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Derivative financial instruments (Details) - USD ($) $ in Thousands | Mar. 31, 2023 | Mar. 20, 2023 | Dec. 31, 2022 | Sep. 20, 2022 | Jul. 19, 2019
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Derivative [Line Items] |  |  |  |  |
Fair value asset / (liability) other non-current liabilities | $ (895) |  |  |  |
Fair value asset / (liability), other non-current assets | 0 |  |  |  |
Interest rate swap March 2023 [Member] |  |  |  |  |
Derivative [Line Items] |  |  |  |  |
Notional amount |  | $ 200,000 |  |  |
Interest rate |  | 4.003% |  |  |
Fair value asset / (liability) other non-current liabilities | (888) |  |  |  |
Interest rate swap September 2022 [Member] |  |  |  |  |
Derivative [Line Items] |  |  |  |  |
Notional amount |  |  |  | $ 300,000 |
Interest rate |  |  |  | 3.99% |
Fair value asset / (liability) other non-current liabilities | $ (7) |  |  |  |
Fair value asset / (liability), other non-current assets |  |  | $ 2,409 |  |
Interest rate swap July 2019 [Member] |  |  |  |  |
Derivative [Line Items] |  |  |  |  |
Notional amount |  |  |  |  | $ 200,000
Interest rate |  |  |  |  | 1.798%
Fair value asset / (liability), other current assets |  |  | $ 1,184 |  |

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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 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 -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312 + Details
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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 -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312 + Details
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- Definition Fixed interest rate related to the interest rate derivative. + References No definition available. + 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 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 -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312 + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition Nominal or face amount used to calculate payment on derivative. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1B -URI https://asc.fasb.org/extlink&oid=125515794&loc=SL5580258-113959 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (d) -URI https://asc.fasb.org/extlink&oid=125515794&loc=SL5579245-113959 + Details
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