rights-Of-Way Agreement, Percent Of Broadband Revenues Fair Value Disclosures [Abstract] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Capitalized contract cost Capitalized Contract Cost [Table Text Block] Expiration Date Trading Arrangement Expiration Date Hedging Relationship [Axis] Hedging Relationship [Axis] Loss contingency, debt service guarantee, revenue shortfall difference, upper threshold tcx_LossContingencyDebtServiceGuaranteeRevenueShortfallDifferenceUpperThreshold Represents the upper threshold of revenue shortfall difference that triggers the debt service guarantee. Buildings Building [Member] Estimated possible payment due upon redemption request Loss Contingency, Estimate of Possible Loss Options exercisable, end of period (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Number Aggregate Pension Adjustments Service Cost Aggregate Pension Adjustments Service Cost [Member] Derivative [Table] Derivative [Table] Other income (expenses): Other Income and Expenses [Abstract] Common stock, no par value Common Stock, No Par Value Investing activities: Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract] Operating lease, remaining lease terms Lessee, Operating Lease, Remaining Lease Term Unrecognized compensation cost relating to unvested stock options Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount Amortization of capitalized contract costs Capitalized Contract Cost, Amortization Period Segments [Domain] Segments [Domain] Cash and cash equivalents, restricted cash, and restricted cash equivalents beginning of period Cash and cash equivalents, restricted cash, and restricted cash equivalents end of period Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Including Discontinued Operation Term specified further investment is to be made Contingent Consideration, Purchase Of Redeemable Preferred Shares, Term Contingent Consideration, Purchase Of Redeemable Preferred Shares, Term Long Term Debt Debt Disclosure [Text Block] Scenario [Axis] Scenario [Axis] Total obligations Contractual Obligation Contractual obligation, fiscal year maturity Contractual Obligation, Fiscal Year Maturity [Table Text Block] Debt issuance costs Debt Issuance Costs, Net PEO Actually Paid Compensation Amount PEO Actually Paid Compensation Amount Greater than or equal to 2.00 and less than 2.75 Debt To Ebitda Is Greater Than Or Equal To 200 And Less Than 275 [Member] Represents Debt to EBITDA is Greater Than or Equal to 2.00 and Less Than 2.75. Line of Credit Facility [Abstract] Schedule of property plant and equipment by geographic region Schedule of Property Plant and Equipment by Geographic Region [Table Text Block] Represents the schedule of property plant and equipment by geographic region table text block. Thereafter tcx_LesseeOperatingLeaseLiabilityToBePaidAfterYearFour Amount of lessee's undiscounted obligation for lease payment for operating lease due after fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). Interest rate Debt Instrument, Interest Rate, Stated Percentage Total stockholders' deficit Balances Balances Equity, Attributable to Parent Assets Assets [Abstract] Other Current Liabilities Other Liabilities, Current [Abstract] Less: Deferred preferred financing costs tcx_FinancialInstrumentsSubjectToMandatoryRedemptionDeferredPreferredFinancingCosts Represents deferred preferred financing costs. Insider Trading Policies and Procedures [Line Items] Accounts receivable, expected credit loss Accounts Receivable, Allowance for Credit Loss, Current 2028 tcx_CapitalPurchaseObligationToBePaidYearTwo Amount of capital purchase arrangement to be paid in second fiscal year following current fiscal year. Includes, but is not limited to, recorded and unrecorded purchase obligations, long-term purchase commitment, and short-term purchase commitment. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest [Abstract] Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest [Abstract] Prepaid expenses and other Prepaid expenses and other Prepaid Expense and Other Assets, Current Deferred income taxes (recovery) Deferred Income Tax Expense (Benefit) Additional Financial Information Supplemental Balance Sheet Disclosures [Text Block] Interest expense, net Interest expense, net Interest Income (Expense), Nonoperating Number of operating segments Number of Operating Segments Deferred costs of fulfillment, long-term portion Capitalized Contract Cost, Net, Noncurrent Entity Central Index Key Entity Central Index Key Accumulated depreciation Property, Plant, and Equipment, Accumulated Depreciation, Depletion, and Amortization Additional paid-in capital Additional Paid in Capital, Common Stock Equity [Abstract] 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] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Preferred dividend rate Preferred Stock, Dividend Rate, Percentage Share Repurchase Program [Table] Share Repurchase Program [Table] Designated as Hedging Instrument Designated as Hedging Instrument [Member] Number of customers tcx_NumberOfCustomers Represents the number of customers as defined by the entity. Number of shares Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding [Roll Forward] Basis spread on variable interest rate Debt Instrument, Basis Spread on Variable Rate Variable Rate [Domain] Variable Rate [Domain] Accumulated other comprehensive income (loss) AOCI Attributable to Parent [Member] All Individuals All Individuals [Member] Finished goods Inventory, Finished Goods, Net of Reserves Period of cost recognition Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition Balance Sheet Related Disclosures [Abstract] Lease term Lessee, Operating Lease, Lease Not yet Commenced, Term of Contract Statement [Line Items] Statement [Line Items] Total assets Assets Weighted average exchange rate of U.S. dollars Derivative, Average Forward Exchange Rate Common shares set aside for issuance (in shares) Common Stock, Capital Shares Reserved for Future Issuance Operating Segments Operating Segments [Member] Interest expense Interest Expense, Nonoperating The 2022 Wavelo Equity Compensation Plan The 2022 Wavelo Equity Compensation Plan [Member] Information on the 2022 Wavelo Equity Compensation Plan. Share-based payment arrangement, expensed and capitalized, amount Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block] Equity Compensation Plan 2006 Equity Compensation Plan 2006 [Member] Represents the Equity Compensation Plan 2006. Share-Based Payments Share-Based Payment Arrangement [Text Block] Remainder of 2026 Contractual Obligation, to be Paid, Remainder of Fiscal Year PEO PEO [Member] Balances (in shares) Balances (in shares) Shares, Outstanding Debt instrument, term of interest only payments (years) tcx_DebtInstrumentTermOfInterestOnlyPayments Period of time in which only interest is paid under a debt agreement, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Deferred costs of fulfillment Increase (Decrease) in Prepaid Expense Expired (in dollars per share) Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Expirations in Period, Weighted Average Exercise Price Payment required if separately granted purchase option not exercised Contingent Consideration, Purchase of Redeemable Preferred Shares, Separate Purchase Option Not Exercised Contingent Consideration, Purchase of Redeemable Preferred Shares, If Separate Purchase Option Not Exercised Within 12 Months Other long-term liabilities Other Liabilities, Noncurrent Goodwill Goodwill Forgone Recovery due to Violation of Home Country Law, Amount Forgone Recovery due to Violation of Home Country Law, Amount Retained earnings (Accumulated Deficit) Retained Earnings [Member] Operating lease liability, long-term portion Operating Lease, Liability, Noncurrent Total expenses Operating expenses Operating Expenses Revolving Credit Facility Revolving Credit Facility [Member] Fair Value Measurement, Policy Fair Value Measurement, Policy [Policy Text Block] Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Common stock, outstanding (in shares) Common Stock, Shares, Outstanding Award Timing Disclosures [Line Items] Diluted loss per common share Earnings Per Share, Diluted Exercise Price Range 02 Exercise Price Range 02 [Member] Represents exercise price range 02. Prepaid expenses and deposits Increase (Decrease) in Prepaid Expense and Other Assets Capitalized interest Interest Costs Capitalized Mobile Services Mobile Services [Member] Represents mobile services. Amortization expense Intangible Asset, Finite-Lived, Amortization Expense Lease Contractual Term [Domain] Lease Contractual Term [Domain] Acquired finite-lived intangible assets Intangible Asset, Finite-Lived, Acquired Platform Services Platform Services [Member] Represents platform services. Share-Based Payment Arrangement [Abstract] Revenues Revenue from Contract with Customer, Excluding Assessed Tax Line of credit facility, remaining borrowing capacity Line of Credit Facility, Remaining Borrowing Capacity Ting Ting [Member] Represents Ting service. Series A Preferred Units Series A Preferred Units [Member] Represents series A preferred units. Income earned on sale of transferred assets tcx_PurchaseAgreementIncome The amount of income from a purchase agreement. Remainder of 2026 tcx_CapitalPurchaseObligationToBePaidRemainderOfFiscalYear Amount of capital purchase arrangement to be paid in the remaining current fiscal year. Includes, but is not limited to, recorded and unrecorded purchase obligations, long-term purchase commitment, and short-term purchase commitment. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). Equity Awards Adjustments, Footnote Equity Awards Adjustments, Footnote [Text Block] Share Repurchase Program [Line Items] Share Repurchase Program [Line Items] Subsegments [Domain] Subsegments [Domain] Network, depreciation and amortization Network, depreciation and amortization Cost, Depreciation and Amortization Exercise Price Range [Axis] Exercise Price Range [Axis] Exercise Price Range 07 Exercise Price Range 07 [Member] Represents exercise price range 07. Capitalized Contract Cost [Table] Capitalized Contract Cost [Table] Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Additional Disclosures [Abstract] Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Additional Disclosures [Abstract] Computer software Computer Software [Member] Represents the computer software. Access and use agreement, term Access And Use Agreement, Term Access And Use Agreement, Term Loss from operations Operating Income (Loss) Remaining performance obligation, amount Revenue, Remaining Performance Obligation, Amount Net proceeds from debt Proceeds from Issuance of Debt Rule 10b5-1 Arrangement Adopted Rule 10b5-1 Arrangement Adopted [Flag] Impairment expense Asset, Impairment Loss Schedule of financing receivable, allowance for credit loss Financing Receivable, Allowance for Credit Loss [Table Text Block] Common stock, issued (in shares) Common Stock, Shares, Issued Exercise Price Range 04 Exercise Price Range 04 [Member] Represents exercise price range 04. Principal Loans Payable Forward Contracts Forward Contracts [Member] 2028 Purchase Obligation, to be Paid, Year Two Direct cost of revenues Cost of revenues Cost of Goods and Service, Excluding Depreciation, Depletion, and Amortization Contract costs Deferred Costs, Noncurrent Accounts receivable Increase (Decrease) in Accounts Receivable Product and Service [Domain] Product and Service [Domain] Class of Stock [Line Items] Class of Stock [Line Items] Disaggregation of Revenue [Table] Disaggregation of Revenue [Table] Long-Term Debt Long-Term Debt [Member] Deferred tax liability Deferred Income Tax Liabilities, Net Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] Greater than or equal to 2.75 and less than 3.50 Debt To Ebitda Is Greater Than Or Equal To 275 And Less Than 350 [Member] Represents Debt to EBITDA is Greater Than or Equal to 2.75 and Less Than 3.50. 2029 Lessee, Operating Lease, Liability, to be Paid, Year Three Termination Date Trading Arrangement Termination Date Subsequent Events [Abstract] Compensation Actually Paid vs. Total Shareholder Return Compensation Actually Paid vs. Total Shareholder Return [Text Block] Costs to obtain and fulfill a Contract Capitalized Contract Costs [Text Block] Entire disclosure for capitalized costs in obtaining for fulfilling contract with customer. Other current liabilities Total other current liabilities Other Liabilities, Current Expiration period Share-Based Compensation Arrangement by Share-Based Payment Award, Expiration Period Line of Credit Facility, Lender [Domain] Line of Credit Facility, Lender [Domain] Accrued liabilities Accrued Liabilities, Current Ting Fiber Inc. Ting Fiber Inc [Member] The legal entity represent the Ting Fiber Inc. Fair Value as of Grant Date Award Grant Date Fair Value Amortization of intangible assets tcx_TangibleAssetImpairmentChargesIncludingLossOnDispositionOfAssets The charge against earnings resulting from the aggregate write down of tangible assets from their carrying value to their fair value, including loss on disposal of assets. Contract liabilities tcx_ContractWithCustomerLiabilityAdditions Amount of additions of obligation to transfer good or service to customer for which consideration has been received or is receivable. (Gain) loss on disposition of property and equipment Gain (Loss) on Disposition of Assets Goodwill [Table] Goodwill [Table] Rights-of-way agreement, term Rights-Of-Way Agreement, Term Rights-Of-Way Agreement, Term Pay vs Performance Disclosure, Table Pay vs Performance [Table Text Block] Arrangement Duration Trading Arrangement Duration Purchase Obligations Purchase Obligation, Fiscal Year Maturity [Abstract] Consolidation Items [Axis] Consolidation Items [Axis] Deferred costs of fulfillment, current portion Capitalized Contract Cost, Net, Current Entity Address, Postal Zip Code Entity Address, Postal Zip Code Entity Registrant Name Entity Registrant Name Insider Trading Policies and Procedures Not Adopted Insider Trading Policies and Procedures Not Adopted [Text Block] Interest expense Interest Expense, Other Tucows Domain Name Services Tucows Domain Name Services [Member] Represents information about domain name services. Total net revenues Revenues Assets under construction Asset under Construction [Member] Other Assets Other Assets [Abstract] Accounts payable & accrued liabilities Increase (Decrease) in Accounts Payable and Accrued Liabilities Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount Debt extension term Debt Instrument, Extension Term Period of extension. Award vesting period Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period Expired (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Expirations in Period Furniture and equipment Furniture and Fixtures [Member] Intangible Asset, Finite-Lived, Class [Domain] Intangible Asset, Finite-Lived, Class [Domain] Carrying amount of redeemable preferred units Temporary Equity, Carrying Amount, Attributable to Parent Schedule of fair value, assets and liabilities measured on recurring basis Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] 2029 Contractual Obligation, to be Paid, Year Three Award Type [Domain] Award Type [Domain] Remaining of 2026 Lessee, Operating Lease, Liability, to be Paid, Remainder of Fiscal Year Fair Value Measurement Fair Value Disclosures [Text Block] Level 3 Fair Value, Inputs, Level 3 [Member] Less than 2.00 Debt To Ebitda Is Less Than 200 [Member] Represents debt to EBITDA is less than 2.00 2027 Intangible Asset, Finite-Lived, Estimated Amortization Expense, Year One Term of lease contract Lessee, Operating Lease, Term of Contract Geographical [Axis] Geographical [Axis] Balance, beginning of period Balance, end of period Contract with Customer, Liability Active Domain Name Contracts Active Domain Name Contracts [Member] Represents information related to the active domain name contracts. Legal Entity [Axis] Legal Entity [Axis] Interest expense Interest Expense, Debt Weighted average exercise price per share Share-Based Payment Arrangement, Option, Exercise Price Range, Exercisable, Weighted Average Exercise Price Lessee, Lease, Description [Table] Lessee, Lease, Description [Table] Total cash and cash equivalents, restricted cash, and restricted cash equivalents end of period Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Non-NEOs Non-NEOs [Member] 2028 Intangible Asset, Finite-Lived, Estimated Amortization Expense, Year Two Schedule of debt Schedule of Debt [Table Text Block] Customer [Domain] Customer [Domain] Leases Lessee, Operating Leases [Text Block] Long-Term Debt, Type [Domain] Long-Term Debt, Type [Domain] Contract liabilities, current portion Contract with Customer, Liability, Current Redeemable Preferred Units [Line Items] Redeemable Preferred Units [Line Items] Redeemable Preferred Units Statistical Measurement [Axis] Statistical Measurement [Axis] Summary of the effects of derivative instruments on income and AOCI Derivative Instruments, Gain (Loss) [Table Text Block] Total cost of revenues Cost of revenues Cost of Revenue Award Type [Axis] Award Type [Axis] Other comprehensive income (loss) before reclassifications, Gains and losses on cash flow hedges Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification and Tax Exercise Price Range 05 Exercise Price Range 05 [Member] Represents exercise price range 05. Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Accumulated deficit Retained Earnings (Accumulated Deficit) Product and Service [Axis] Product and Service [Axis] Secured notes reserve funds Restricted cash included in secured notes reserve funds Restricted Cash, Noncurrent Other comprehensive income (loss), Total AOCI Amount of Gain or (Loss) Recognized in OCI, net of tax, on Derivative Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax, Parent Awards Close in Time to MNPI Disclosures Awards Close in Time to MNPI Disclosures [Table] Common stock Common Stock [Member] Syndicated revolver Syndicated Revolver, long-term portion Loans Payable, Noncurrent 2029 tcx_CapitalPurchaseObligationToBePaidYearThree Amount of purchase arrangement to be paid in third fiscal year following current fiscal year. Includes, but is not limited to, recorded and unrecorded purchase obligations, long-term purchase commitment, and short-term purchase commitment. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). Operating lease expense (leases with a total term greater than 12 months) Operating Lease, Cost Additional investment in subsidiaries Contingent Consideration, Additional Investment In Subsidiaries Contingent Consideration, Additional Investment In Subsidiaries Expected dividend yield Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Dividend Rate Other Income (Expense) [Line Items] Other Income (Expense) [Line Items] Other Income (Expense) Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Axis] Derivative Contract [Domain] Derivative Contract [Domain] Proceeds from billing dispute settlement Proceeds From Billing Dispute Settlement Proceeds From Billing Dispute Settlement Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] Total liabilities and stockholders' deficit Liabilities and Equity Exercise Price Range 06 Exercise Price Range 06 [Member] Represents exercise price range 06. Variable lease expense Variable Lease, Cost Secured Fiber Revenue Notes, Series 2024-1, Class A-2 Secured Fiber Revenue Notes, Series 2024-1, Class A-2 [Member] Represents Secured Fiber Revenue Notes, Series 2024-1, Class A-2. Share-Based Payment Arrangement, Option Share-Based Payment Arrangement, Option [Member] Segments [Axis] Segments [Axis] Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Related and Nonrelated Parties [Domain] Related and Nonrelated Parties [Domain] Contractual obligation, term (years) tcx_ContractualObligationTerm The length of term for leased assets, including but not limited to, furniture and equipment, that is not directly or indirectly associated with the manufacture, sale or creation of a product or product line and other contractual obligations. Tabular List, Table Tabular List [Table Text Block] Vesting [Axis] Vesting [Axis] 2029 Intangible Asset, Finite-Lived, Estimated Amortization Expense, Year Three Remainder of 2026 Intangible Asset, Finite-Lived, Estimated Amortization Expense, Remainder of Fiscal Year Name Awards Close in Time to MNPI Disclosures, Individual Name Amortization period Redeemable Preferred Stock, Amortization Period Redeemable Preferred Stock, Amortization Period 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] Aggregate intrinsic value Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Intrinsic Value Long-Lived Asset, Class [Domain] Long-Lived Asset, Class [Domain] City of Westminster, Maryland City of Westminster, Maryland [Member] The legal entity represent the city of Westminster, Maryland. Property, Plant, and Equipment [Table] Property, Plant, and Equipment [Table] Adjustment to Compensation: Adjustment to Compensation [Axis] Access and use agreement, headstart period Access And Use Agreement, Headstart Period Access And Use Agreement, Headstart Period Percentage of goodwill related to operating segments Goodwill, Percentage Related To Operating Segments Represents the percentage of goodwill in relation to the company's operating segments. Preferred Units, Class [Domain] Preferred Units, Class [Domain] Rule 10b5-1 Arrangement Terminated Rule 10b5-1 Arrangement Terminated [Flag] Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount Interest paid Interest Paid, Excluding Capitalized Interest, Operating Activity 2027 Contractual Obligation, to be Paid, Year One Secured Fiber Revenue Notes, Series 2023-1, Class B Secured Fiber Revenue Notes, Series 2023-1, Class B [Member] Relating to Secured Fiber Revenue Notes, Series 2023-1, Class B. Fiber network (1) Fiber Network [Member] Represents the Fiber Network. Hedging Designation [Axis] Hedging Designation [Axis] Credit Facility [Axis] Credit Facility [Axis] Name Measure Name Pay vs Performance Disclosure [Line Items] Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Debt Instrument [Line Items] Debt Instrument [Line Items] Additional paid in capital Additional Paid-in Capital [Member] Intangible Asset, Indefinite-Lived, Class [Axis] Intangible Asset, Indefinite-Lived, Class [Axis] Disposals from domain portfolio, net tcx_IntangibleAssetsAdditionsDisposal Amount of addition or disposal in intangible assets. Goodwill impairment loss Goodwill, Impairment Loss Intersegment revenues Revenue Not from Contract with Customer Name Trading Arrangement, Individual Name Term of accrual unless preferred units redeemed Preferred Stock, Accrued Dividends, Term Not Payable Unless Redeemed Preferred Stock, Accrued Dividends, Term Not Payable Unless Redeemed Cash and cash equivalents Cash and Cash Equivalent Raw materials Inventory, Raw Materials, Net of Reserves Company Selected Measure Amount Company Selected Measure Amount Income tax receivable Income Taxes Receivable Secured Overnight Financing Rate (SOFR) Secured Overnight Financing Rate (SOFR) [Member] Stock-based compensation (in shares) Shares Issued, Shares, Share-Based Payment Arrangement, after Forfeiture Weighted average remaining lease term Operating Lease, Weighted Average Remaining Lease Term Non-PEO NEO Non-PEO NEO [Member] Tucows Domains Tucows Domains [Member] Relates to Tucows Domains. Other income (expense) Other Income and Other Expense Disclosure [Text Block] Customer Concentration Risk Customer Concentration Risk [Member] Cost of revenue Cost of Product and Service Sold Purchase obligations Purchase Obligation Technology Technology-Based Intangible Assets [Member] Award Timing Method Award Timing Method [Text Block] Increase (decrease) in cash and cash equivalents, restricted cash, and restricted cash equivalents Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation Forecast Forecast [Member] Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Net loss for the period Net loss for the period Net loss Net Income (Loss) Attributable to Parent The 2022 Ting Equity Compensation Plan The 2022 Ting Equity Compensation Plan [Member] Relating to the 2022 Ting Equity Compensation Plan. Long-Term Debt, Type [Axis] Long-Term Debt, Type [Axis] Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] Location, Statement of Financial Position, Balance [Axis] Location, Statement of Financial Position, Balance [Axis] Proceeds on disposal of property and equipment Proceeds from Sale of Property, Plant, and Equipment Restatement Determination Date: Restatement Determination Date [Axis] Summary of movement in Accumulated other comprehensive income (AOCI) balance Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Options exercisable, end of period (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted Average Exercise Price Share-Based Payment Arrangement, Option, Exercise Price Range [Line Items] Share-Based Payment Arrangement, Option, Exercise Price Range [Line Items] Thereafter tcx_CapitalPurchaseObligationToBePaidAfterYearFour Amount of capital purchase arrangement to be paid after the fourth fiscal year following current fiscal year. Includes, but is not limited to, recorded and unrecorded purchase obligations, long-term purchase commitment, and short-term purchase commitment. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). Redeemable Preferred Units [Table] Redeemable Preferred Units [Table] Redeemable Preferred Units [Table] Revenues [Abstract] Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block] One Customer One Customer [Member] Represents one customer. Schedule of net book value of acquired intangible assets Intangible Asset and Goodwill [Table Text Block] Statistical Measurement [Domain] Statistical Measurement [Domain] Other comprehensive income (loss), Gains and losses on cash flow hedges Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification, before Tax, Parent Document Fiscal Year Focus Document Fiscal Year Focus Acquisition and other costs Business Combination, Acquisition-Related Cost, Expense Revenue, remaining performance obligation, expected timing of satisfaction Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period Line of credit facility, additional borrowing capacity available through new commitment Line Of Credit Facility, Additional Borrowing Capacity Available Through New Commitment Additional borrowing capacity available through new commitment under line of credit facility. Customer [Axis] Customer [Axis] Common stock - no par value, 250,000,000 shares authorized; 11,134,174 and 11,111,453 shares issued and outstanding as of June 30, 2026 and December 31, 2025 Common Stock, Value, Issued 2027 Lessee, Operating Lease, Liability, to be Paid, Year One Ting Internet Ting Internet [Member] Ting Internet Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis] Line of Credit Line of Credit [Member] Restatement Determination Date Restatement Determination Date Balance at beginning of period Balance at end of the period Accounts Receivable, Allowance for Credit Loss Amendment Flag Amendment Flag Goodwill [Line Items] Goodwill [Line Items] Current liabilities: Liabilities, Current [Abstract] Goodwill and Intangible Assets, Policy Goodwill and Intangible Assets, Policy [Policy Text Block] Stock Buyback Program, February 2026 Stock Buyback Program, February 2026 [Member] Stock Buyback Program, February 2026 Schedule of standby fees based on total funded debt to EBITDA ratio Schedule of Standby Fees Based on Total Funded Debt to EBITDA Ratio [Table Text Block] Tabular disclosure of standby fees based on Total Funded Debt to EBITDA Ratio. Redeemable Preferred Units Summary Of Redeemable Preferred Shares [Text Block] Disclosure of accounting policy for redeemable preferred shares. Loss Contingencies [Table] Loss Contingencies [Table] Fiber Internet Services Fiber Internet Services [Member] Related to fiber internet services. Adjustment to Non-PEO NEO Compensation Footnote Adjustment to Non-PEO NEO Compensation Footnote [Text Block] Property, Plant, and Equipment [Abstract] Entity Address, State or Province Entity Address, State or Province PEO Total Compensation Amount PEO Total Compensation Amount Secured Fiber Revenue Notes, Series 2023-1, Class C Secured Fiber Revenue Notes, Series 2023-1, Class C [Member] Relating to Secured Fiber Revenue Notes, Series 2023-1, Class C. Share Repurchase Program [Domain] Share Repurchase Program [Domain] Notional amount of U.S. dollars Derivative, Notional Amount Shares used in computing basic loss per common share (in shares) Basic weighted average number of common shares outstanding (in shares) Weighted Average Number of Shares Outstanding, Basic Loss Contingencies [Line Items] Loss Contingencies [Line Items] Construction Revenue Construction Revenue [Member] Construction Revenue 2030 Lessee, Operating Lease, Liability, to be Paid, Year Four Net revenues Revenue from external customers Revenue from Contract with Customer, Including Assessed Tax Other Income (Expense) [Table] Other Income (Expense) [Table] Other Income (Expense) [Table] Consideration paid for data center Asset Acquisition, Consideration Transferred Award Timing MNPI Disclosure Award Timing MNPI Disclosure [Text Block] Class of Stock [Axis] Class of Stock [Axis] Basis of Presentation Basis of Accounting, Policy [Policy Text Block] Redeemable preferred units - no par value, 33,333,333 units authorized; 15,243,600 units issued and outstanding as of March 31, 2026 and December 31, 2025 Total Redeemable preferred units Financial Instruments Subject to Mandatory Redemption, Settlement Terms, Share Value, Amount, Noncurrent Line of credit facility, maximum borrowing capacity Line of Credit Facility, Maximum Borrowing Capacity Notes Payable [Abstract] Sources Outside of Canada and USA Sources Outside Of Canada And USA [Member] Sources Outside Of Canada And USA Network rights Network Rights [Member] Represents the network rights. Capitalized stock based compensation Capitalized stock based compensation Share-Based Payment Arrangement, Amount Capitalized Recent Accounting Pronouncements Not Yet Adopted New Accounting Pronouncements, Policy [Policy Text Block] Property and equipment acquired during the period not yet paid for Capital Expenditures Incurred but Not yet Paid Land Land [Member] Contract liabilities Increase (Decrease) in Contract with Customer, Liability Other comprehensive income (loss) before reclassifications, Tax impact Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, Tax (Gain) loss on disposition of property and equipment Gain (Loss) on Disposition of Property Plant Equipment Amortization of debt issuance costs Amortization of Debt Issuance Costs Exercise Price Range 01 Exercise Price Range 01 [Member] Represents exercise price range 01. Reconciliation of cash, cash equivalents, restricted cash, and restricted cash equivalents within the interim consolidated balance sheets to the amounts shown in the interim consolidated statements of cash flows above: Segment Reporting, Reconciliation [Abstract] Long-term debt Commitment held by syndicate member Long-Term Debt 2029 Purchase Obligation, to be Paid, Year Three Property and Equipment Property, Plant, and Equipment [Text Block] Change in non-cash operating working capital Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Increase (Decrease) in Operating Capital [Abstract] Net cash provided by (used in) investing activities Cash Provided by (Used in) Investing Activity, Including Discontinued Operation Equity Awards Adjustments, Excluding Value Reported in Compensation Table Equity Awards Adjustments, Excluding Value Reported in the Compensation Table [Member] Stockholders' Deficit Equity [Text Block] Less: Costs and Expenses [Abstract] Security Exchange Name Security Exchange Name Customer deposits Customer deposits The amount of customer deposit liability, classified as current. Granted (in dollars per share) Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Grants in Period, Weighted Average Exercise Price Additional capital commitments tcx_UnitPurchaseAgreementAdditionalCapitalCommitments Represents additional capital commitments under unit purchase agreement. Number of shares authorized for issuance (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized Schedule of property and equipment Property, Plant, and Equipment [Table Text Block] Name Outstanding Recovery, Individual Name Award Timing, How MNPI Considered Award Timing, How MNPI Considered [Text Block] Government grants Government Assistance, Award Amount 2027 Purchase Obligation, to be Paid, Year One Debt Instrument, Covenant, Scenario [Domain] Debt Instrument, Covenant, Scenario [Domain] Debt Instrument, Covenant, Scenario Assets held for sale Asset, Held-for-Sale, Not Part of Disposal Group, Current Geographical [Domain] Geographical [Domain] Interest income and interest expense disclosure Interest Income and Interest Expense Disclosure [Table Text Block] 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] Royal Bank, Bank of Montreal, Bank of Nova Scotia, HSBC and CIBC RoyalBankBankOfMontrealBankOfNovaScotiaHsbcAndCibc [Member] Represents information realted to Royal Bank, Bank of Montreal, Bank of Nova Scotia, HSBC, and CIBC. Make whole premium Stock Redeemed Or Called, Discount On Premium, Value Stock Redeemed Or Called, Discount On Premium, Value Weighted average remaining contractual life (years) Share-Based Payment Arrangement, Option, Exercise Price Range, Outstanding, Weighted-Average Remaining Contractual Term Amortization of debt discount and issuance costs Amortization of Debt Issuance Costs and Discounts Supplementary disclosure of non-cash investing and financing activities: Noncash Investing and Financing Items [Abstract] Purchase of preferred units Payments to Acquire Interest in Subsidiaries and Affiliates Principal Long-Term Debt, Gross Segment Adjusted EBITDA Segment Adjusted EBITDA tcx_AdjustedEBITDA Represents net income before interest expense, taxes, depreciation and amortization, as further adjusted for other non-cash items. Unpaid preferred stock dividends Preferred Stock, Amount of Preferred Dividends in Arrears Compensation Amount Outstanding Recovery Compensation Amount Amortized expense included in cost of revenue Capitalized Contract Cost, Amortization Individual: Individual [Axis] Diluted weighted average number of 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 Derivative Instruments and Hedging Derivatives, Policy [Policy Text Block] Underlying Security Market Price Change Underlying Security Market Price Change, Percent Derivative Instruments and Hedging Activities Derivative Instruments and Hedging Activities Disclosure [Text Block] Exercise price, lower limit Share-Based Payment Arrangement, Option, Exercise Price Range, Lower Range Limit Number exercisable Share-Based Payment Arrangement, Option, Exercise Price Range, Shares Exercisable Less imputed interest Lessee, Operating Lease, Liability, Undiscounted Excess Amount Revenue from Contract with Customer [Abstract] Cost of revenues: Cost of Revenue [Abstract] Capitalized Cost, Software to be Sold, Leased, or Marketed, after Accumulated Amortization [Roll Forward] Capitalized Cost, Software to be Sold, Leased, or Marketed, after Accumulated Amortization [Roll Forward] Intangible Asset, Goodwill and Other [Abstract] Letters of credit Letters of Credit Outstanding, Amount Stock Buyback Program 2024 Stock Buyback Program 2024 [Member] Represents the 2024 Stock Buyback Program. Acquisition of intangible assets Payments To Acquire Intangible Assets, Net Payments To Acquire Intangible Assets, Net Preferred units redeemed (in shares) Stock Redeemed or Called During Period, Shares Organization, Consolidation and Presentation of Financial Statements [Abstract] Intangible Asset, Indefinite-Lived, Class [Domain] Intangible Asset, Indefinite-Lived, Class [Domain] Add: Accretion of redeemable preferred units Financial Instruments Subject to Mandatory Redemption, Settlement Terms, Impact of Changes in Fair Value of Shares on Amount Total future lease payments Lessee, Operating Lease, Liability, to be Paid Loss contingency, debt service guarantee, revenue shortfall difference, lower threshold tcx_LossContingencyDebtServiceGuaranteeRevenueShortfallDifferenceLowerThreshold Represents the lower threshold of revenue shortfall difference that triggers the debt service guarantee. All Executive Categories All Executive Categories [Member] Pension Adjustments Service Cost Pension Adjustments Service Cost [Member] Exercise Price Range [Domain] Exercise Price Range [Domain] Asset Acquisition [Domain] Asset Acquisition [Domain] Impairment of property and equipment Tangible Asset Impairment Charges Schedule of depreciation, property and equipment Schedule of Depreciation [Table Text Block] Represents the schedule of depreciation table text block. Sales and marketing Sales and marketing Selling and Marketing Expense 2030 Contractual Obligation, to be Paid, Year Four Deferred Revenue and Contract Assets [Roll Forward] Deferred Revenue and Contract Assets [Roll Forward] Deferred Revenue and Contract Assets Schedule of earnings per share, basic and diluted Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Segment Reporting Segment Reporting [Text Block] Minimum Minimum [Member] Data Center Data Center [Member] Data Center Thereafter tcx_ContractualObligationToBePaidAfterYearFour Amount of contractual obligation to be paid after fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). Disaggregation of revenue Disaggregation of Revenue [Table Text Block] Non-Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted [Flag] Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table [Member] Common stock, authorized (in shares) Common Stock, Shares Authorized Finite-lived intangible assets, useful life Intangible Asset, Finite-Lived, Useful Life Net amount reclassified to earnings tcx_OtherComprehensiveIncomeLossCashFlowHedgeGainLossIncludingDiscontinuedReclassificationAfterTax Amount, after tax, of reclassification of gain (loss) from accumulated other comprehensive income (AOCI) for derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness. Financial instruments subject to mandatory redemption disclosure Financial Instruments Subject to Mandatory Redemption Disclosure [Table Text Block] Exercise Price Award Exercise Price Thereafter tcx_PurchaseObligationToBePaidAfterYearFour Amount of purchase arrangement to be paid after fourth fiscal year following current fiscal year. Includes, but is not limited to, recorded and unrecorded purchase obligations, long-term purchase commitment, and short-term purchase commitment. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). Approved stock buyback program, repurchase amount Share Repurchase Program, Authorized, Amount Segment Reporting [Line Items] Segment Reporting [Line Items] Document Quarterly Report Document Quarterly Report 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] Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] Stock Buyback Program 2025 Stock Buyback Program 2025 [Member] Represents the 2025 Stock Buyback program. Lender Name [Axis] Lender Name [Axis] Exit agreement, interest rate on overdue payments Exit Agreement, Interest Rate On Overdue Payments Exit Agreement, Interest Rate On Overdue Payments Adjustment to acquisition of customer relationships Intangible Asset, Finite-Lived, Measurement Period Adjustment Note 19 - Redeemable Preferred Units Note 19 - Redeemable Preferred Units [Abstract] Note 19 - Redeemable Preferred Units Contract asset - long term Contract with Customer, Asset, after Allowance for Credit Loss, Noncurrent Awards Close in Time to MNPI Disclosures, Table Awards Close in Time to MNPI Disclosures [Table Text Block] Lease Contractual Term [Axis] Lease Contractual Term [Axis] Bank of Montreal and Royal Bank of Canada Bank of Montreal and Royal Bank of Canada [Member] Represents information pertaining to Bank of Montreal and Royal Bank of Canada. Equity Component [Domain] Equity Component [Domain] Adoption Date Trading Arrangement Adoption Date Schedule of other nonoperating income (expense) Schedule of Other Nonoperating Income (Expense) [Table Text Block] Counterparty Name [Domain] Counterparty Name [Domain] Total other expenses, net Nonoperating Income (Expense) Scheduled principal repayment tcx_DebtInstrumentScheduledRepaymentToBePaidPrincipal Amount of repayment of principal scheduled to be paid under debt instrument. Depreciation and amortization tcx_DepreciationAndAmortizationExcludingDebtDiscountsAndCosts The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets, excluding debt discounts and costs. Title Trading Arrangement, Individual Title Forgone Recovery due to Disqualification of Tax Benefits, Amount Forgone Recovery due to Disqualification of Tax Benefits, Amount Fees paid to lender Debt Instrument, Fee Amount Accounting Policies [Abstract] Accounting Policies [Abstract] Restatement does not require Recovery Restatement Does Not Require Recovery [Text Block] Total Operating Lease, Liability Outstanding, beginning of period (in shares) Outstanding, ending of period (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number Automatic Formula Grants of Nonqualified Stock Options Automatic Formula Grants of Nonqualified Stock Options [Member] Represents automatic formula grants of nonqualified stock options. Insider Trading Policies and Procedures Adopted Insider Trading Policies and Procedures Adopted [Flag] Capital purchase obligation tcx_CapitalPurchaseObligation Minimum amount of capital purchase arrangement in which the entity has agreed to expend funds to procure goods or services from a supplier Purchase agreement, duration of monthly fees tcx_PurchaseAgreementDurationOfMonthlyFees The duration of monthly fees in a purchase agreement. Repayments of debt Repayments of Debt Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Compensation Actually Paid vs. Net Income Compensation Actually Paid vs. Net Income [Text Block] Weighted Average Weighted Average [Member] 2027 tcx_CapitalPurchaseObligationToBePaidYearOne Amount of capital purchase arrangement to be paid in next fiscal year following current fiscal year. Includes, but is not limited to, recorded and unrecorded purchase obligations, long-term purchase commitment, and short-term purchase commitment. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). All Adjustments to Compensation All Adjustments to Compensation [Member] Corporate and other Segment Reporting, Reconciling Item, Corporate Nonsegment [Member] Preferred stock, liquidation preference Preferred Stock, Liquidation Preference, Value Net cash provided by (used in) operating activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation Accounts Receivable Accounts Receivable [Member] Revenue, remaining performance obligation, percentage Revenue, Remaining Performance Obligation, Percentage Income Statement [Abstract] Income Statement [Abstract] Stockholders' deficit Equity, Attributable to Parent [Abstract] Document Transition Report Document Transition Report Expenses: Operating Expenses [Abstract] Stock Appreciation Rights (SARs) Stock Appreciation Rights (SARs) [Member] Network access and use agreement, exclusivity period Network Access And Use Agreement, Exclusivity Period Network Access And Use Agreement, Exclusivity Period Increase of interest rate Debt Instrument, Interest Rate, Increase (Decrease) Return breach remedies, percentage over stated assets Unit Purchase Agreement, Return Breach, Percent Over Stated Assets Unit Purchase Agreement, Return Breach, Percent Over Stated Assets Opening Balance Redeemable preferred shares balance Financial Instruments Subject to Mandatory Redemption, Settlement Terms, Share Value, Amount, Current City Area Code City Area Code Wavelo Wavelo [Member] Related to Wavelo. Geographic Concentration Risk Geographic Concentration Risk [Member] Subsequent Events Subsequent Events [Text Block] Name Forgone Recovery, Individual Name Non-GAAP Measure Description Non-GAAP Measure Description [Text Block] Entity [Domain] Entity [Domain] Retail Retail [Member] Preferred stock, issued (in units) Preferred Stock, Shares Issued Accounts payable and accrued liabilities Accounts Payable and Other Accrued Liabilities, Current Preferred Units by Name [Axis] Preferred Units by Name [Axis] 2028 Contractual Obligation, to be Paid, Year Two Stock compensation expense Share-Based Payment Arrangement, Expense Shares repurchased in stock buyback program (in shares) Stock Repurchased and Retired During Period, Shares Increase in number of shares authorized (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Additional Shares Authorized Exercised (in shares) Exercised (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period Accreditation fees payable Accreditation fees payable Amount of accreditation fees incurred but not yet paid, due within one year or the normal operating cycle, if longer. Statement [Line Items] Fair Value Measurement Inputs and Valuation Techniques [Line Items] Recognized revenue Contract with Customer, Liability, Revenue Recognized The 2023 Credit Facility The 2023 Credit Facility [Member] Represents the 2023 credit facility. Subsequent Event Type [Domain] Subsequent Event Type [Domain] Capitalized internal use software Capitalized Internal Use Software [Member] Represents capitalized internal use software. Series A Preferred Stock Series A Preferred Stock [Member] Erroneously Awarded Compensation Recovery Erroneously Awarded Compensation Recovery [Table] Forfeited (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Forfeitures in Period Disaggregation of Revenue [Abstract] Disaggregation of Revenue [Abstract] Redemption value Stock Redeemed or Called During Period, Value, Before Discount on Premium Stock Redeemed or Called During Period, Value, Before Discount on Premium Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward] Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward] Entity Current Reporting Status Entity Current Reporting Status Net cash provided by (used in) financing activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation Total Shareholder Return Amount Total Shareholder Return Amount Other comprehensive income (loss), Tax impact Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification, Tax Cash Flow Hedging Cash Flow Hedging [Member] Technical operations and development Research and Development Expense Write-offs during period Accounts Receivable, Allowance for Credit Loss, Writeoff Loss Contingency Nature [Axis] Loss Contingency Nature [Axis] Financing activities: Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract] Property and equipment, net Property and equipment, net Property, Plant, and Equipment, after Accumulated Depreciation, Depletion, and Amortization Stockholders' Deficit Schedule of Stockholders Equity [Table Text Block] Retail Services Retail Services [Member] Represents Retail services. Line of credit facility, unused capacity, commitment fee percentage Line of Credit Facility, Unused Capacity, Commitment Fee Percentage Number outstanding Share-Based Payment Arrangement, Option, Exercise Price Range, Shares Outstanding Surname domain names Surname Domain Names [Member] Related to surname domain names. Intangible Asset, Finite-Lived, Class [Axis] Intangible Asset, Finite-Lived, Class [Axis] Goodwill and Other Intangible Assets Intangible Asset and Goodwill [Text Block] Underlying Securities Award Underlying Securities Amount Network Access Services Network Access Services [Member] Information pertaining to Network Access Services operating segment. Revenue Revenue from Contract with Customer [Text Block] Prepaid expenses and deposits Prepaid Expense, Current Fair value Asset (Liability) Foreign Currency forward contracts designated as cash flow hedges (net) Foreign Currency Contracts, Liability, Fair Value Disclosure Forfeited (in dollars per share) Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price Preferred Stock Preferred Stock [Member] Subsegments [Axis] Subsegments [Axis] Opening AOCI balance, Gains and losses on cash flow hedges Ending AOCI balance, Gains and losses on cash flow hedges AOCI Including Portion Attributable to Noncontrolling Interest, before Tax Weighted average discount rate Operating Lease, Weighted Average Discount Rate, Percent July - September 2026 Foreign Exchange Forward 1 [Member] Foreign exchange forward (1) traded on an exchange (examples include but are not limited to the International Securities Exchange, Philadelphia Stock Exchange, or the Chicago Mercantile Exchange) for options or future contracts to buy or sell a certain currency, at a specified date, at a fixed exercise exchange rate. Segment Reporting [Table] Segment Reporting [Table] Restricted cash Restricted cash included in funds held by trustee Funds Held for Clients Computer equipment Computer Equipment [Member] Lease cost Lease, Cost [Table Text Block] Contract asset Other Assets, Current The 2024 Term Notes The 2024 Term Notes [Member] Represents the 2024 term notes. 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] Amount reclassified from AOCI, Tax impact Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, Tax 2030 Purchase Obligation, to be Paid, Year Four Current Fiscal Year End Date Current Fiscal Year End Date Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Total Compensation Amount Derivative [Line Items] Derivative [Line Items] Opening AOCI balance, Tax impact Ending AOCI balance, Tax impact tcx_AccumulatedOtherComprehensiveIncomeTax Accumulated change in equity from transactions and other events and circumstances from non-owner sources, tax expense (benefit). Excludes Net Income (Loss), and accumulated changes in equity from transactions resulting from investments by owners and distributions to owners. Includes foreign currency translation items, certain pension adjustments, unrealized gains and losses on certain investments in debt and equity securities, other than temporary impairment (OTTI) losses related to factors other than credit losses on available-for-sale and held-to-maturity debt securities that an entity does not intend to sell and it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis, as well as changes in the fair value of derivatives related to the effective portion of a designated cash flow hedge. 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 Stock-based compensation Shares Issued, Value, Share-Based Payment Arrangement, after Forfeiture Guarantee Obligations Guarantee Obligations [Member] Minimum interest coverage ratio Debt Instrument, Covenant, Minimum Interest Coverage Ratio Debt Instrument, Covenant, Minimum Interest Coverage Ratio Amount reclassified from AOCI, Gains and losses on cash flow hedges Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, before Tax Share-based payment arrangement, option, activity Share-Based Payment Arrangement, Option, Activity [Table Text Block] Weighted average exercise price per share Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract] Notes receivable from related parties Origination of Notes Receivable from Related Parties Recovery of Erroneously Awarded Compensation Disclosure [Line Items] Measure: Measure [Axis] Ting Fiber, LLC Ting Fiber, LLC [Member] Ting Fiber, LLC Contingent consideration payment if specified further investment is not made Contingent Consideration, Purchase Of Redeemable Preferred Shares, Maximum If Specified Further Investment Not Made Contingent Consideration, Purchase Of Redeemable Preferred Shares, Maximum If Specified Further Investment Not Made Number of syndicate members Number of Syndicate Members Not Agreeing To Amendment Number of Syndicate Members Not Agreeing To Amendment Equity Components [Axis] Equity Components [Axis] Accretion expense tcx_UnitPurchaseAgreementAccretionExpenseOnTheRedeemablePreferredShares Represents accretion expense on the redeemable preferred shares under unit purchase agreement. Balance, beginning of period Balance, end of period Capitalized Contract Cost, Net Income taxes paid, net Income Tax Paid, after Refund Received Entity Interactive Data Current Entity Interactive Data Current Variable Rate [Axis] Variable Rate [Axis] Total accounts payable and accrued liabilities Accounts Payable and Accrued Liabilities, Current Entity Small Business Entity Small Business Comprehensive loss, for the period Comprehensive Income (Loss), Net of Tax, Attributable to Parent Less: unamortized debt discount and issuance costs Unamortized debt discount Debt Instrument, Unamortized Discount Property, Plant, and Equipment [Line Items] Property, Plant, and Equipment [Line Items] Interest expense, net Interest Income (Expense), Operating MNPI Disclosure Timed for Compensation Value MNPI Disclosure Timed for Compensation Value [Flag] Other assets Total other assets Other Assets, Noncurrent Document Type Document Type Term of required settlement payment after redemption request Unit Purchase Agreement, Required Term Of Settlement On Redemption Request Unit Purchase Agreement, Required Term Of Settlement On Redemption Request Period of non-payment, threshold Unit Purchase Agreement, Period Of Nonpayment, Trigger Threshold Unit Purchase Agreement, Period Of Nonpayment, Trigger Threshold Aggregate intrinsic value Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Intrinsic Value Subsequent Event [Line Items] Subsequent Event [Line Items] Domain Services Domain Services [Member] Represents Domain services. Local Phone Number Local Phone Number Contract liabilities, long-term portion Contract with Customer, Liability, Noncurrent Canada CANADA Loss before provision for income taxes Net loss before income taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Property and equipment, before depreciation Property, Plant, and Equipment, before Accumulated Depreciation, Depletion, and Amortization Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] 2030 Intangible Asset, Finite-Lived, Estimated Amortization Expense, Year Four Executive Category: Executive Category [Axis] Counterparty Name [Axis] Counterparty Name [Axis] Capitalized Contract Cost [Line Items] Capitalized Contract Cost [Line Items] Liabilities and Stockholders' Equity Liabilities and Equity [Abstract] Accounts payable and accrued liabilities Accounts Payable and Accrued Liabilities [Abstract] Inventory Total Inventories Inventory, Net Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount Bank of Montreal Bank of Montreal [Member] Represents Bank of Montreal. Amount reclassified from AOCI, Total AOCI Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, after Tax Supplemental cash flow information: Supplemental Cash Flow Information [Abstract] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table] PEO Name PEO Name Leasehold improvements Leasehold Improvements [Member] The 2023 Term Notes The 2023 Term Notes [Member] Represents the 2023 Term Notes. Prepaid expenses and other Prepaid Expense, Current [Abstract] Other segment items Segment Reporting, Other Segment Item, Amount Long-Lived Asset, Class [Axis] Long-Lived Asset, Class [Axis] Capital Purchase Obligations Capital Purchase Obligation [Abstract] Capital Purchase Obligation Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Guaranteed Credit Facility Guaranteed Credit Facility [Member] Information related to the guaranteed credit facility. Entity Tax Identification Number Entity Tax Identification Number Derivative Instruments and Hedging Activities Disclosures [Table] Derivative Instruments and Hedging Activities Disclosures [Table] Accounts Receivable, Allowance for Credit Loss [Roll Forward] Accounts Receivable, Allowance for Credit Loss [Roll Forward] Unrealized income (loss) on hedging activities Other comprehensive income (loss) before reclassifications, Total AOCI Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, after Tax Exercised (in dollars per share) Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price Wavelo Platform Services Wavelo Platform Services [Member] Related to mobile platform services. Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Total Obligations Total Obligations Abstract [Abstract] Total Obligations Abstract Base Rate Base Rate [Member] The 2023 and 2024 Notes The 2023 and 2024 Notes [Member] Represents the 2023 and 2024 notes. 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] 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] Organization of the Company Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Debt Instrument [Axis] Debt Instrument [Axis] Subsequent Event [Table] Subsequent Event [Table] Stock-based compensation expense Stock-based compensation Share-Based Payment Arrangement, Noncash Expense Weighted average remaining contractual life (years) Share-Based Payment Arrangement, Option, Exercise Price Range, Exercisable, Weighted-Average Remaining Contractual Term Total lease expense Lease, cost Lease, Cost Adjusted EBITDA ratio Debt Instrument, Covenant, Maximum Adjusted EBITDA Ratio Debt Instrument, Covenant, Maximum Adjusted EBITDA Ratio Schedule of fair value of derivative instruments in the Condensed Consolidated Balance Sheets Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block] Basic loss per common share Earnings Per Share, Basic Total current assets Assets, Current Insider Trading Arrangements [Line Items] Short-term lease expense (leases with a total term of 12 months or less) Short-Term Lease, Cost City of Westminster, Maryland, Fiber Network City Of Westminster, Maryland, Fiber Network [Member] City Of Westminster, Maryland, Fiber Network Accounts receivable, net of expected credit losses of 1313000 as of June 30, 2026 and 1259000 as of December 31, 2025 Accounts Receivable, after Allowance for Credit Loss, Current 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] Line of credit facility, increasing capacity, total funded debt to adjusted EBITDA ratio, benchmark Line Of Credit Facility, Increasing Capacity, Total Funded Debt To Adjusted EBITDA Ratio Benchmark Benchmark of Total funded debt to adjusted EBITDA to increase borrowing capacity under line of credit facility. Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Cover [Abstract] Cover [Abstract] Wholesale Wholesale [Member] Wholesale segment. Secured Fiber Revenue Notes, Series 2024-1, Class B Secured Fiber Revenue Notes, Series 2024-1, Class B [Member] Represents Secured Fiber Revenue Notes, Series 2024-1, Class B. Fair Value Measurement Inputs and Valuation Techniques [Table] Fair Value Measurement Inputs and Valuation Techniques [Table] Concentration risk, percentage Concentration risk, percentage (less than) Concentration Risk, Percentage Equity Awards Adjustments Equity Awards Adjustments [Member] Network Expenses Network Expenses [Member] Represents network expenses. Remainder of 2026 Purchase Obligation, to be Paid, Remainder of Fiscal Year Hedging Relationship [Domain] Hedging Relationship [Domain] Plan Name [Axis] Plan Name [Axis] Solana Beach, California Solana Beach, California [Member] Solana Beach, California Other income, net Total other income Other Nonoperating Income (Expense) Notes Payable Long-Term Debt [Text Block] Entity Address, Country Entity Address, Country Purchase Agreement with DISH Wireless LLC Purchase Agreement With DISH Wireless LLC [Member] Related to purchase agreement with DISH Wireless LLC. General and administrative General and Administrative Expense Gross proceeds tcx_UnitPurchaseAgreementCapitalUponTheInitialFunding Represents capital upon the initial funding related to unit purchase agreement. Deferral of costs Deferral of costs Amount of increase in capitalized contract cost from deferred revenue. Preferred stock, authorized (in units) Preferred Stock, Shares Authorized Loan to Finance WFN Construction Loan to Finance WFN Construction [Member] A loan that is intended to be used to fund the construction of a new fiber network in Westminster, Maryland. Share Repurchase Program [Axis] Share Repurchase Program [Axis] Hedging Designation [Domain] Hedging Designation [Domain] Class of Stock [Domain] Class of Stock [Domain] Vehicles and tools Vehicles and Tools [Member] Represents information pertaining to vehicles and tools. October - December 2026 Foreign Exchange Forward 2 [Member] Foreign exchange forward (2) traded on an exchange (examples include but are not limited to the International Securities Exchange, Philadelphia Stock Exchange, or the Chicago Mercantile Exchange) for options or future contracts to buy or sell a certain currency, at a specified date, at a fixed exercise exchange rate. Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Foreign Exchange Forward Foreign Exchange Forward [Member] Secured Fiber Revenue Notes, Series 2024-1, Class C Secured Fiber Revenue Notes, Series 2024-1, Class C [Member] Represents Secured Fiber Revenue Notes, Series 2024-1, Class C. Number of homes on fiber network Lessee, Operating Lease, Number Of Homes On Fiber Network Lessee, Operating Lease, Number Of Homes On Fiber Network Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Income Taxes Income Tax Disclosure [Text Block] Accounts payable Accounts Payable, Current Domain Registration Costs Domain Registration Costs [Member] Represents information about domain registration costs. Customer Assets and Domain Names Customer Assets and Domain Names [Member] Represents customer assets and domain names. Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Entity Filer Category Entity Filer Category Lease and Network Operations Agreement Lease and Network Operations Agreement [Member] Represents a lease and network operations agreement. Basis of Presentation Basis of Accounting [Text Block] Total Stock Based Compensation Expense Total Stock Based Compensation Expense [Member] Related to total stock based compensation expense. Concentration Risk Benchmark [Domain] Concentration Risk Benchmark [Domain] Secured Fiber Revenue Notes, Series 2023-1, Class A-2 Secured Fiber Revenue Notes, Series 2023-1, Class A-2 [Member] Relating to Secured Fiber Revenue Notes, Series 2023-1, Class A-2. Increase in ECL provision Charged to costs and expenses Amount charged to allowance for doubtful accounts or amount of (recoveries) of receivables doubtful of collection that were previously charged off. Stock, Class of Stock [Table] Stock, Class of Stock [Table] Current assets: Assets, Current [Abstract] Entity Address, Address Line One Entity Address, Address Line One Operating lease - operating cash flows (liability reduction) Right-of-Use Asset Obtained in Exchange for Operating Lease Liability Provision for income taxes Income tax expense Income Tax Expense (Benefit) Other nonoperating income (less than) Other income Other Nonoperating Income Adjustments to reconcile net income to net cash provided by operating activities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Noncash Item [Abstract] Loss Contingency, Nature [Domain] Loss Contingency, Nature [Domain] Notes payable Notes Payable, Noncurrent Recent Accounting Pronouncements Accounting Standards Update and Change in Accounting Principle [Text Block] Operating lease, term, option to terminate tcx_LesseeOperatingLeaseOptionToTerminateTerm Term of lessee's operating lease option to terminate lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Less: unamortized issuance costs Unamortized Debt Issuance Expense Statement [Table] Statement [Table] Proceeds received on exercise of stock options Proceeds from Stock Options Exercised Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table] Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table] Interest income Investment Income, Interest Maturity of foreign exchange contracts Derivative, Contract Term Revenue, remaining performance obligation, expected timing of satisfaction Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table Text Block] Impairment of capitalized contract costs Capitalized Contract Cost, Impairment Loss Derivative Instruments and Hedging Activities Disclosures [Line Items] Derivative Instruments and Hedging Activities Disclosures [Line Items] Contract with customer, contract asset, contract liability, and receivable Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block] Unrealized loss (gain) on foreign exchange revaluation of foreign denominated monetary assets and liabilities Unrealized Gain (Loss), Foreign Currency Transaction, before Tax Schedule of cost of revenues by revenue stream Schedule of Cost of Revenues by Revenue Stream [Table Text Block] Tabular disclosure of the detailed components of cost of revenues by revenue stream. Derivative Instruments and Hedging Activities Disclosure [Abstract]