ACCUMULATED OTHER COMPREHENSIVE LOSS (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2019 USD ($)
Accumulated Other Comprehensive Income [Roll Forward]
Beginning balance	$ 276,373
Foreign currency translation	567
Unrealized losses	(65)
Pension remeasurement	176
Ending balance	274,834
Total
Accumulated Other Comprehensive Income [Roll Forward]
Beginning balance	(6,790)
Ending balance	(6,112)
Foreign Currency Translation Adjustment
Accumulated Other Comprehensive Income [Roll Forward]
Beginning balance	(3,989)
Foreign currency translation	567
Ending balance	(3,422)
Derivatives Accounted for as Cash Flow Hedges
Accumulated Other Comprehensive Income [Roll Forward]
Beginning balance	(15)
Unrealized losses	(65)
Ending balance	(80)
Defined Benefit Plan
Accumulated Other Comprehensive Income [Roll Forward]
Beginning balance	(1,543)
Pension remeasurement	90
Ending balance	(1,453)
Equity attributable to Startek shareholders
Accumulated Other Comprehensive Income [Roll Forward]
Beginning balance	(5,547)
Foreign currency translation	567
Unrealized losses	(65)
Pension remeasurement	90
Ending balance	(4,955)
Non-controlling interests
Accumulated Other Comprehensive Income [Roll Forward]
Beginning balance	(1,243)
Pension remeasurement	86
Ending balance	$ (1,157)