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PROPERTY, EQUIPMENT AND SOFTWARE, NET - Schedule of Impairment Charges for Long-lived Assets (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020
Property, Plant and Equipment [Line Items] |  |
Impairment of long-lived assets | $ 870 | $ 15,178
Long-lived asset impairment: |  |
Property, Plant and Equipment [Line Items] |  |
Impairment of long-lived assets | 0 | 9,565
Long-lived asset impairment: | North America |  |
Property, Plant and Equipment [Line Items] |  |
Impairment of long-lived assets | 0 | 0
Long-lived asset impairment: | International |  |
Property, Plant and Equipment [Line Items] |  |
Impairment of long-lived assets | 0 | 9,565
Restructuring and related charges |  |
Property, Plant and Equipment [Line Items] |  |
Impairment of long-lived assets | 870 | 5,613
Restructuring and related charges | North America |  |
Property, Plant and Equipment [Line Items] |  |
Impairment of long-lived assets | 602 | 0
Restructuring and related charges | International |  |
Property, Plant and Equipment [Line Items] |  |
Impairment of long-lived assets | $ 268 | $ 5,613

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