Transformation, Facility Restructuring and Severance Charges - Schedule of Components of Restructuring Charges (Details) - Transformation Plan - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2020	Dec. 31, 2019
Restructuring Cost And Reserve [Line Items]
Severance Charges	$ 1,125	$ 3,379
Other Charges	62	339
Total Charges	1,187	3,718
UNITED STATES
Restructuring Cost And Reserve [Line Items]
Severance Charges	275	2,995
Other Charges	31	307
Total Charges	306	3,302
Africa and Europe, Continuing Operations
Restructuring Cost And Reserve [Line Items]
Severance Charges	185	200
Total Charges	185	200
Middle East and Asia
Restructuring Cost And Reserve [Line Items]
Severance Charges	665	184
Other Charges	31	31
Total Charges	$ 696	$ 215

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.

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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.

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-Publisher FASB
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Amount of expenses for special or contractual termination benefits provided to current employees involuntarily terminated under a benefit arrangement associated exit or disposal activities pursuant to an authorized plan. Excludes expenses related to one-time termination benefits, a discontinued operation or an asset retirement obligation.

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