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Impairments and (Gain) Loss on Assets Held for Sale (Tables) | 12 Months Ended
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Dec. 31, 2020
Assets Held For Sale Not Part Of Disposal Group [Abstract] |
Summary of Impairments and (Gain) Loss on Assets Held for Sale | Impairments and (gain) loss on assets held for sale – Impairments and (gain) loss on assets held for sale (“AHFS”) generally represents asset impairments, gains or losses on the sale of assets held for sale and certain nonrecurring items. A summary of our impairments and (gain) loss on assets held for sale for 2020, 2019 and 2018, is as follows:
|  | Year Ended December 31, 2020 |
Impairments and (gain) loss on assets held for sale |  | Shipyard |  |  | F&S |  |  | Corporate |  |  | Total |
Impairments of AHFS |  | $ | — |  |  | $ | 1,400 |  |  | $ | — |  |  | $ | 1,400 |
Impairments of Jennings Yard assets |  |  | 29 |  |  |  | — |  |  |  | — |  |  |  | 29 |
Impairments of Lake Charles Yard assets |  |  | 1,006 |  |  |  | — |  |  |  | — |  |  |  | 1,006 |
Impairments of other assets |  |  | 6 |  |  |  | 868 |  |  |  | — |  |  |  | 874 |
Loss on AHFS and other |  |  | 598 |  |  |  | 223 |  |  |  | — |  |  |  | 821 |
Total |  | $ | 1,639 |  |  | $ | 2,491 |  |  | $ | — |  |  | $ | 4,130 |
|  | Year Ended December 31, 2019 |
Impairments and (gain) loss on assets held for sale |  | Shipyard |  |  | F&S |  |  | Corporate |  |  | Total |
Impairments of AHFS |  | $ | 324 |  |  | $ | 7,842 |  |  | $ | — |  |  | $ | 8,166 |
Impairments of assets removed from AHFS |  |  | — |  |  |  | 1,060 |  |  |  | — |  |  |  | 1,060 |
Impairments of Jennings Yard assets |  |  | 4,578 |  |  |  | — |  |  |  | — |  |  |  | 4,578 |
Impairments of Lake Charles Yard assets |  |  | 2,998 |  |  |  | — |  |  |  | — |  |  |  | 2,998 |
Impairments of inventory and other assets |  |  | — |  |  |  | 400 |  |  |  | 21 |  |  |  | 421 |
(Gain) loss on AHFS and other |  |  | 20 |  |  |  | (369 | ) |  |  | 654 |  |  |  | 305 |
Total |  | $ | 7,920 |  |  | $ | 8,933 |  |  | $ | 675 |  |  | $ | 17,528 |
|  | Year Ended December 31, 2018 |
Impairments and (gain) loss on assets held for sale |  | Shipyard |  |  | F&S |  |  | Corporate |  |  | Total |
Gain on sale of South Texas Properties, net |  | $ | — |  |  | $ | (7,724 | ) |  | $ | — |  |  | $ | (7,724 | )
Impairments of AHFS |  |  | 964 |  |  |  | 1,387 |  |  |  | — |  |  |  | 2,351 |
Impairments of inventory and other assets |  |  | — |  |  |  | 2,094 |  |  |  | — |  |  |  | 2,094 |
Gain from insurance proceeds |  |  | — |  |  |  | (3,571 | ) |  |  | — |  |  |  | (3,571 | )
Total |  | $ | 964 |  |  | $ | (7,814 | ) |  | $ | — |  |  | $ | (6,850 | )
Summary of Assets Held for Sale | A summary of our assets held for sale at December 31, 2020 and 2019, is as follows (in thousands):
|  | December 31, |
|  | 2020 |  |  | 2019 |
Assets |  | Shipyard |  |  | F&S |  |  | Total |  |  | Shipyard |  |  | F&S |  |  | Total |
Machinery and equipment |  | $ | 3,619 |  |  | $ | 12,780 |  |  | $ | 16,399 |  |  | $ | — |  |  | $ | 17,618 |  |  | $ | 17,618 |
Accumulated depreciation |  |  | (1,605 | ) |  |  | (6,580 | ) |  |  | (8,185 | ) |  |  | — |  |  |  | (8,612 | ) |  | $ | (8,612 | )
Total assets held for sale |  | $ | 2,014 |  |  | $ | 6,200 |  |  | $ | 8,214 |  |  | $ | — |  |  | $ | 9,006 |  |  | $ | 9,006 |

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- Definition Tabular disclosure for impairment of long-lived assets held and used by an entity which includes a description of the impaired long-lived asset and facts and circumstances leading to the impairment, aggregate amount of the impairment loss and where the loss is located in the income statement, method(s) for determining fair value, and the segment in which the impaired long-lived asset is reported. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=109226691&loc=d3e2921-110230 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.CC) -URI http://asc.fasb.org/extlink&oid=27011434&loc=d3e125687-122742 + Details
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- Definition Tabular disclosure of long lived assets held for sale. Disclosure may include the description of the facts and circumstances leading to the expected disposal, manner and timing of disposal, the carrying value of the assets held for sale, the gain (loss) recognized in the income statement and the income statement caption that includes that gain (loss). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=109226691&loc=d3e2941-110230 + Details
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