Commitments and Contingencies - Additional Information - Liquidity (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Debt Instrument [Line Items]
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	$ (148,986)	$ (57,747)	$ (529,072)
Net operating cash flow	383,306	182,135	544,264
Working capital deficit	20,700
Current portion of long-term debt	523,312	242,137
Carrying amount of long-term debt	2,867,120	3,363,127
Senior Notes (8.5%) due January 15, 2020
Debt Instrument [Line Items]
Carrying amount of long-term debt	36,712	508,577
Revolving Credit Facilities
Debt Instrument [Line Items]
Carrying amount of long-term debt	50,000
Teekay LNG
Debt Instrument [Line Items]
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	164,604	$ 76,875	$ (1,089)
Teekay LNG \| Equity Method Investments [Member]
Debt Instrument [Line Items]
Guarantor Obligations, Maximum Exposure, Undiscounted	$ 1,400,000

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Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions.

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt, classified as current. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Amount of cash inflow (outflow) from operating activities, including discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities.

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