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Note 17 - Other Income (Expenses) - Other Income (Expenses) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Income earned on sale of transferred assets | $ 13,978 | $ 17,033 | $ 18,507
Purchase Agreement With DISH Wireless LLC [Member] |  |  |
Income earned on sale of transferred assets | $ 13,978 | $ 17,033 | $ 18,507

X
- Definition The amount of income from a purchase agreement. + References No definition available. + Details
Name: | tcx_PurchaseAgreementIncome
Namespace Prefix: | tcx_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | us-gaap_TypeOfArrangementAxis=tcx_PurchaseAgreementWithDISHWirelessLLCMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |