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Summary of Significant Accounting Policies - Basis of Presentation (Details) - $ / shares | 12 Months Ended |
--- | --- | ---
Dec. 31, 2024 | Dec. 31, 2023
Teekay Tankers |  |
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items] |  |
Noncontrolling Interest, Ownership Percentage by Parent | 31.00% | 28.70%
Seapeak |  |
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items] |  |
Noncontrolling Interest, Ownership Percentage by Parent | 0.00% | 0.00%
General Partner of Seapeak |  |
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items] |  |
Noncontrolling Interest, Ownership Percentage by Parent | 100.00% |
Teekay Tankers |  |
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items] |  |
Common Stock, Voting Rights, Votes Per Share Owned | $ 5 |
Common Class B | Teekay Tankers |  |
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items] |  |
Common Stock Maximum Voting Power | 49.00% |

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