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Note 13 - Right-of-use assets, net and lease liabilities (Details Textual) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023
Disclosure of maturity analysis of operating lease payments [line items] |  |
Cancellations of lease liabilities | $ 8,377 | $ 2,972
Repayments of lease liabilities | 68,600 | 51,500
Repayment of interest on lease liabilities | $ 5,100 | $ 3,400
Not later than one year [member] |  |
Disclosure of maturity analysis of operating lease payments [line items] |  |
Remaining lease payments to be made, percentage | 31.00% | 28.00%
Later than one year and not later than five years [member] |  |
Disclosure of maturity analysis of operating lease payments [line items] |  |
Remaining lease payments to be made, percentage | 46.00% | 45.00%
Later than five years [member] |  |
Disclosure of maturity analysis of operating lease payments [line items] |  |
Remaining lease payments to be made, percentage | 23.00% | 27.00%

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- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table. + References No definition available. + Details
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- Definition Represents the change in lease liabilities during the period attributable to cancellations. + References No definition available. + Details
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Namespace Prefix: | ts_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition The amount of capital repayments of lease liabilities. + References No definition available. + Details
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Namespace Prefix: | ts_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
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- Definition Percentage of total remaining payments to be made. + References No definition available. + Details
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Namespace Prefix: | ts_
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Balance Type: | na
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- Definition The cash outflow for repayment of interest on lease liabilities. + References No definition available. + Details
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- Details
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- Details
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- Details
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