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Long-Term Debt - Additional Information - Revolvers (Detail) $ in Thousands | 12 Months Ended
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Dec. 31, 2021 USD ($) credit_facility vessel | Dec. 31, 2020 USD ($)
Debt Instrument [Line Items] |  |
Carrying amount of long-term debt | $ 680,085 | $ 605,147
Teekay Tankers |  |
Debt Instrument [Line Items] |  |
Undrawn amount of revolving credit facility | $ 45,400 | 32,000
Revolving Credit Facilities due through December 2024 |  |
Debt Instrument [Line Items] |  |
Number of credit facilities | credit_facility | 1 |
Credit facility, maximum borrowing capacity | $ 344,900 | 438,400
Undrawn amount of revolving credit facility | $ 73,800 | $ 253,400
Debt instrument spread on variable rate | 2.40% | 2.40%
Available capacity reduced under revolving credit facility in year 2 | $ 65,300 |
Available capacity reduced under revolving credit facility in year 3 | $ 201,300 |
Debt Instrument, Collateral, Number of Vessels | vessel | 29 |
Carrying amount of long-term debt | $ 271,167 | $ 185,000
Line Of Credit Reduction Of Available Borrowing Capacity in Year One | $ 78,400 |

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- Definition Number Of Credit Facilities + References No definition available. + Details
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- Definition Percentage points added to the reference rate to compute the variable rate on the debt instrument. + References No definition available. + Details
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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. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=123466204&loc=SL6031897-161870 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(16)) -URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 + Details
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- Definition 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. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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- Details
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- Details
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