Fair value measurement - Assets and liabilities measured on a recurring basis (Details) - USD ($) $ in Thousands	Jun. 30, 2025	Dec. 31, 2024	Jun. 30, 2024
Assets:
Restricted cash	$ 1,494		$ 3,162
Recurring Fair Value Measurements
Assets:
Cash and cash equivalents	253,778	$ 158,930
Restricted cash	1,494	1,399
Total assets	255,272	160,329
Liabilities:
Contingent consideration	15,931	10,860
Consideration for post-acquisition services	542	370
Total liabilities	16,473	11,230
Recurring Fair Value Measurements \| Fair value hierarchy Level 1
Assets:
Cash and cash equivalents	253,778	158,930
Restricted cash	1,494	1,399
Total assets	255,272	160,329
Recurring Fair Value Measurements \| Fair value hierarchy Level 3
Liabilities:
Contingent consideration	15,931	10,860
Consideration for post-acquisition services	542	370
Total liabilities	$ 16,473	$ 11,230

The amount of consideration payable for post acquisition services. Use for fair value note also

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- Definition

Fair value of contingent consideration in a business combination that is classified in other non-current liabilities.

+ References

No definition available.

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- Definition

Fair value portion of asset recognized for present right to economic benefit.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition

Fair value portion of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 825
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- Definition

Fair value of financial and nonfinancial obligations.

+ References

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- Definition

Amount of cash restricted as to withdrawal or usage, classified as noncurrent. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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