XML 66 R56.htm IDEA: XBRL DOCUMENT
v3.22.2.2

Shareholders' Equity (Details) - Schedule of stock option and RSU transactions - CAD ($) $ / shares in Units, $ in Thousands | 9 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2022 | Dec. 31, 2021
Shareholders' Equity (Details) - Schedule of stock option and RSU transactions [Line Items] |  |
Total Stock-based Compensation, Outstanding at beginning | $ 8,697 | $ 23,011
Total Stock-based Compensation, Granted |  | 573
Total Stock-based Compensation, Exercised option or vested RSU | (4,619) | (17,783)
Total Stock-based Compensation, Expired |  | (37)
Total Stock-based Compensation, Amortized value of stock-based compensation | 2,654 | 2,933
Total Stock-based Compensation, Outstanding at ending | $ 6,732 | $ 8,697
Options [Member] |  |
Shareholders' Equity (Details) - Schedule of stock option and RSU transactions [Line Items] |  |
Number of Options, Outstanding at beginning (in Shares) | 1,023,334 | 2,611,691
Weighted Average Exercise Price, Outstanding at beginning (in Dollars per share) | $ 14.61 | $ 12.51
Amortized Value of options, Outstanding at beginning | $ 8,125 | $ 22,524
Number of Options, Granted (in Shares) |  |
Weighted Average Exercise Price, Granted (in Dollars per share) |  |
Amortized Value of options, Granted |  |
Number of Options, Exercised option or vested RSU (in Shares) | (186,007) | (1,585,501)
Weighted Average Exercise Price, Exercised option or vested RSU (in Dollars per share) | $ 14.29 | $ 11.17
Amortized Value of options, Exercised option or vested RSU | $ (1,447) | $ (14,370)
Number of Options, Expired (in Shares) |  | (2,856)
Weighted Average Exercise Price, Expired (in Dollars per share) |  | $ 6.3
Amortized Value of options, Expired |  | $ (37)
Number of Options, Amortized value of stock-based compensation (in Shares) |  |
Weighted Average Exercise Price, Amortized value of stock-based compensation (in Dollars per share) |  |
Amortized Value of options, Amortized value of stock-based compensation |  | $ 8
Number of Options, Outstanding at ending (in Shares) | 837,327 | 1,023,334
Weighted Average Exercise Price, Outstanding at ending (in Dollars per share) | $ 14.69 | $ 14.61
Amortized Value of options, Outstanding at ending | $ 6,678 | $ 8,125
Number of Options, Exercisable (in Shares) | 837,327 | 1,023,334
RSUs [Member] |  |
Shareholders' Equity (Details) - Schedule of stock option and RSU transactions [Line Items] |  |
Number of Options, Outstanding at beginning (in Shares) | 173,800 | 135,450
Amortized Value of options, Outstanding at beginning | $ 572 | $ 487
Number of Options, Granted (in Shares) |  | 173,800
Amortized Value of options, Granted |  | $ 573
Number of Options, Exercised option or vested RSU (in Shares) | (148,800) | (135,450)
Amortized Value of options, Exercised option or vested RSU | $ (3,172) | $ (3,413)
Number of Options, Expired (in Shares) |  |
Amortized Value of options, Expired |  |
Number of Options, Amortized value of stock-based compensation (in Shares) |  |
Amortized Value of options, Amortized value of stock-based compensation | $ 2,654 | $ 2,925
Number of Options, Outstanding at ending (in Shares) | 25,000 | 173,800
Amortized Value of options, Outstanding at ending | $ 54 | $ 572

X
- Definition The weighted average exercise price of share options exercised in a share-based payment arrangement. [Refer: Weighted average [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 2 -IssueDate 2021-01-01 -Paragraph 45 -Subparagraph b -Clause iv -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2021-en-r&anchor=para_45_b_iv&doctype=Standard -URIDate 2021-03-24 + Details
Name: | ifrs-full_WeightedAverageExercisePriceOfShareOptionsExercisedInSharebasedPaymentArrangement2019
Namespace Prefix: | ifrs-full_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition The weighted average exercise price of share options expired in a share-based payment arrangement. [Refer: Weighted average [member]] + 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_WeightedAverageExercisePriceOfShareOptionsExpiredInSharebasedPaymentArrangement2019
Namespace Prefix: | ifrs-full_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition The weighted average exercise price of share options granted in a share-based payment arrangement. [Refer: Weighted average [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 2 -IssueDate 2021-01-01 -Paragraph 45 -Subparagraph b -Clause ii -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2021-en-r&anchor=para_45_b_ii&doctype=Standard -URIDate 2021-03-24 + Details
Name: | ifrs-full_WeightedAverageExercisePriceOfShareOptionsGrantedInSharebasedPaymentArrangement2019
Namespace Prefix: | ifrs-full_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition The weighted average exercise price of share options outstanding in a share-based payment arrangement. [Refer: Weighted average [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 2 -IssueDate 2021-01-01 -Paragraph 45 -Subparagraph b -Clause i -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2021-en-r&anchor=para_45_b_i&doctype=Standard -URIDate 2021-03-24 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 2 -IssueDate 2021-01-01 -Paragraph 45 -Subparagraph b -Clause vi -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2021-en-r&anchor=para_45_b_vi&doctype=Standard -URIDate 2021-03-24 + Details
Name: | ifrs-full_WeightedAverageExercisePriceOfShareOptionsOutstandingInSharebasedPaymentArrangement2019
Namespace Prefix: | ifrs-full_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition Number of Options, Amortized value of stock-based compensation. + References No definition available. + Details
Name: | sa_NumberOfOptionAmortizedValueOfStockbasedCompensationinShares
Namespace Prefix: | sa_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition The number of share options outstanding in a share-based payment arrangement. + References No definition available. + Details
Name: | sa_NumberOfOutstandingsShareOptions
Namespace Prefix: | sa_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition The number of share options exercisable in a share-based payment arrangement. + References No definition available. + Details
Name: | sa_NumberOfShareOptionExercisableInSharebasedPaymentArrangement
Namespace Prefix: | sa_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition The number of share options exercised in a share-based payment arrangement. + References No definition available. + Details
Name: | sa_NumberOfShareOptionExercisedInSharebasedPaymentArrangement
Namespace Prefix: | sa_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition The number of share options expired in a share-based payment arrangement. + References No definition available. + Details
Name: | sa_NumberOfShareOptionExpiredInSharebasedPaymentArrangement
Namespace Prefix: | sa_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition The number of share options granted in a share-based payment arrangement. + References No definition available. + Details
Name: | sa_NumberOfShareOptionGrantedInSharebasedPaymentArrangement
Namespace Prefix: | sa_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of amortized value of stock-based compensation. + References No definition available. + Details
Name: | sa_ShareBasedCompensationAmortizedValueOfOptionsAmortizedValueOfStockbasedCompensationinDollars
Namespace Prefix: | sa_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of amortized value of options, exercised option or vested RSU. + References No definition available. + Details
Name: | sa_ShareBasedCompensationAmortizedValueOfOptionsExercisedOptionOrVestedRSU
Namespace Prefix: | sa_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of amortized value of options, expired. + References No definition available. + Details
Name: | sa_ShareBasedCompensationAmortizedValueOfOptionsExpired
Namespace Prefix: | sa_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of amortized value of options, granted. + References No definition available. + Details
Name: | sa_ShareBasedCompensationAmortizedValueOfOptionsGranted
Namespace Prefix: | sa_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of amortized value of options outstanding. + References No definition available. + Details
Name: | sa_ShareBasedCompensationAmortizedValueOfOptionsOutstandingAtBeginninginDollars
Namespace Prefix: | sa_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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

X
- Definition Amount of stock-based compensation outstanding. + References No definition available. + Details
Name: | sa_StockbasedCompensationOutstanding
Namespace Prefix: | sa_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Total stock-based compensation, amortized value of stock-based compensation. + References No definition available. + Details
Name: | sa_StockbasedCompensationsAmortizedValueOfStockbasedCompensation
Namespace Prefix: | sa_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of stock-based compensation, exercised option or vested RSU. + References No definition available. + Details
Name: | sa_StockbasedCompensationsExercisedOptionOrVestedRSU
Namespace Prefix: | sa_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of total stock-based compensation, expired. + References No definition available. + Details
Name: | sa_StockbasedCompensationsExpired
Namespace Prefix: | sa_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of stock-based compensation, granted. + References No definition available. + Details
Name: | sa_StockbasedCompensationsGranted
Namespace Prefix: | sa_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The weighted average exercise price of share options amortized value of stock-based compensation payment arrangement. [Refer: Weighted average [member]] + References No definition available. + Details
Name: | sa_WeightedAverageExercisePriceAmortizedValueOfStockbasedCompensation
Namespace Prefix: | sa_
Data Type: | dtr:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | ifrs-full_ComponentsOfEquityAxis=sa_OptionsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ComponentsOfEquityAxis=sa_RestrictedStockUnitMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |