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Other Long-Term Financial Assets (Details) - Schedule of other long-term financial assets - CAD ($) $ in Thousands | Dec. 31, 2021 | Dec. 31, 2020
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Schedule of other long-term financial assets [Abstract] |  |
Deferred receivables | $ 12,696 | $ 16,022
Other long-term receivables | 1,841 | 1,276
Security deposits | 773 | 5,861
Derivative assets (Note 30) | 1,038 | 30,266
Other long-term financial assets | $ 16,348 | $ 53,425

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- Definition The amount of non-current derivative financial assets. [Refer: Derivative financial assets] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2021-01-01 -Paragraph 55 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_55&doctype=Standard -URIDate 2021-03-24 + Details
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- Definition Deferred receivables. + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
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Period Type: | instant

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- Definition Other long-term financial assets. + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition Other long-term receivables. + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- References No definition available. + Details
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- Definition Security deposits. + References No definition available. + Details
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Namespace Prefix: | tsat_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant