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Face (par) amount of debt instrument at time of issuance.

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Amount of gain (loss) from the difference between the sale price or salvage price and the book value of an asset that was sold or retired, and gain (loss) from the write down of assets from their carrying value to fair value.

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The value (monetary amount) of the award the plaintiff seeks in the legal matter.

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Commitments and Contingencies - Additional Information - Legal Proceedings and Claims - Cancellation of two UMS newbuilding contracts (Details)	1 Months Ended			3 Months Ended	6 Months Ended
	Sep. 30, 2016 USD ($) hull	Jun. 30, 2016 USD ($) building	Aug. 31, 2014 building	Jun. 30, 2016 USD ($)	Jun. 30, 2017 USD ($)	Dec. 31, 2016 USD ($)
Loss Contingencies [Line Items]
Outstanding amount					$ 6,648,441,000	$ 6,730,132,000
Logitel Offshore Holdings
Loss Contingencies [Line Items]
Percentage of ownership acquired			100.00%
Number of units for maintenance and safety \| building			3
Estimated claim					3,800,000
Teekay Offshore
Loss Contingencies [Line Items]
Write down on sale of vessels				$ 43,700,000
Reversal of contingent liabilities				14,500,000
Loss contingency accrual					69,300,000
Teekay Offshore \| Logitel Offshore Holdings
Loss Contingencies [Line Items]
Percentage of ownership acquired			100.00%
Number of units for maintenance and safety \| building		2
Stavanger Spirit \| Teekay Offshore
Loss Contingencies [Line Items]
Estimate of possible loss		$ 170,000,000		$ 170,000,000
Nantong Spirit \| Teekay Offshore
Loss Contingencies [Line Items]
Portion not accrued					51,900,000
Nantong Spirit \| Teekay Offshore \| Minimum
Loss Contingencies [Line Items]
Estimate of possible loss					10,000,000
Nantong Spirit \| Teekay Offshore \| Maximum
Loss Contingencies [Line Items]
Estimate of possible loss					40,000,000
Sevan Marine ASA \| Teekay Offshore \| Logitel Offshore Holdings
Loss Contingencies [Line Items]
Number of hulls \| hull	2
Debt instrument, principal amount	$ 60,000,000
Outstanding amount					50,000,000
Estimated claim	50,000,000				10,000,000
Sevan Marine ASA \| Vendor Credit Loan \| Teekay Offshore \| Logitel Offshore Holdings
Loss Contingencies [Line Items]
Debt instrument, principal amount	41,000,000
Sevan Marine ASA \| Cash Loan \| Teekay Offshore \| Logitel Offshore Holdings
Loss Contingencies [Line Items]
Debt instrument, principal amount	$ 19,000,000
CeFront Technology AS \| Nantong Spirit \| Teekay Offshore \| Logitel Offshore Holdings
Loss Contingencies [Line Items]
Estimated claim					20,200,000
CeFront Technology AS \| Arendal Spirit Ums \| Teekay Offshore \| Logitel Offshore Holdings
Loss Contingencies [Line Items]
Estimated claim					$ 3,300,000