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Segment Reporting - Other Income Statement Items by Segment (Detail) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Segment Reporting Information [Line Items] |  |  |
Gain on sale and (Write-down) of assets | $ 10,360 | $ 21,863 | $ (92,368)
Equity income (loss) | 3,432 | 244 | (14,107)
Depreciation, Depletion and Amortization | 97,551 | 99,033 | 106,084
Teekay Tankers | Tankers [Member] | Operating Segments |  |  |
Segment Reporting Information [Line Items] |  |  |
Gain on sale and (Write-down) of assets | 10,360 | 8,888 | (92,368)
Equity income (loss) | 3,432 | 244 | (14,107)
Depreciation, Depletion and Amortization | 97,551 | 99,033 | 106,084
Teekay Parent [Member] | Other | Operating Segments |  |  |
Segment Reporting Information [Line Items] |  |  |
Gain on sale and (Write-down) of assets | 0 | 12,975 | 0
Equity income (loss) | 0 | 0 | 0
Depreciation, Depletion and Amortization | $ 0 | $ 0 | $ 0

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