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Retirement plans (Tables) | 12 Months Ended
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Dec. 31, 2020
Employee Benefits [Abstract] |
Disclosure of net defined benefit liability (asset) | Information concerning the Company’s defined benefit pension plans, in aggregate, is as follows:
As at | Dec 31 2020 | Dec 31 2019
Accrued benefit obligations: |  |
Balance, beginning of year | $ | 66,061 |  | $ | 60,618 |
Current service cost | 3,016 |  | 2,639 |
Interest cost on accrued benefit obligations | 1,794 |  | 2,196 |
Benefit payments | (2,227) |  | (7,092) |
Actuarial loss | 7,120 |  | 8,041 |
Foreign exchange (gain) loss | 3,046 |  | (341) |
Balance, end of year | 78,810 |  | 66,061 |
Fair values of plan assets: |  |
Balance, beginning of year | 43,891 |  | 40,955 |
Interest income on assets | 1,260 |  | 1,396 |
Contributions | 1,182 |  | 4,056 |
Benefit payments | (2,227) |  | (7,092) |
Return on plan assets | 1,940 |  | 2,500 |
Foreign exchange gain | 912 |  | 2,076 |
Balance, end of year | 46,958 |  | 43,891 |
Unfunded status | 31,852 |  | 22,170 |
Minimum funding requirement | — |  | — |
Defined benefit obligation, net | $ | 31,852 |  | $ | 22,170 |
Expense recognized in the income statement | The Company’s net defined benefit pension plan expense charged to the consolidated statements of income (loss) for the years ended December 31, 2020 and 2019 is as follows:
For the years ended December 31 | 2020 | 2019
Net defined benefit pension plan expense: |  |
Current service cost | $ | 3,016 | $ | 2,639 |
Net interest cost | 534 | 800 |
Total net defined benefit pension plan expense | $ | 3,550 | $ | 3,439 |
Expense recognized in other comprehensive income | The Company’s current year actuarial losses, recognized in the consolidated statements of comprehensive income (loss) for the years ended December 31, 2020 and 2019, are as follows:
For the years ended December 31 | 2020 | 2019
Actuarial loss | $ | (5,413) |  | $ | (4,479) |
Disclosure of fair value of plan assets | The asset allocation for the defined benefit pension plan assets as at December 31, 2020 and 2019 is as follows:
As at | Dec 31 2020 | Dec 31 2019
Equity securities | 18% | 18%
Debt securities | 57% | 57%
Cash and other short-term securities | 25% | 25%
Total | 100% | 100%

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- Definition The disclosure of the fair value of defined benefit plan assets. [Refer: Plan assets [member]; Defined benefit plans [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 19 -IssueDate 2020-01-01 -Paragraph 142 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=19&code=ifrs-tx-2020-en-r&anchor=para_142&doctype=Standard -URIDate 2020-01-01 + Details
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- Definition The disclosure of a net defined benefit liability (asset). [Refer: Net defined benefit liability (asset)] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 19 -IssueDate 2020-01-01 -Paragraph 140 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=19&code=ifrs-tx-2020-en-r&anchor=para_140_a&doctype=Standard -URIDate 2020-01-01 + Details
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- Definition Disclosure Of Defined Benefit Plan Expense Recognized In Other Comprehensive Income Explanatory [Table Text Block] + References No definition available. + Details
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- Definition Disclosure Of Defined Benefit Plan Expense Recognized In Profit Or Loss Explanatory [Table Text Block] + References No definition available. + Details
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