Subsequent events - Narrative (Details) - Subsequent Event $ / shares in Units, $ in Thousands	Apr. 17, 2024 USD ($) employee $ / shares
Global Cooling
Subsequent Event [Line Items]
Cash required on closing date	$ 7,000
Disposal Group, Held-for-Sale, Not Discontinued Operations \| Global Cooling
Subsequent Event [Line Items]
Cash required on closing date, funded by entity	4,910
Repayment of indebtedness	$ 2,596
Expected reduction of workforce \| employee	47
Expected reduction of workforce (percent)	11.00%
Restructuring charges	$ 1,595
Accelerated cost	$ 4,500
Period of transition services	90 days
Disposal Group, Held-for-Sale, Not Discontinued Operations \| Stock Compensation Expense \| Global Cooling
Subsequent Event [Line Items]
Restructuring charges	$ 1,300
Disposal Group, Held-for-Sale, Not Discontinued Operations \| Cash Expenditures \| Global Cooling
Subsequent Event [Line Items]
Restructuring charges	$ 300
Disposal Group, Held-for-Sale, Not Discontinued Operations \| GCI Holdings \| Global Cooling
Subsequent Event [Line Items]
Selling price per share (in dollars per share) \| $ / shares	$ 1
Second Amendment Term Loan
Subsequent Event [Line Items]
Termination fee, amount	$ 500
Financial covenant requirement amount	$ 15,000

Debt Instrument, Financial Covenant, Cash Outflow And Unsecured Indebtedness Limitation, Amount

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- Definition

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- Definition

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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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Amount of additional cost recognized for award under share-based payment arrangement from occurrence of event accelerating recognition of cost.

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- Definition

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 830
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