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v3.20.2

Summary of Impairments (Detail) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2020 USD ($) Vessel | Mar. 31, 2020 USD ($) Vessel | Jun. 30, 2020 USD ($) Vessel
Asset Impairment Charges [Abstract] |  |  |
Beginning balance | Vessel | 38 | 46 | 46
Additions | Vessel | 22 |  | 22
Sales | Vessel | (14) | (8) | (22)
Ending balance | Vessel | 46 | 38 | 46
Beginning balance | $ 26,142 | $ 39,287 | $ 39,287
Additions | 15,930 |  | 15,930
Sales | (7,407) | (2,938) | (10,345)
Additional impairment | (5,601) | (10,207) | (15,808)
Ending balance | $ 29,064 | $ 26,142 | $ 29,064

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- Definition Amount of assets held-for-sale that are not part of a disposal group, expected to be sold within a year or the normal operating cycle, if longer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 15 -Paragraph 4 -Subparagraph (b)(2) -URI http://asc.fasb.org/extlink&oid=77912953&loc=d3e400-110220 + Details
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