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Income (Loss) Per Share - Schedule of Income (Loss) Per Share (Detail) - USD ($)
$ / shares in Units, $ in Thousands
 12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Income (loss) per common share:      
Basic $ 1.13 $ (0.76) $ (1.63)
Diluted $ 1.12 $ (0.76) $ (1.63)
Net income (loss) attributable to shareholders of Teekay Corporation $ 82,151 $ (54,757) $ (114,738)
Reduction in net earnings due to dilutive impact of stock-based compensation in Teekay LNG, Teekay Offshore and Teekay Tankers and Series C Preferred Units in Teekay Offshore (227)    
Net income (loss) attributable to shareholders of Teekay Corporation for diluted income (loss) per share $ 81,924 $ (54,757) $ (114,738)
Weighted average number of common shares 72,665,783 72,066,008 70,457,968
Dilutive effect of stock-based compensation 524,781    
Common stock and common stock equivalents 73,190,564 72,066,008 70,457,968