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v3.20.1

Significant Accounting Policies and Recent Accounting Pronouncements (Details) $ / shares in Units, $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2019 USD ($) | Dec. 31, 2019 USD ($) $ / shares shares | Dec. 31, 2018 USD ($) shares | Dec. 31, 2017 USD ($) shares
Provision for doubtful accounts | $ 0 | $ 0 | $ 0 |
Vessels dry-dock or special survey period within the first 15 years of useful life |  | 5 years |  |
Vessels dry-dock or special survey period within the remaining useful life |  | 2 years 6 months |  |
Depreciation method |  | straight-line |  |
Scrap value per light weight ton | $ 500 |  | $ 685 |
Change in accounting estimate, effect on net income |  | $ 300 |  |
Change in accounting estimate, effect on loss per share | $ / shares |  | $ 0.01 |  |
Vessels useful life |  | 35 years |  |
Number of Reportable Segments |  | 1 |  |
Amortization of contract fulfillment costs |  | $ 200 |  |
Dilutive securities outstanding | shares |  | 0 | 0 | 0
Impairment charges |  | $ 0 | $ 0 | $ 0
Future Increase After 2019 |  |  |  |
Increase in depreciation |  | $ 1,400 |  |

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