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Interest Expense (Tables) | 6 Months Ended
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Jun. 30, 2017
Interest and Debt Expense [Abstract] |
Schedule Of Interest Expense | The following tables present the components of interest expense:
| For the Three Months Ended June 30, |  | For the Six Months Ended June 30,
| 2016 |  | 2017 |  | 2016 |  | 2017
| (Dollars in thousands)
Interest incurred on debt | $ | 4,819 |  |  | $ | 6,217 |  |  | $ | 9,716 |  |  | $ | 12,086 |
Accretion of fair value adjustment on Senior Notes | 1,571 |  |  | 1,609 |  |  | 3,134 |  |  | 3,208 |
Amortization of debt issuance costs | 46 |  |  | 76 |  |  | 46 |  |  | 154 |
Total interest expense | $ | 6,436 |  |  | $ | 7,902 |  |  | $ | 12,896 |  |  | $ | 15,448 |

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