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Proceeds From Deconsolidation And Fair Value Of Retained Interest

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Recognition Of Lease In Business Deconsolidation, Fair Value Disclosure

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Amount of gain (loss) from deconsolidation of subsidiary and derecognition of group of assets constituting transfer of business or nonprofit activity, excluding conveyance of oil and gas mineral rights and transfer of good or service in contract with customer.

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Fair value portion of investments accounted under the equity method.

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Amount of issuances of financial instrument classified as a derivative asset (liability) after deduction of derivative liability (asset), measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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The amount of the reduction or elimination during the period of a noncontrolling interest resulting from the parent's loss of control and deconsolidation of the entity in which one or more outside parties had a noncontrolling interest.

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The cash inflow associated with the amount received from the sale of a business segment or subsidiary or sale of an entity that is related to it but not strictly controlled during the period (for example, an unconsolidated subsidiary, affiliate, joint venture or equity method investment).

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Deconsolidation of Teekay Offshore - Schedule of Deconsolidation (Details) - USD ($) $ in Thousands		12 Months Ended
	Sep. 25, 2017	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Noncontrolling Interest [Line Items]
Carrying value of the non-controlling interest in Altera				$ 881,830
Loss on deconsolidation of Altera		$ 0	$ (7,070)	$ (104,788)
Teekay Offshore
Noncontrolling Interest [Line Items]
Proceeds from Divestiture of Businesses and Interests in Affiliates	$ 139,693
Fair value of vessel charters with Altera (notes 6 and 7)	14,812
Carrying value of the non-controlling interest in Altera	1,138,275
Subtotal	1,479,508
Carrying value of Altera's net assets on deconsolidation	(1,584,296)
Loss on deconsolidation of Altera	(104,788)
Teekay Offshore \| Stock Purchase Warrants
Noncontrolling Interest [Line Items]
Fair value of warrants (note 16)	36,596
Teekay Offshore \| General Partner
Noncontrolling Interest [Line Items]
Fair value of common units and general partner interest of Altera	$ 150,132