| Schedule of Segment Reporting Information, by Segment [Table Text Block] |
The following tables present certain financial data by segment (in thousands). The significant expense categories and amounts align with the segment-level information that is regularly provided to the CODM. Three Months Ended June 30, 2026 | | | | | | | | | | | | | | | TTEC Engage | | TTEC Digital | | Total | | Revenue | | | $ | 351,463 | | $ | 104,032 | | $ | 455,495 | | Cost of services (exclusive of depreciation and amortization presented separately below) (1) | | | | 288,628 | | | 69,205 | | | 357,833 | | Selling, general and administrative | | | | 40,757 | | | 20,497 | | | 61,254 | | Depreciation and amortization | | | | 14,743 | | | 6,398 | | | 21,141 | | Other segment items(2) | | | | 3,030 | | | 1,228 | | | 4,258 | | Income from operations | | | | 4,305 | | | 6,704 | | | 11,009 | | Interest income | | | | | | | | | | 97 | | Interest expense | | | | | | | | | | (16,688) | | Other income (expense), net | | | | | | | | | | 1,180 | | Income before income taxes | | | | | | | | | | (4,402) | |
Three Months Ended June 30, 2025 | | | | | | | | | | | | | | | TTEC Engage | | TTEC Digital | | Total | | Revenue | | | $ | 399,825 | | $ | 113,746 | | $ | 513,571 | | Cost of services (exclusive of depreciation and amortization presented separately below) (1) | | | | 327,015 | | | 72,258 | | | 399,273 | | Selling, general and administrative | | | | 47,465 | | | 23,189 | | | 70,654 | | Depreciation and amortization | | | | 16,424 | | | 6,464 | | | 22,888 | | Other segment items(2) | | | | 1,454 | | | 426 | | | 1,880 | | Income from operations | | | | 7,467 | | | 11,409 | | | 18,876 | | Interest income | | | | | | | | | | 3,217 | | Interest expense | | | | | | | | | | (18,233) | | Other income (expense), net | | | | | | | | | | (296) | | Income before income taxes | | | | | | | | | | 3,564 | |
Six Months Ended June 30, 2026 | | | | | | | | | | | | | | | TTEC Engage | | TTEC Digital | | Total | | Revenue | | | $ | 745,773 | | $ | 205,897 | | $ | 951,670 | | Cost of services (exclusive of depreciation and amortization presented separately below) (1) | | | | 604,832 | | | 140,867 | | | 745,699 | | Selling, general and administrative | | | | 85,192 | | | 42,601 | | | 127,793 | | Depreciation and amortization | | | | 29,723 | | | 12,723 | | | 42,446 | | Other segment items(2) | | | | 4,585 | | | 1,643 | | | 6,228 | | Income from operations | | | | 21,441 | | | 8,063 | | | 29,504 | | Interest income | | | | | | | | | | 548 | | Interest expense | | | | | | | | | | (33,672) | | Other income (expense), net | | | | | | | | | | 1,838 | | Income before income taxes | | | | | | | | | | (1,782) | |
Six Months Ended June 30, 2025 | | | | | | | | | | | | | | | TTEC Engage | | TTEC Digital | | Total | | Revenue | | | $ | 826,013 | | $ | 221,786 | | $ | 1,047,799 | | Cost of services (exclusive of depreciation and amortization presented separately below) (1) | | | | 669,177 | | | 144,643 | | | 813,820 | | Selling, general and administrative | | | | 94,948 | | | 45,743 | | | 140,691 | | Depreciation and amortization | | | | 32,630 | | | 12,956 | | | 45,586 | | Other segment items(2) | | | | 3,466 | | | 1,171 | | | 4,637 | | Income from operations | | | | 25,792 | | | 17,273 | | | 43,065 | | Interest income | | | | | | | | | | 7,797 | | Interest expense | | | | | | | | | | (38,030) | | Other income (expense), net | | | | | | | | | | 3,293 | | Income before income taxes | | | | | | | | | | 16,125 | |
(1) Cost of services primarily includes employee related and technology costs. (2) Other segment items include impairment losses and restructuring charges. | | | | | | | | | | | | | | | | Three Months Ended | | Six Months Ended | | | | June 30, | | June 30, | | | | 2026 | | 2025 | | 2026 | | 2025 | | Capital Expenditures | | | | | | | | | | | | | | TTEC Digital | | $ | 2,783 | | $ | 1,554 | | $ | 5,141 | | $ | 3,660 | | TTEC Engage | | | 9,857 | | | 5,627 | | | 13,899 | | | 8,927 | | Total | | $ | 12,640 | | $ | 7,181 | | $ | 19,040 | | $ | 12,587 | |
| | | | | | | | | | | | June 30, 2026 | | December 31, 2025 | | Total Assets | | | | | | | | | TTEC Digital | | | $ | 543,623 | | $ | 566,057 | | TTEC Engage | | | | 830,024 | | | 933,025 | | Total | | | $ | 1,373,647 | | $ | 1,499,082 | | | | | | | | | | |
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