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Note 15 - Asset Dispositions, Assets Held for Sale and Asset Impairments (Tables) | 9 Months Ended
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Sep. 30, 2021
Notes Tables |
Disclosure of Long Lived Assets Held-for-sale [Table Text Block] |
|  | Three Months Ended |
(In thousands, except for number of vessels data) |  | Number of Vessels |  |  | September 30, 2021 |  |  | Number of Vessels |  |  | September 30, 2020 |
Beginning balance |  |  | 14 |  |  | $ | 17,214 |  |  |  | 46 |  |  | $ | 29,064 |
Additions |  |  | 2 |  |  |  | 4,089 |  |  |  | — |  |  |  | — |
Sales |  |  | (1 | ) |  |  | (1,250 | ) |  |  | (22 | ) |  |  | (9,901 | )
Transfers |  |  | (1 | ) |  |  | (250 | ) |  |  | — |  |  |  | — |
Impairment |  |  | — |  |  |  | (1,912 | ) |  |  | — |  |  |  | — |
Ending balance |  |  | 14 |  |  |  | 17,891 |  |  |  | 24 |  |  | $ | 19,163 |
|  | Nine Months Ended |
(In thousands, except for number of vessels data) |  | Number of Vessels |  |  | September 30, 2021 |  |  | Number of Vessels |  |  | September 30, 2020 |
Beginning balance |  |  | 23 |  |  | $ | 34,396 |  |  |  | 46 |  |  | $ | 39,287 |
Additions |  |  | 2 |  |  |  | 4,089 |  |  |  | 22 |  |  |  | 65,812 |
Sales |  |  | (9 | ) |  |  | (15,432 | ) |  |  | (44 | ) |  |  | (20,247 | )
Transfers |  |  | (2 | ) |  |  | (3,250 | ) |  |  | — |  |  |  | — |
Impairment |  |  | — |  |  |  | (1,912 | ) |  |  | — |  |  |  | (65,689 | )
Ending balance |  |  | 14 |  |  | $ | 17,891 |  |  |  | 24 |  |  | $ | 19,163 |

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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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Namespace Prefix: | us-gaap_
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Balance Type: | na
Period Type: | duration

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- References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration