The amount of cash on hand and demand deposits, along with short-term, highly liquid investments that are readily convertible to known amounts of cash and that are subject to an insignificant risk of changes in value. [Refer: Cash; Cash equivalents]

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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Cash and cash equivalents - Narratives (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022	Jun. 30, 2022	Jan. 01, 2022	Dec. 31, 2021
Cash and cash equivalents
Cash and cash equivalents	$ 43,732	$ 42	$ 693	$ 955	$ 955
Senior Syndicated Facility Agreement
Cash and cash equivalents
Minimum cash to be maintained	30,000
Cash and cash equivalents	5,000		$ 0
Facility B
Cash and cash equivalents
Credit facility undrawn and available amount	$ 25,000