Consolidated Statements of Comprehensive Income (Loss) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Consolidated Statements of Comprehensive Income
Revenue.	$ 592,453	$ 566,734	$ 1,785,429	$ 1,660,747
Type of Revenue	us-gaap:ServiceMember	us-gaap:ServiceMember	us-gaap:ServiceMember	us-gaap:ServiceMember
Operating expenses
Cost of services (exclusive of depreciation and amortization presented separately below)	$ 450,454	$ 447,786	$ 1,361,179	$ 1,236,769
Selling, general and administrative	75,226	67,426	206,831	181,483
Depreciation and amortization	27,117	25,280	80,061	70,655
Restructuring charges, net	1,113	485	4,261	2,612
Impairment losses	2,939	(268)	13,299	3,949
Total operating expenses	556,849	540,709	1,665,631	1,495,468
Income from operations	35,604	26,025	119,798	165,279
Other income (expense)
Interest income	519	171	990	580
Interest expense	(10,565)	(3,504)	(20,525)	(8,687)
Other income (expense), net	3,946	3,288	11,317	3,537
Total other income (expense)	(6,100)	(45)	(8,218)	(4,570)
Income before income taxes	29,504	25,980	111,580	160,709
Benefit from (provision for) income taxes	(4,489)	(7,939)	(19,797)	(35,271)
Net income	25,015	18,041	91,783	125,438
Net income attributable to noncontrolling interest	(2,766)	(3,606)	(10,896)	(13,216)
Net income (loss) attributable to TTEC stockholders	22,249	14,435	80,887	112,222
Other comprehensive income (loss)
Foreign currency translation adjustments	(23,123)	(14,186)	(46,197)	(17,676)
Derivative valuation, gross	(4,430)	(8,314)	(12,096)	(11,760)
Derivative valuation, tax effect	1,150	2,164	3,138	3,056
Other, net of tax	70	23	424	35
Total other comprehensive income (loss)	(26,333)	(20,313)	(54,731)	(26,345)
Total comprehensive income (loss)	(1,318)	(2,272)	37,052	99,093
Less: Comprehensive income attributable to noncontrolling interest	(2,929)	(2,549)	(8,678)	(9,251)
Comprehensive income (loss) attributable to TTEC stockholders	$ (4,247)	$ (4,821)	$ 28,374	$ 89,842
Weighted average shares outstanding
Basic	47,207	46,984	47,087	46,857
Diluted	47,314	47,348	47,354	47,372
Weighted Average Share Counts
Basic	$ 0.47	$ 0.31	$ 1.72	$ 2.40
Diluted	0.47	0.30	1.71	2.37
Common Stock, Dividends, Per Share, Declared	$ 0.52	$ 0.47	$ 0.52	$ 0.47