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Income taxes (Tables) | 6 Months Ended
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Jun. 30, 2024
Income Tax Disclosure [Abstract] |
Schedule of Provision for Income Taxes | The differences are as follows:
| Three months ended |  | Six months ended
| June 30 |  | June 30
| 2024 |  | 2023 |  | 2024 |  | 2023
Expected income tax (recovery) expense at Canadian statutory rate | $ | 40,622 |  |  | $ | (84,596) |  |  | $ | 5,746 |  |  | $ | (11,903) |
Increase (decrease) resulting from: |  |  |  |  |  |  |
Effect of differences in tax rates on transactions in and within foreign jurisdictions and change in tax rates | (2,702) |  |  | (5,560) |  |  | (3,863) |  |  | (16,718) |
Adjustments from investments carried at fair value | (24,817) |  |  | 40,357 |  |  | (4,734) |  |  | 11,092 |
Change in valuation allowance | (10,058) |  |  | 676 |  |  | (13,846) |  |  | (791) |
Non-controlling interests share of income | 10,468 |  |  | 2,201 |  |  | 16,470 |  |  | 12,393 |
Tax credits | (17,160) |  |  | (8,095) |  |  | (20,463) |  |  | (20,505) |
Amortization and settlement of excess deferred income tax | (1,794) |  |  | (2,456) |  |  | (3,305) |  |  | (6,207) |
Foreign exchange difference and other | 213 |  |  | 1,515 |  |  | 7,464 |  |  | 1,382 |
Income tax recovery | $ | (5,228) |  |  | $ | (55,958) |  |  | $ | (16,531) |  |  | $ | (31,257) |
Schedule of Valuation Allowance | The following table illustrates the movement in the deferred tax valuation allowance:
| Three months ended |  | Six months ended
| June 30 |  | June 30
| 2024 |  | 2023 |  | 2024 |  | 2023
Beginning balance | $ | 95,554 |  |  | $ | 97,396 |  |  | $ | 97,344 |  |  | $ | 107,583 |
Charged to income tax expense (recovery) | (10,058) |  |  | 676 |  |  | (13,846) |  |  | (791) |
Charged (reduction) to OCI | (5,507) |  |  | (6,418) |  |  | (3,509) |  |  | (15,138) |
Ending balance | $ | 79,989 |  |  | $ | 91,654 |  |  | $ | 79,989 |  |  | $ | 91,654 |

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- Definition Tabular disclosure of the reconciliation using percentage or dollar amounts of the reported amount of income tax expense attributable to continuing operations for the year to the amount of income tax expense that would result from applying domestic federal statutory tax rates to pretax income from continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 231 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482663/740-10-55-231 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 12A -Publisher FASB -URI https://asc.fasb.org/1943274/2147482685/740-10-50-12A Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 12 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482685/740-10-50-12 + Details
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- Definition Tabular disclosure of valuation allowances to reduce deferred tax assets to net realizable value, including identification of the deferred tax asset more likely than not will not be fully realized and the corresponding amount of the valuation allowance. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482685/740-10-50-2 + Details
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