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Related Party Transactions and Balances - Additional Information - Itajai FPSO (Detail) - USD ($)
$ in Millions
12 Months Ended
Jun. 10, 2013
Dec. 31, 2014
Dec. 31, 2016
Related Party Transaction [Line Items]      
Percentage of interest in joint venture     100.00%
Itajai FPSO Joint Venture [Member]      
Related Party Transaction [Line Items]      
Entity acquired, purchase price $ 53.8    
Resolution of contractual items, Aggregate reimbursement   $ 6.1  
Teekay Corporation [Member] | Itajai FPSO Joint Venture [Member]      
Related Party Transaction [Line Items]      
Percentage of interest in joint venture 50.00%