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Note 15 - Common Shares - Share Repurchases (Details) - USD ($) $ / shares in Units, $ in Thousands | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Number of shares (in shares) | 0 | 3,053 | 45,824
Aggregate market value of shares (in thousands) | $ 0 | $ 197 | $ 3,669
Average price per share (in dollars per share) | $ 0 | $ 64.67 | $ 80.07

X
- Definition The aggregate market value of shares that received in connection with share-based compensation. + References No definition available. + Details
Name: | tcx_SharesReceivedInConnectionWithShareBasedCompensationValue
Namespace Prefix: | tcx_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Per share price of shares that received in connection with share-based compensation. + References No definition available. + Details
Name: | tcx_SharesReceivedInConnectionWithSharebasedCompensationPricePerShare
Namespace Prefix: | tcx_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of shares used to settle grantee's tax withholding obligation for award under share-based payment arrangement. + References No definition available. + Details
Name: | us-gaap_SharesPaidForTaxWithholdingForShareBasedCompensation
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration