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Debt (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2014
Debt Disclosure [Abstract] |
Schedule of interest costs incurred, capitalized, and expensed | The Company incurs interest costs, which include interest, maintenance fees and bank charges. The amount of costs incurred, capitalized, and expensed for the years ended December 31, 2014, 2013 and 2012, consisted of the following: (in thousands)
| Years Ended December 31,
| 2014 |  | 2013 |  | 2012
Interest costs incurred | $ | 953 |  |  | $ | 1,019 |  |  | $ | 909 |
Less: Interest capitalized | (98 | ) |  | (118 | ) |  | (116 | )
Interest expense | $ | 855 |  |  | $ | 901 |  |  | $ | 793 |

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