Fair value of financial instruments - Schedule of Financial Liabilities Measured at Fair Value on a Recurring Basis (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Fair value measurements on a recurring basis
Derivative financial instruments	$ 0	$ 22,543
Fair value measurements on a recurring basis \| Interest rate swap
Fair value measurements on a recurring basis
Derivative financial instruments	3,510	22,543
Fair value measurements on a recurring basis \| Level 1 \| Interest rate swap
Fair value measurements on a recurring basis
Derivative financial instruments	0	0
Fair value measurements on a recurring basis \| Level 2 \| Interest rate swap
Fair value measurements on a recurring basis
Derivative financial instruments	3,510	22,543
Fair value measurements on a recurring basis \| Level 3 \| Interest rate swap
Fair value measurements on a recurring basis
Derivative financial instruments	$ 0	$ 0

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. Includes liabilities not subject to a master netting arrangement and not elected to be offset.

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

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 20
-Section 55
-Paragraph 10
-URI https://asc.fasb.org/extlink&oid=99393222&loc=SL20226008-175313

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 10
-URI https://asc.fasb.org/extlink&oid=123594938&loc=d3e13433-108611

Reference 4: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 20
-Section 55
-Paragraph 22
-URI https://asc.fasb.org/extlink&oid=99393222&loc=SL20226052-175313

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant