Investments in and Advances to Equity Accounted Investments - Schedule of Investments in and Advances to Equity Accounted Investments (Detail) - USD ($) $ in Thousands |
Sep. 30, 2016 |
Dec. 31, 2015 |
|---|---|---|
| Schedule of Equity Method Investments [Line Items] | ||
| Investment in and advances to equity accounted investments | $ 78,771 | $ 86,808 |
| High-Q Joint Venture [Member] | ||
| Schedule of Equity Method Investments [Line Items] | ||
| Investment in and advances to equity accounted investments | 22,091 | 21,166 |
| Tanker Investments Ltd [Member] | ||
| Schedule of Equity Method Investments [Line Items] | ||
| Investment in and advances to equity accounted investments | 47,376 | 44,195 |
| Teekay Tanker Operations Ltd [Member] | ||
| Schedule of Equity Method Investments [Line Items] | ||
| Investment in and advances to equity accounted investments | $ 9,304 | $ 21,447 |