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Commitments and contingencies (Details) - Schedule of commitments and contingencies $ in Thousands	Sep. 30, 2022 CAD ($)
Commitments and contingencies (Details) - Schedule of commitments and contingencies [Line Items]
Commitment payments	$ 82,049
Capital expenditure obligations [Member]
Commitments and contingencies (Details) - Schedule of commitments and contingencies [Line Items]
Commitment payments	70,424
Mineral interests [Member]
Commitments and contingencies (Details) - Schedule of commitments and contingencies [Line Items]
Commitment payments	7,308
Flow-through share expenditures [Member]
Commitments and contingencies (Details) - Schedule of commitments and contingencies [Line Items]
Commitment payments	2,683
Lease obligation [Member]
Commitments and contingencies (Details) - Schedule of commitments and contingencies [Line Items]
Commitment payments	1,634
2022 [Member]
Commitments and contingencies (Details) - Schedule of commitments and contingencies [Line Items]
Commitment payments	19,071
2022 [Member] | Capital expenditure obligations [Member]
Commitments and contingencies (Details) - Schedule of commitments and contingencies [Line Items]
Commitment payments	16,204
2022 [Member] | Mineral interests [Member]
Commitments and contingencies (Details) - Schedule of commitments and contingencies [Line Items]
Commitment payments	6
2022 [Member] | Flow-through share expenditures [Member]
Commitments and contingencies (Details) - Schedule of commitments and contingencies [Line Items]
Commitment payments	2,683
2022 [Member] | Lease obligation [Member]
Commitments and contingencies (Details) - Schedule of commitments and contingencies [Line Items]
Commitment payments	178
2023-24 [Member]
Commitments and contingencies (Details) - Schedule of commitments and contingencies [Line Items]
Commitment payments	57,769
2023-24 [Member] | Capital expenditure obligations [Member]
Commitments and contingencies (Details) - Schedule of commitments and contingencies [Line Items]
Commitment payments	54,220
2023-24 [Member] | Mineral interests [Member]
Commitments and contingencies (Details) - Schedule of commitments and contingencies [Line Items]
Commitment payments	2,506
2023-24 [Member] | Flow-through share expenditures [Member]
Commitments and contingencies (Details) - Schedule of commitments and contingencies [Line Items]
Commitment payments
2023-24 [Member] | Lease obligation [Member]
Commitments and contingencies (Details) - Schedule of commitments and contingencies [Line Items]
Commitment payments	1,043
2025-26 [Member]
Commitments and contingencies (Details) - Schedule of commitments and contingencies [Line Items]
Commitment payments	2,934
2025-26 [Member] | Capital expenditure obligations [Member]
Commitments and contingencies (Details) - Schedule of commitments and contingencies [Line Items]
Commitment payments
2025-26 [Member] | Mineral interests [Member]
Commitments and contingencies (Details) - Schedule of commitments and contingencies [Line Items]
Commitment payments	2,620
2025-26 [Member] | Flow-through share expenditures [Member]
Commitments and contingencies (Details) - Schedule of commitments and contingencies [Line Items]
Commitment payments
2025-26 [Member] | Lease obligation [Member]
Commitments and contingencies (Details) - Schedule of commitments and contingencies [Line Items]
Commitment payments	314
2027-28 [Member]
Commitments and contingencies (Details) - Schedule of commitments and contingencies [Line Items]
Commitment payments	2,275
2027-28 [Member] | Capital expenditure obligations [Member]
Commitments and contingencies (Details) - Schedule of commitments and contingencies [Line Items]
Commitment payments
2027-28 [Member] | Mineral interests [Member]
Commitments and contingencies (Details) - Schedule of commitments and contingencies [Line Items]
Commitment payments	2,176
2027-28 [Member] | Flow-through share expenditures [Member]
Commitments and contingencies (Details) - Schedule of commitments and contingencies [Line Items]
Commitment payments
2027-28 [Member] | Lease obligation [Member]
Commitments and contingencies (Details) - Schedule of commitments and contingencies [Line Items]
Commitment payments	$ 99

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The amount of future minimum lease payments payable under non-cancellable operating leases. Minimum lease payments are payments over the lease term that the lessee is or can be required to make, excluding contingent rent, costs for services and taxes to be paid by, and reimbursed to, the lessor, together with: (a) for a lessee, any amounts guaranteed by the lessee or by a party related to the lessee; or (b) for a lessor, any residual value guaranteed to the lessor by: (i) the lessee; (ii) a party related to the lessee; or (iii) a third party unrelated to the lessor that is financially capable of discharging the obligations under the guarantee.

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