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Debt - Credit Facility (Details) $ in Thousands | 3 Months Ended | 9 Months Ended | 10 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
Dec. 31, 2020 USD ($) | Dec. 31, 2020 USD ($) | Jan. 26, 2022 | Dec. 31, 2020 USD ($) | Dec. 31, 2019 USD ($)
Disclosure of detailed information about borrowings [line items] |  |  |  |  |
Proceeds from credit facility (note 17(a)) |  |  |  | $ 65,000 | $ 40,000
Repayment for credit facility |  |  |  | 55,000 |
Term Credit Facility [member] |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |
Repayment for credit facility |  |  |  | $ 55,000 |
Amended Credit Facility [Member] |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |
Senior secured debt to EBITDA ratio |  |  |  | 3 |
EBITDA to interest expense, ratio |  |  |  | 4.00 |
Amended Credit Facility [Member] | Scenario, Plan [Member] |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |
Total net debt to EBITDA ratio |  |  | 4.00 |  |
Senior secured debt to EBITDA ratio |  |  | 2.00 |  |
Amended Credit Facility [Member] | Bottom of range [member] | Ifrs London Interbank Offered Rate (LIBOR) [Member] |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |
Borrowings, interest rate basis |  |  |  | 2.5% |
Amended Credit Facility [Member] | Top of range [member] |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |
Total net debt to EBITDA ratio |  | 4.50 |  | 4.50 |
Amended Credit Facility [Member] | Top of range [member] | Ifrs London Interbank Offered Rate (LIBOR) [Member] |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |
Borrowings, interest rate basis |  |  |  | 3.5% |
Revolving Credit Facility [member] |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |
Undrawn amount in credit facility | $ 110,000 | $ 110,000 |  | $ 110,000 |
Borrowings amount that matured | 30,000 | 30,000 |  | 30,000 |
Proceeds from credit facility (note 17(a)) |  |  |  | 65,000 | $ 40,000
Repayment for credit facility | 55,000 |  |  |  |
Borrowing capacity | 110,000 | 110,000 |  | 110,000 |
Credit facility, remaining borrowing capacity | 80,000 | 80,000 |  | 80,000 |
Revolving Credit Facility [member] | Maturity Date Scenario One [Member] |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |
Borrowings amount that matured | 30,000 | 30,000 |  | $ 30,000 |
Borrowings, maturity |  |  |  | December 31, 2020 |
Revolving Credit Facility [member] | Maturity Date Scenario Two [Member] |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |
Borrowings, maturity |  |  |  | January 26, 2022 |
Non-Revolving Credit Facility [Member] |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |
Undrawn amount in credit facility | $ 40,000 | $ 40,000 |  | $ 40,000 |

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- Definition Borrowing covenants earnings before income taxes depreciation and amortization to interest expense ratio + References No definition available. + Details
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- Definition Borrowing covenants senior secured debt total to earnings before income taxes depreciation and amortization. + References No definition available. + Details
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- Definition Borrowing covenants total net debt to earnings before income taxes depreciation and amortization. + References No definition available. + Details
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- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. + References No definition available. + Details
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- Definition The basis (reference rate) used for calculation of the interest rate on borrowings. [Refer: Borrowings] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IFRS -Number 7 -IssueDate 2020-01-01 -Paragraph 7 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2020-en-r&anchor=para_7&doctype=Standard -URIDate 2020-01-01 + Details
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