The actual hull coverage ratio of the Company as at period end.

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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 free liquidity and undrawn revolving credit line required by covenants of certain debt currently held by the Company, as a percentage of total debt.

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No definition available.

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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 Covenant Parent Guarantee Free Cash Requirement

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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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No definition available.

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- Definition

Debt Instrument, Collateral, Number of Vessels

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Number of debt instruments.

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Percentage points added to the reference rate to compute the variable rate on the debt instrument.

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- Definition

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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-Name Accounting Standards Codification
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- Definition

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

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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- Definition

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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- Definition

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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- Definition

Amount of increase (decrease) of the credit facility.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(f))
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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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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
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
-Subparagraph (b)
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Long-Term Debt - Additional Information - Revolvers and Term Loans (Details)	1 Months Ended	9 Months Ended	12 Months Ended
	Jan. 31, 2016 USD ($) bridge_loan	Sep. 30, 2017 USD ($) loan credit_facility vessel	Dec. 31, 2016 USD ($)
Debt Instrument [Line Items]
Total principal		$ 652,233,000	$ 941,661,000
Repayments of 2 bridge loans and a portion of the revolving credit facility	$ 845,800,000
Term Loans
Debt Instrument [Line Items]
Total principal		330,903,000	$ 475,466,000
Remaining Secured Debt \| Guaranteed By Teekay Corporation
Debt Instrument [Line Items]
Maintain the greater of free cash liquidity		$ 50,000,000
Minimum liquidity as a percentage of debt		5.00%
Term Loan Due 2021 \| Term Loans
Debt Instrument [Line Items]
Number of debt instruments \| credit_facility		2
Maturing in May 2021 \| Term Loans
Debt Instrument [Line Items]
Number of debt instruments \| loan		1
2016 Debt Facility
Debt Instrument [Line Items]
Debt instrument, face amount	$ 894,400,000
Collateral, number of vessels \| vessel		30
Minimum hull coverage ratios		125.00%
Actual hull coverage ratio		139.00%	140.00%
2016 Debt Facility \| Not Guaranteed By Teekay Corporation
Debt Instrument [Line Items]
Minimum liquidity covenant requirement		$ 35,000,000
Minimum liquidity as a percentage of consolidated debt covenant requirement		5.00%
Matured in January 2016
Debt Instrument [Line Items]
Number of debt instruments \| bridge_loan	2
Revolving Facility One \| Revolving Credit Facility
Debt Instrument [Line Items]
Total principal		$ 0	$ 55,100,000
Remaining Revolving Credit Facilities \| Revolving Credit Facility
Debt Instrument [Line Items]
Total principal		$ 67,200,000	$ 72,000,000
Remaining Secured Debt \| Term Loans
Debt Instrument [Line Items]
Collateral, number of vessels \| vessel		2
Minimum
Debt Instrument [Line Items]
Percentage of margin		0.30%
Minimum \| 2016 Debt Facility \| Not Guaranteed By Teekay Corporation
Debt Instrument [Line Items]
Debt term		6 months
Maximum
Debt Instrument [Line Items]
Percentage of margin		2.00%
LIBOR \| Minimum \| Term Loans
Debt Instrument [Line Items]
Percentage of margin		0.30%	0.30%
LIBOR \| Maximum \| Term Loans
Debt Instrument [Line Items]
Percentage of margin		2.00%	2.00%
Revolving Credit Facility
Debt Instrument [Line Items]
Number of debt instruments \| credit_facility		2
Revolving credit facilities borrowing capacity		$ 365,500,000	$ 500,500,000
Undrawn amount of revolving credit facility		44,200,000	34,300,000
Total principal		321,330,000	$ 466,195,000
Revolving Credit Facility \| Remainder of 2017
Debt Instrument [Line Items]
Reduction in the total amount available under Revolvers		5,500,000
Revolving Credit Facility \| 2018
Debt Instrument [Line Items]
Reduction in the total amount available under Revolvers		67,300,000
Revolving Credit Facility \| 2019
Debt Instrument [Line Items]
Reduction in the total amount available under Revolvers		0
Revolving Credit Facility \| 2020
Debt Instrument [Line Items]
Reduction in the total amount available under Revolvers		0
Revolving Credit Facility \| 2021
Debt Instrument [Line Items]
Reduction in the total amount available under Revolvers		$ 292,700,000
Revolving Credit Facility \| Remaining Revolving Credit Facilities
Debt Instrument [Line Items]
Collateral, number of vessels \| vessel		3
Minimum hull coverage ratios		105.00%
Actual hull coverage ratio		116.00%	117.00%
Revolving Credit Facility \| LIBOR \| Minimum
Debt Instrument [Line Items]
Percentage of margin		0.45%	0.45%
Revolving Credit Facility \| LIBOR \| Maximum
Debt Instrument [Line Items]
Percentage of margin		2.00%	2.00%
Remaining Revolving Credit Facilities \| Guaranteed By Teekay Corporation
Debt Instrument [Line Items]
Maintain the greater of free cash liquidity		$ 50,000,000
Minimum liquidity as a percentage of debt		5.00%
Remaining Revolving Credit Facilities \| Minimum \| Guaranteed By Teekay Corporation
Debt Instrument [Line Items]
Debt term		6 months
Remaining Secured Debt \| Minimum \| Guaranteed By Teekay Corporation
Debt Instrument [Line Items]
Debt term		6 months