Deposits and other assets - Schedule of Deposits and Other Assets (Details) - USD ($) $ in Thousands	Jul. 01, 2023	Dec. 31, 2022
Deposits and Other Assets [Line Items]
Other	$ 17	$ 18
Total deposits and other assets	17	267
Discontinued Operations
Deposits and Other Assets [Line Items]
Deposits and other assets from discontinued operations	$ 0	$ 249

Carrying value of amounts transferred to third parties for security purposes that are expected to be returned or applied towards payment after one year or beyond the operating cycle, if longer.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(17))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1

Name:	us-gaap_DepositsAssetsNoncurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant