v2.4.0.8
Document and Entity Information
12 Months Ended
Dec. 31, 2013
Document Information [Line Items]  
Document Type 20-F
Amendment Flag false
Document Period End Date Dec. 31, 2013
Document Fiscal Year Focus 2013
Document Fiscal Period Focus FY
Trading Symbol TNK
Entity Registrant Name TEEKAY TANKERS LTD.
Entity Central Index Key 0001419945
Current Fiscal Year End Date --12-31
Entity Well-known Seasoned Issuer No
Entity Voluntary Filers No
Entity Current Reporting Status Yes
Entity Filer Category Accelerated Filer
Class A [Member]
 
Document Information [Line Items]  
Entity Common Stock, Shares Outstanding 71,091,030
Class B [Member]
 
Document Information [Line Items]  
Entity Common Stock, Shares Outstanding 12,500,000