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Long-Term Debt - Additional Information - Revolvers (Detail) shares in Millions | 12 Months Ended
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Dec. 31, 2019 USD ($) vessel term_loan shares
Debt Instrument [Line Items] |
Number of guaranteed debt | 1
Revolving Credit Facilities |
Debt Instrument [Line Items] |
Number of credit facilities | term_loan | 5
Number Of Credit Facilities Due to Mature within One Year | term_loan | 1
Credit facility, maximum borrowing capacity | $ 890,700,000
Undrawn amount of revolving credit facility | 287,600,000
Available capacity reduced under revolving credit facility next twelve months | 401,600,000
Available capacity reduced under revolving credit facility in year 2 | 321,400,000
Available capacity reduced under revolving credit facility in year 3 | $ 167,800,000
Debt Instrument, Collateral, Number of Vessels | vessel | 35
Revolving Credit Facilities | Teekay LNG |
Debt Instrument [Line Items] |
Credit facility, maximum borrowing capacity | $ 225,000,000
Revolving Credit Facilities | Teekay LNG | Common Class A |
Debt Instrument [Line Items] |
Common Unit, Issued | shares | 25.2
Revolving Credit Facilities | Teekay Tankers | Common Class A |
Debt Instrument [Line Items] |
Common Unit, Issued | shares | 5.0
LIBOR | Revolving Credit Facilities | Minimum |
Debt Instrument [Line Items] |
Debt instrument spread on variable rate | 1.40%
LIBOR | Revolving Credit Facilities | Maximum |
Debt Instrument [Line Items] |
Debt instrument spread on variable rate | 3.95%
Secured debt | Revolving Credit Facilities |
Debt Instrument [Line Items] |
Credit facility, maximum borrowing capacity | $ 150,000,000

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