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Workforce reduction - Summary of Changes in Liabilities Resulting from the Severance Charges and Related Accruals (Details) $ in Thousands	6 Months Ended
	Jun. 30, 2025 USD ($)
Workforce reduction [Abstract]
Balance as of December 31, 2023	$ 1,501
Charges	34
Payments and other adjustments	(1,510)
Balance as of June 30, 2024	$ 25

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- Definition

Workforce reduction Abstract

+ References

No definition available.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from restructuring reserve.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482685/740-10-50-6

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- Definition

Amount of cash payments made as the result of exit or disposal activities. Excludes payments associated with a discontinued operation or an asset retirement obligation.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 420
-SubTopic 10
-Name Accounting Standards Codification
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-Paragraph 1
-Subparagraph (b)(2)
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-URI https://asc.fasb.org/1943274/2147482017/420-10-50-1

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
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Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 420
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-Topic 420
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