XML 166 R143.htm IDEA: XBRL DOCUMENT
v3.22.0.1

Share-Based Compensation Plans (Details) - Schedule of number of stock options outstanding and their weighted average exercise price | 12 Months Ended
--- | ---
Dec. 31, 2021 $ / shares shares | Dec. 31, 2020 $ / shares shares
Share-Based Compensation Plans (Details) - Schedule of number of stock options outstanding and their weighted average exercise price [Line Items] |  |
Exchanged upon close of Transaction | 900,789 |
Number of options outstanding at beginning | 900,789 |
Weighted average exercise price at beginning (in Dollars per share) | $ / shares | $ 48.77 |
Time vesting option plans [Member] |  |
Share-Based Compensation Plans (Details) - Schedule of number of stock options outstanding and their weighted average exercise price [Line Items] |  |
Number of options outstanding at beginning | 7,948,568 | 7,544,617
Weighted average exercise price at beginning (in Dollars per share) | $ / shares | $ 25.83 | $ 25.63
Number of options granted | 77,500 | 650,000
Number of options forfeited | (46,761) | (246,049)
Number of options exercised | (600) |
Exchanged upon close of Transaction | (1,780,932) |
Number of options expired |  |
Number of options outstanding at beginning |  | 7,948,568
Weighted average exercise price at beginning (in Dollars per share) | $ / shares |  | $ 25.83
Number of options cancelled | (6,197,775) |
Performance vesting option plans [Member] |  |
Share-Based Compensation Plans (Details) - Schedule of number of stock options outstanding and their weighted average exercise price [Line Items] |  |
Number of options outstanding at beginning | 406,262 | 409,953
Weighted average exercise price at beginning (in Dollars per share) | $ / shares | $ 11.07 | $ 11.07
Number of options granted |  |
Number of options forfeited | (9,229) | (3,691)
Number of options exercised |  |
Exchanged upon close of Transaction | (397,033) |
Number of options expired |  |
Number of options outstanding at beginning |  | 406,262
Weighted average exercise price at beginning (in Dollars per share) | $ / shares |  | $ 11.07
Number of options cancelled |  |

X
- Definition The number of share options expired in a share-based payment arrangement. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 2 -IssueDate 2021-01-01 -Paragraph 45 -Subparagraph b -Clause v -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2021-en-r&anchor=para_45_b_v&doctype=Standard -URIDate 2021-03-24 + Details
Name: | ifrs-full_NumberOfShareOptionsExpiredInSharebasedPaymentArrangement
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | tsat_ExchangedUponCloseOfTransactioninDollars
Namespace Prefix: | tsat_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | tsat_NumberOfOptionsCancelled
Namespace Prefix: | tsat_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | tsat_NumberOfOptionsExercised
Namespace Prefix: | tsat_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | tsat_NumberOfOptionsForfeited
Namespace Prefix: | tsat_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | tsat_NumberOfOptionsOutstanding
Namespace Prefix: | tsat_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- References No definition available. + Details
Name: | tsat_NumbersOfOptionsGranted
Namespace Prefix: | tsat_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | tsat_ShareBasedCompensationPlansDetailsScheduleofnumberofstockoptionsoutstandingandtheirweightedaverageexercisepriceLineItems
Namespace Prefix: | tsat_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | tsat_WeightedAverageExercisePriceAtBeginning
Namespace Prefix: | tsat_
Data Type: | dtr:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | ifrs-full_RangesOfExercisePricesForOutstandingShareOptionsAxis=tsat_TimeVestingOptionPlansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_RangesOfExercisePricesForOutstandingShareOptionsAxis=tsat_PerformanceVestingOptionPlansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |