Long-Term Debt - Additional Information - NOK Bonds (Detail) - Teekay LNG - Nibor Loan [Member] - Norwegian Kroner Denominated Bonds Due Through Two Thousand Twenty Five kr in Millions, $ in Millions	12 Months Ended
Dec. 31, 2020 NOK (kr)	Dec. 31, 2019 USD ($)	Dec. 31, 2020 USD ($)
Debt Instrument [Line Items]
Debt instrument, carrying amount for unsecured debt \| kr	kr 3,100.0
Debt instrument, carrying amount \| $		$ 347.2	$ 355.5
Derivative, Notional Amount	kr 3,100.0		$ 360.5
Minimum
Debt Instrument [Line Items]
Debt instrument spread on variable rate	4.60%	3.70%
Fixed interest rates based on cross currency swaps	5.74%	5.92%	5.74%
Maximum
Debt Instrument [Line Items]
Debt instrument spread on variable rate	6.00%	6.00%
Fixed interest rates based on cross currency swaps	7.89%	7.89%	7.89%

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

No definition available.

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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.

+ References

No definition available.

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Fixed interest rate related to the interest rate derivative.

+ References

No definition available.

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Nominal or face amount used to calculate payment on derivative.

+ References

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-Publisher FASB
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Including the current and noncurrent portions, carrying value as of the balance sheet date of Notes with the highest claim on the assets of the issuer in case of bankruptcy or liquidation (with maturities initially due after one year or beyond the operating cycle if longer). Senior note holders are paid off in full before any payments are made to junior note holders.

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Including the current and noncurrent portions, carrying value as of the balance sheet date of uncollateralized debt obligations (with maturities initially due after one year or beyond the operating cycle if longer).

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