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IMPAIRMENT OF ASSETS (NARRATIVE) (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Impaired Long-Lived Assets Held and Used, Asset Description | The Company evaluated the recoverability of its leasehold improvement assets at certain customer engagement centers as well as all internally developed software projects. |  |
Impaired Long-Lived Assets Held and Used, Method for Determining Fair Value | To determine fair value, the Company used Level 3 inputs in its discounted cash flows analysis. Assumptions included the amount and timing of estimated future cash flows and assumed discount rates. |  |
Asset Impairment Charges | $ 244,093 | $ 11,733 | $ 13,749
TTEC Digital | Leasehold Improvements Right of Use Lease Assets Capitalized Software Certain Computer Equipment [Member] |  |  |
Asset Impairment Charges | 2,900 | 2,800 | 600
TTEC Engage | Leasehold Improvements Right of Use Lease Assets Capitalized Software Certain Computer Equipment [Member] |  |  |
Asset Impairment Charges | $ 7,700 | $ 8,900 | $ 13,100

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- Definition Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Subparagraph (b) -SubTopic 10 -Topic 230 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-28 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 45 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482130/360-10-45-4 + Details
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- Definition A description of how an entity determined the fair value of the long-lived asset they are holding and using, for example, whether based on a quoted market price, prices for similar assets, or another valuation technique. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 360 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.CC) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480091/360-10-S99-2 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482099/360-10-50-2 + Details
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