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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: