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The minimum liquidity required by covenants of certain debt currently held by the company. Liquidity is defined as cash, cash equivalents and undrawn committed revolving credit lines with at least six months to maturity.

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The minimum hull coverage ratio as required by certain covenants for debts held by the Company.

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Debt covenants from certain debts held by the Company that is guaranteed by the Company's parent, which requires the Company's parent to maintain a minimum amount of free cash and undrawn committed revolving credit lines, as a percentage of the parent's total consolidated debt.

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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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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Face (par) amount of debt instrument at time of issuance.

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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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No definition available.

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Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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No definition available.

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The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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Amount of increase (decrease) of the credit facility.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

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Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Weighted average interest rate of long-term debt outstanding calculated at point in time.

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Amount outstanding, before the effects of recovery, of obligation under the joint and several liability arrangement.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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The cash outflow for a borrowing having initial term of repayment within one year or the normal operating cycle, if longer.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Long-Term Debt - Additional Information (Details)	1 Months Ended	12 Months Ended
Long-Term Debt - Additional Information (Details)	Jan. 31, 2016 USD ($) credit_facility	Dec. 31, 2021 USD ($)	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)	Dec. 31, 2016 USD ($) Debt_Instruments SecurityLoan vessel credit_facility	Dec. 31, 2015 USD ($)
Debt Instrument [Line Items]
Total principal					$ 941,661,000	$ 1,166,301,000
Repayments of short-term debt	$ 845,800,000
Interest at a weighted-average fixed rate					2.40%	1.60%
Secured Debt [Member]
Debt Instrument [Line Items]
Total principal					$ 475,466,000	$ 635,330,000
Secured Debt [Member] \| Guaranteed By Teekay Corporation [Member]
Debt Instrument [Line Items]
Maintain the greater of free cash liquidity					$ 50,000,000
Minimum liquidity as a percentage of debt					5.00%
Secured Debt [Member] \| Subsidiary of Common Parent [Member]
Debt Instrument [Line Items]
Number of debt instruments \| Debt_Instruments					1
Amount outstanding in the joint and several liability arrangement					$ 0
Term Loan Due 2021 [Member] \| Secured Debt [Member]
Debt Instrument [Line Items]
Number of debt instruments \| SecurityLoan					2
Revolving Credit Facility [Member] \| Revolving Credit Facilities [Member]
Debt Instrument [Line Items]
Total principal					$ 55,100,000	447,000,000
New Debt Facility [Member]
Debt Instrument [Line Items]
Secured long-term debt facility	894,400,000.0
Collateral, number of vessels \| vessel					36
Minimum hull coverage ratios					125.00%
Actual hull coverage ratio					140.00%
New Debt Facility [Member] \| Not Guaranteed By Teekay Corporation [Member]
Debt Instrument [Line Items]
Debt term					6 months
Minimum liquidity covenant requirement					$ 35,000,000
Minimum liquidity as a percentage of consolidated debt covenant requirement					5.00%
Remaining Revolving Credit Facilities [Member] \| Revolving Credit Facilities [Member]
Debt Instrument [Line Items]
Total principal					$ 72,000,000	84,000,000
Debt term					6 months
Remaining Secured Debt [Member] \| Secured Debt [Member]
Debt Instrument [Line Items]
Collateral, number of vessels \| vessel					2
Minimum [Member]
Debt Instrument [Line Items]
Percentage of margin					0.30%
Maximum [Member]
Debt Instrument [Line Items]
Percentage of margin					2.00%
Revolving Credit Facilities [Member]
Debt Instrument [Line Items]
Number of debt instruments \| credit_facility					3
Revolving credit facilities borrowing capacity					$ 500,500,000.0	545,500,000.0
Undrawn amount of revolving credit facility					34,300,000	14,600,000
Total principal					466,195,000	$ 530,971,000
Revolving Credit Facilities [Member] \| Not Guaranteed By Teekay Corporation [Member]
Debt Instrument [Line Items]
Minimum liquidity covenant requirement					$ 35,000,000
Minimum liquidity as a percentage of consolidated debt covenant requirement					5.00%
Revolving Credit Facilities [Member] \| Guaranteed By Teekay Corporation [Member]
Debt Instrument [Line Items]
Maintain the greater of free cash liquidity					$ 50,000,000
Minimum liquidity as a percentage of debt					5.00%
Revolving Credit Facilities [Member] \| Term Loan [Member]
Debt Instrument [Line Items]
Aggregate annual long-term principal repayments, 2017					$ 171,400,000
Aggregate annual long-term principal repayments, 2018					175,600,000
Aggregate annual long-term principal repayments, 2019					110,000,000
Aggregate annual long-term principal repayments, 2020					110,000,000
Aggregate annual long-term principal repayments, 2021					$ 374,700,000
Revolving Credit Facilities [Member] \| January 2021 [Member] \| Term Loan [Member] \| Bridge Loan [Member]
Debt Instrument [Line Items]
Long-term Line of Credit	$ 894,400,000
Number of debt instruments \| credit_facility	2
Revolving Credit Facilities [Member] \| Remaining Revolving Credit Facilities [Member]
Debt Instrument [Line Items]
Number of debt instruments \| credit_facility					2
Collateral, number of vessels \| vessel					5
Minimum hull coverage ratios					105.00%
Actual hull coverage ratio					117.00%	138.00%
LIBOR [Member] \| Minimum [Member] \| Secured Debt [Member]
Debt Instrument [Line Items]
Percentage of margin					0.30%	0.30%
LIBOR [Member] \| Maximum [Member] \| Secured Debt [Member]
Debt Instrument [Line Items]
Percentage of margin					2.00%	2.80%
LIBOR [Member] \| Revolving Credit Facilities [Member] \| Minimum [Member]
Debt Instrument [Line Items]
Percentage of margin					0.45%	0.45%
LIBOR [Member] \| Revolving Credit Facilities [Member] \| Maximum [Member]
Debt Instrument [Line Items]
Percentage of margin					2.00%	0.60%
Scenario, Forecast [Member] \| Revolving Credit Facilities [Member]
Debt Instrument [Line Items]
Reduction in the total amount available under Revolvers		$ 369,100,000	$ 67,300,000	$ 64,100,000