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Restructuring Charges - By type (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2020 USD ($)
Restructuring charges
Charges incurred	$ 8,450
Organizational Restructuring
Restructuring charges
Charges incurred	1,695
Pandemic Restructuring
Restructuring charges
Charges incurred	5,257
Property Restructuring
Restructuring charges
Loss on sale	915
Impairment loss	583
Charges incurred	1,498
Severance costs
Restructuring charges
Charges incurred	6,952
Severance costs | Organizational Restructuring
Restructuring charges
Charges incurred	1,695
Severance costs | Pandemic Restructuring
Restructuring charges
Charges incurred	5,257
Property restructuring | Property Restructuring
Restructuring charges
Loss on sale	915
Impairment loss	583
Charges incurred	$ 1,498

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- Definition

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

+ References

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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://fasb.org/us-gaap/role/ref/legacyRef
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-Name Accounting Standards Codification
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-SubTopic 10
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