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Goodwill, Intangible Assets and In-Process Revenue Contracts - Additional Information (Detail) (USD $)
 12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Segment Reporting Information [Line Items]      
Goodwill impairment charge (note 6)   $ 36,652,000  
Aggregate amortization expense 17,200,000 19,100,000 26,200,000
Amortization of intangible assets, 2013 18,400,000    
Amortization of intangible assets, 2014 13,000,000    
Amortization of intangible assets, 2015 11,900,000    
Amortization of intangible assets, 2016 10,900,000    
Amortization of intangible assets, 2017 9,900,000    
Amortization of intangible assets, thereafter 62,000,000    
Reclassification of unfavorable customer contracts from intangible assets 5,900,000    
Write-downs of intangibles and other     31,730,000
Amortization of in-process revenue (72,933,000) (46,436,000) (48,254,000)
OMI Corporation [Member]
      
Segment Reporting Information [Line Items]      
Percentage share of business acquired 50.00%    
Teekay Petrojarl And Omi Corporation [Member]
      
Segment Reporting Information [Line Items]      
Amortization of in-process revenue 72,933,000 46,436,000 48,254,000
Amortization of in-process revenue contracts, 2013 61,700,000    
Amortization of in-process revenue contracts, 2014 40,200,000    
Amortization of in-process revenue contracts, 2015 19,800,000    
Amortization of in-process revenue contracts, 2016 19,800,000    
Amortization of in-process revenue contracts, 2017 19,800,000    
Amortization of in-process revenue contracts, thereafter 80,300,000    
Suezmax Tankers [Member]
      
Segment Reporting Information [Line Items]      
Goodwill impairment charge (note 6)   $ 36,652,000