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Segment Reporting - Other Income Statement Items by Segment (Detail) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Segment Reporting Information [Line Items] |  |  |
Gain on sale and (Write-down) of assets | $ 21,863 | $ (92,368) | $ (149,238)
Equity income (loss) | 244 | (14,107) | 5,100
Depreciation, Depletion and Amortization | 99,033 | 106,084 | 131,379
Teekay Tankers | Tankers [Member] | Operating Segments |  |  |
Segment Reporting Information [Line Items] |  |  |
Gain on sale and (Write-down) of assets | 8,888 | (92,368) | (69,446)
Equity income (loss) | 244 | (14,107) | 5,100
Depreciation, Depletion and Amortization | 99,033 | 106,084 | 117,213
Teekay Parent [Member] | Operating Segments |  |  |
Segment Reporting Information [Line Items] |  |  |
Gain on sale and (Write-down) of assets | 12,975 | 0 | (79,792)
Equity income (loss) | 0 | 0 | 0
Depreciation, Depletion and Amortization | 0 | 0 | 14,166
Teekay Parent [Member] | Offshore Production | Operating Segments |  |  |
Segment Reporting Information [Line Items] |  |  |
Gain on sale and (Write-down) of assets | 12,975 | 0 | (70,692)
Equity income (loss) | 0 | 0 | 0
Depreciation, Depletion and Amortization | 0 | 0 | 14,166
Teekay Parent [Member] | Other | Operating Segments |  |  |
Segment Reporting Information [Line Items] |  |  |
Gain on sale and (Write-down) of assets | 0 | 0 | (9,100)
Equity income (loss) | 0 | 0 | 0
Depreciation, Depletion and Amortization | $ 0 | $ 0 | $ 0

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- Definition The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e8736-108599 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3602-108585 + Details
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