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RESTRUCTURING AND INTEGRATION CHARGES AND IMPAIRMENT LOSSES (NARRATIVE) (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2021 | Sep. 30, 2020 | Jun. 30, 2020 | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Reduction in force |  |  |  | $ 1,168 | $ 1,064 | $ 1,035
Restructuring Reserve, Period Increase (Decrease) |  |  |  | 400 |  |
Facility exit charges |  |  |  | $ 2,639 | 2,200 | 712
Impaired Long-Lived Assets Held and Used, Asset Description |  |  |  | During each of the periods presented, the Company evaluated the recoverability of its leasehold improvement assets at certain customer engagement centers. |  |
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. |  |
Restructuring reserve decrease |  |  |  |  |  |
Restructuring Reserve, Period Increase (Decrease) |  |  |  | $ 700 |  |
Leasehold Improvements |  |  |  |  |  |
Restructuring impairment losses |  |  |  | 7,400 | 5,800 | 2,700
TTEC Digital |  |  |  |  |  |
Reduction in force |  |  |  | 858 | 668 | 141
Facility exit charges |  |  |  | 10 | 90 | 41
TTEC Engage |  |  |  |  |  |
Reduction in force |  |  |  | 310 | 396 | 894
Facility exit charges |  |  |  | $ 2,629 | $ 2,110 | $ 671
Cost of Services |  |  |  |  |  |
Restructuring Reserve, Period Increase (Decrease) |  |  | $ 3,000 |  |  |
Cost of Services | Restructuring reserve decrease |  |  |  |  |  |
Restructuring Reserve, Period Increase (Decrease) | $ (300) | $ (1,600) |  |  |  |

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- Definition Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Includes, but is not limited to, one-time termination benefits, termination of an operating lease or other contract, consolidating or closing facilities, and relocating employees, and termination benefits associated with an ongoing benefit arrangement. Excludes expenses associated with special or contractual termination benefits, a discontinued operation or an asset retirement obligation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3602-108585 + Details
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