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v3.20.1

Long-Term Debt - Additional Information - Convertible Notes (Details) - Convertible Debt - Convertible Senior Notes (5%) due January 15, 2023 | Jan. 31, 2018 USD ($) | Jan. 26, 2018 USD ($) $ / shares
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Debt Instrument [Line Items] |  |
Conversion rate |  | 85.4701
Principal amount |  | $ 1,000
Conversion price (in dollars per share) | $ / shares |  | $ 11.70
Premium on concurrent common stock offering price (as a percentage) |  | 20.00%
Sale of stock (in dollars per share) | $ / shares |  | $ 9.75
Teekay Parent |  |
Debt Instrument [Line Items] |  |
Debt instrument, principal amount |  | $ 125,000,000
Debt interest rate |  | 5.00%
Conversion rate |  | 85.4701
Principal amount |  | $ 1,000
Conversion price (in dollars per share) | $ / shares |  | $ 11.70
Premium on concurrent common stock offering price (as a percentage) |  | 20.00%
Sale of stock (in dollars per share) | $ / shares |  | $ 9.75
Net proceeds of convertible debt | $ 104,600,000 |
Debt Instrument, Term | 5 years |
Remaining amount of net proceeds allocation to conversion feature |  | $ 16,100,000

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