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Restructuring Charges - By type (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Restructuring charges
Restructuring charges	$ 2,903	$ 8,450
Organizational Restructuring
Restructuring charges
Restructuring charges		1,695
Pandemic Restructuring
Restructuring charges
Restructuring charges	1,717	5,257
Other Restructuring
Restructuring charges
Restructuring charges	222
Severance costs
Restructuring charges
Restructuring charges	1,717	6,952
Severance costs | Organizational Restructuring
Restructuring charges
Restructuring charges		1,695
Severance costs | Pandemic Restructuring
Restructuring charges
Restructuring charges	1,717	5,257
Property disposal costs | Property Restructuring
Restructuring charges
Loss on sale		915
Impairment loss		583
Other exit costs	964
Restructuring charges	$ 964	$ 1,498

X

- Definition

Amount of expenses for impairment associated exit or disposal activities pursuant to an authorized plan.

+ References

No definition available.

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- Definition

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+ References

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- Definition

Amount of other expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses associated with a discontinued operation or an asset retirement obligation.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3602-108585

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- Definition

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.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
-SubTopic 10
-Section 45
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=109237686&loc=d3e17752-110868

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
-SubTopic 10
-Section S99
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-Paragraph 2
-Subparagraph (SAB Topic 5.P.4(b)(1))
-URI http://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747

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