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RESTRUCTURING CHARGES - By type (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Dec. 31, 2020	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
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	$ 5,300	1,717	5,257
Property disposal costs
Restructuring charges
Loss on sale			915
Impairment loss			583
Other exit costs		964
Restructuring charges		964	$ 1,498
Other restructuring costs
Restructuring charges
Restructuring charges		$ 222

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

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+ References

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-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
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+ References

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