Document And Entity Information - shares
9 Months Ended
Sep. 30, 2019
Oct. 31, 2019
Document Information [Line Items]    
Entity Central Index Key 0001031029  
Entity Registrant Name StarTek, Inc.  
Amendment Flag false  
Current Fiscal Year End Date --12-31  
Document Fiscal Period Focus Q3  
Document Fiscal Year Focus 2019  
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Sep. 30, 2019  
Document Transition Report false  
Entity File Number 1-12793  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 84-1370538  
Entity Address, Address Line One 6200 South Syracuse Way, Suite 485  
Entity Address, City or Town Greenwood Village  
Entity Address, State or Province CO  
Entity Address, Postal Zip Code 80111  
City Area Code 303  
Local Phone Number 262-4500  
Title of 12(b) Security Common Stock, $0.01 par value  
Trading Symbol SRT  
Security Exchange Name NYSE  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Accelerated Filer  
Entity Small Business true  
Entity Emerging Growth Company false  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding   38,483,025