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Derivative financial instruments (Details) - USD ($) $ in Thousands |  | 9 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | ---
Jun. 01, 2021 | Sep. 30, 2024 | Dec. 31, 2023 | Jun. 20, 2023 | Mar. 20, 2023 | Sep. 20, 2022
Credit facility agreement [Member] | Minimum [Member] |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |
Interest rate margin on variable-rate debt |  | 1.50% | 1.50% |  |  |  |
Credit facility agreement [Member] | Maximum [Member] |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |
Interest rate margin on variable-rate debt |  | 2.50% | 2.50% |  |  |  |
Amortizing interest rate swap June 2023 |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |
Notional amount |  |  |  |  | $ 222,932 |  |
Interest rate | [1] |  |  |  | 4.249% |  |
Fair value asset / (liability), other non-current liabilities |  |  | $ (3,500) | $ (2,158) |  |  |
Interest rate swap March 2023 |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |
Notional amount |  |  |  |  |  | $ 200,000 |
Interest rate | [1] |  |  |  |  | 4.003% |
Fair value asset / (liability), other non-current assets |  |  |  | 287 |  |  |
Fair value asset / (liability), other non-current liabilities |  |  | (807) |  |  |  |
Interest rate swap September 2022 |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |
Notional amount |  |  |  |  |  |  | $ 300,000
Interest rate | [1] |  |  |  |  |  | 3.99%
Fair value asset / (liability), other non-current assets |  |  |  | $ 1,519 |  |  |
Fair value asset / (liability), accrued liabilities |  |  | $ (73) |  |  |  |
[1] | In addition, an applicable margin ranging from 1.5% to 2.5%, depending on our consolidated total leverage ratio, is paid on amounts outstanding under our credit facility (Note 12).

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- Definition Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, expected to be settled after one year or the normal operating cycle, if longer. Includes assets not subject to a master netting arrangement and not elected to be offset. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 210 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147483466/210-20-50-3 + Details
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- Definition Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, expected to be settled within one year or normal operating cycle, if longer. Includes assets not subject to a master netting arrangement and not elected to be offset. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 210 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147483466/210-20-50-3 + Details
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